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annotate src/gl2ps.c @ 9798:2d6a5af744b6

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printing for fltk backend using gl2ps
author Shai Ayal <shaiay@users.sourceforge.net>
date Tue, 10 Nov 2009 19:48:02 -0500
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children 7dedfd70dd9f
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9798
2d6a5af744b6 printing for fltk backend using gl2ps
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1 /*
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2 * GL2PS, an OpenGL to PostScript Printing Library
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3 * Copyright (C) 1999-2009 C. Geuzaine
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4 *
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of either:
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7 *
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8 * a) the GNU Library General Public License as published by the Free
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9 * Software Foundation, either version 2 of the License, or (at your
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10 * option) any later version; or
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11 *
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12 * b) the GL2PS License as published by Christophe Geuzaine, either
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13 * version 2 of the License, or (at your option) any later version.
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14 *
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15 * This program is distributed in the hope that it will be useful, but
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16 * WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See either
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18 * the GNU Library General Public License or the GL2PS License for
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19 * more details.
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20 *
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21 * You should have received a copy of the GNU Library General Public
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22 * License along with this library in the file named "COPYING.LGPL";
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23 * if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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24 * Cambridge, MA 02139, USA.
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25 *
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26 * You should have received a copy of the GL2PS License with this
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27 * library in the file named "COPYING.GL2PS"; if not, I will be glad
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28 * to provide one.
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29 *
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30 * For the latest info about gl2ps and a full list of contributors,
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31 * see http://www.geuz.org/gl2ps/.
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32 *
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33 * Please report all bugs and problems to <gl2ps@geuz.org>.
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34 */
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35
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36 #include "gl2ps.h"
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37
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38 #include <math.h>
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39 #include <string.h>
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40 #include <sys/types.h>
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41 #include <stdarg.h>
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42 #include <time.h>
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43 #include <float.h>
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44
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45 #if defined(GL2PS_HAVE_ZLIB)
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46 #include <zlib.h>
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47 #endif
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48
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49 #if defined(GL2PS_HAVE_LIBPNG)
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50 #include <png.h>
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51 #endif
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52
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53 /*********************************************************************
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54 *
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55 * Private definitions, data structures and prototypes
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56 *
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57 *********************************************************************/
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58
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59 /* Magic numbers (assuming that the order of magnitude of window
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60 coordinates is 10^3) */
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61
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62 #define GL2PS_EPSILON 5.0e-3F
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63 #define GL2PS_ZSCALE 1000.0F
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64 #define GL2PS_ZOFFSET 5.0e-2F
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65 #define GL2PS_ZOFFSET_LARGE 20.0F
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66 #define GL2PS_ZERO(arg) (fabs(arg) < 1.e-20)
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67
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68 /* Primitive types */
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69
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70 #define GL2PS_NO_TYPE -1
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71 #define GL2PS_TEXT 1
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72 #define GL2PS_POINT 2
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73 #define GL2PS_LINE 3
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74 #define GL2PS_QUADRANGLE 4
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75 #define GL2PS_TRIANGLE 5
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76 #define GL2PS_PIXMAP 6
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77 #define GL2PS_IMAGEMAP 7
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78 #define GL2PS_IMAGEMAP_WRITTEN 8
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79 #define GL2PS_IMAGEMAP_VISIBLE 9
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80 #define GL2PS_SPECIAL 10
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81
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82 /* BSP tree primitive comparison */
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83
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84 #define GL2PS_COINCIDENT 1
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85 #define GL2PS_IN_FRONT_OF 2
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86 #define GL2PS_IN_BACK_OF 3
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87 #define GL2PS_SPANNING 4
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88
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89 /* 2D BSP tree primitive comparison */
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90
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91 #define GL2PS_POINT_COINCIDENT 0
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92 #define GL2PS_POINT_INFRONT 1
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93 #define GL2PS_POINT_BACK 2
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94
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95 /* Internal feedback buffer pass-through tokens */
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96
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97 #define GL2PS_BEGIN_OFFSET_TOKEN 1
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98 #define GL2PS_END_OFFSET_TOKEN 2
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99 #define GL2PS_BEGIN_BOUNDARY_TOKEN 3
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100 #define GL2PS_END_BOUNDARY_TOKEN 4
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101 #define GL2PS_BEGIN_STIPPLE_TOKEN 5
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102 #define GL2PS_END_STIPPLE_TOKEN 6
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103 #define GL2PS_POINT_SIZE_TOKEN 7
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104 #define GL2PS_LINE_WIDTH_TOKEN 8
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105 #define GL2PS_BEGIN_BLEND_TOKEN 9
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106 #define GL2PS_END_BLEND_TOKEN 10
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107 #define GL2PS_SRC_BLEND_TOKEN 11
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108 #define GL2PS_DST_BLEND_TOKEN 12
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109 #define GL2PS_IMAGEMAP_TOKEN 13
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110 #define GL2PS_DRAW_PIXELS_TOKEN 14
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111 #define GL2PS_TEXT_TOKEN 15
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112
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113 typedef enum {
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114 T_UNDEFINED = -1,
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115 T_CONST_COLOR = 1,
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116 T_VAR_COLOR = 1<<1,
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117 T_ALPHA_1 = 1<<2,
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118 T_ALPHA_LESS_1 = 1<<3,
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119 T_VAR_ALPHA = 1<<4
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120 } GL2PS_TRIANGLE_PROPERTY;
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121
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122 typedef GLfloat GL2PSxyz[3];
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123 typedef GLfloat GL2PSplane[4];
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124
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125 typedef struct _GL2PSbsptree2d GL2PSbsptree2d;
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126
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127 struct _GL2PSbsptree2d {
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128 GL2PSplane plane;
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129 GL2PSbsptree2d *front, *back;
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130 };
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131
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132 typedef struct {
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133 GLint nmax, size, incr, n;
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134 char *array;
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135 } GL2PSlist;
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136
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137 typedef struct _GL2PSbsptree GL2PSbsptree;
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138
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139 struct _GL2PSbsptree {
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140 GL2PSplane plane;
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141 GL2PSlist *primitives;
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142 GL2PSbsptree *front, *back;
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143 };
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144
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145 typedef struct {
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146 GL2PSxyz xyz;
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147 GL2PSrgba rgba;
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148 } GL2PSvertex;
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149
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150 typedef struct {
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151 GL2PSvertex vertex[3];
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152 int prop;
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153 } GL2PStriangle;
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154
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155 typedef struct {
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156 GLshort fontsize;
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157 char *str, *fontname;
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158 /* Note: for a 'special' string, 'alignment' holds the format
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159 (PostScript, PDF, etc.) of the special string */
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160 GLint alignment;
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161 GLfloat angle;
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162 } GL2PSstring;
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163
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164 typedef struct {
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165 GLsizei width, height;
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166 /* Note: for an imagemap, 'type' indicates if it has already been
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167 written to the file or not, and 'format' indicates if it is
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168 visible or not */
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169 GLenum format, type;
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170 GLfloat *pixels;
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171 } GL2PSimage;
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172
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173 typedef struct _GL2PSimagemap GL2PSimagemap;
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174
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175 struct _GL2PSimagemap {
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176 GL2PSimage *image;
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177 GL2PSimagemap *next;
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178 };
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179
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180 typedef struct {
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181 GLshort type, numverts;
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182 GLushort pattern;
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183 char boundary, offset, culled;
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184 GLint factor;
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185 GLfloat width;
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186 GL2PSvertex *verts;
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187 union {
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188 GL2PSstring *text;
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189 GL2PSimage *image;
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190 } data;
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191 } GL2PSprimitive;
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192
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193 typedef struct {
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194 #if defined(GL2PS_HAVE_ZLIB)
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195 Bytef *dest, *src, *start;
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196 uLongf destLen, srcLen;
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197 #else
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198 int dummy;
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199 #endif
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200 } GL2PScompress;
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201
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202 typedef struct{
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203 GL2PSlist* ptrlist;
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204 int gsno, fontno, imno, shno, maskshno, trgroupno;
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205 int gsobjno, fontobjno, imobjno, shobjno, maskshobjno, trgroupobjno;
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206 } GL2PSpdfgroup;
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207
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208 typedef struct {
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209 /* General */
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210 GLint format, sort, options, colorsize, colormode, buffersize;
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211 char *title, *producer, *filename;
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212 GLboolean boundary, blending;
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213 GLfloat *feedback, offset[2], lastlinewidth;
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214 GLint viewport[4], blendfunc[2], lastfactor;
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215 GL2PSrgba *colormap, lastrgba, threshold, bgcolor;
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216 GLushort lastpattern;
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217 GL2PSvertex lastvertex;
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218 GL2PSlist *primitives, *auxprimitives;
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219 FILE *stream;
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220 GL2PScompress *compress;
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221 GLboolean header;
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222
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223 /* BSP-specific */
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224 GLint maxbestroot;
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225
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226 /* Occlusion culling-specific */
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227 GLboolean zerosurfacearea;
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228 GL2PSbsptree2d *imagetree;
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229 GL2PSprimitive *primitivetoadd;
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230
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231 /* PDF-specific */
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232 int streamlength;
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233 GL2PSlist *pdfprimlist, *pdfgrouplist;
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234 int *xreflist;
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235 int objects_stack; /* available objects */
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236 int extgs_stack; /* graphics state object number */
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237 int font_stack; /* font object number */
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238 int im_stack; /* image object number */
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239 int trgroupobjects_stack; /* xobject numbers */
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240 int shader_stack; /* shader object numbers */
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241 int mshader_stack; /* mask shader object numbers */
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242
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243 /* for image map list */
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244 GL2PSimagemap *imagemap_head;
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245 GL2PSimagemap *imagemap_tail;
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246 } GL2PScontext;
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247
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248 typedef struct {
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249 void (*printHeader)(void);
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250 void (*printFooter)(void);
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251 void (*beginViewport)(GLint viewport[4]);
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252 GLint (*endViewport)(void);
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253 void (*printPrimitive)(void *data);
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254 void (*printFinalPrimitive)(void);
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255 const char *file_extension;
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256 const char *description;
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257 } GL2PSbackend;
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258
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259 /* The gl2ps context. gl2ps is not thread safe (we should create a
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260 local GL2PScontext during gl2psBeginPage) */
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261
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262 static GL2PScontext *gl2ps = NULL;
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263
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264 /* Need to forward-declare this one */
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265
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266 static GLint gl2psPrintPrimitives(void);
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267
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268 /*********************************************************************
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269 *
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270 * Utility routines
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271 *
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272 *********************************************************************/
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273
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274 static void gl2psMsg(GLint level, const char *fmt, ...)
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275 {
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276 va_list args;
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277
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278 if(!(gl2ps->options & GL2PS_SILENT)){
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279 switch(level){
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280 case GL2PS_INFO : fprintf(stderr, "GL2PS info: "); break;
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diff changeset
281 case GL2PS_WARNING : fprintf(stderr, "GL2PS warning: "); break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
282 case GL2PS_ERROR : fprintf(stderr, "GL2PS error: "); break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
283 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
284 va_start(args, fmt);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
285 vfprintf(stderr, fmt, args);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
286 va_end(args);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
287 fprintf(stderr, "\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
288 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
289 /* if(level == GL2PS_ERROR) exit(1); */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
290 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
291
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
292 static void *gl2psMalloc(size_t size)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
293 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
294 void *ptr;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
295
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
296 if(!size) return(NULL);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
297 ptr = malloc(size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
298 if(!ptr){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
299 gl2psMsg(GL2PS_ERROR, "Couldn't allocate requested memory");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
300 exit(1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
301 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
302 return(ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
303 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
304
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
305 static void *gl2psRealloc(void *ptr, size_t size)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
306 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
307 if(!size) return(NULL);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
308 ptr = realloc(ptr, size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
309 if(!ptr){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
310 gl2psMsg(GL2PS_ERROR, "Couldn't reallocate requested memory");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
311 exit(1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
312 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
313 return(ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
314 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
315
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
316 static void gl2psFree(void *ptr)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
317 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
318 if(!ptr) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
319 free(ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
320 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
321
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
322 static size_t gl2psWriteBigEndian(unsigned long data, size_t bytes)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
323 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
324 size_t i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
325 size_t size = sizeof(unsigned long);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
326 for(i = 1; i <= bytes; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
327 fputc(0xff & (data >> (size-i) * 8), gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
328 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
329 return bytes;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
330 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
331
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
332 /* zlib compression helper routines */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
333
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
334 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
335
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
336 static void gl2psSetupCompress(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
337 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
338 gl2ps->compress = (GL2PScompress*)gl2psMalloc(sizeof(GL2PScompress));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
339 gl2ps->compress->src = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
340 gl2ps->compress->start = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
341 gl2ps->compress->dest = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
342 gl2ps->compress->srcLen = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
343 gl2ps->compress->destLen = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
344 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
345
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
346 static void gl2psFreeCompress(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
347 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
348 if(!gl2ps->compress)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
349 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
350 gl2psFree(gl2ps->compress->start);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
351 gl2psFree(gl2ps->compress->dest);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
352 gl2ps->compress->src = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
353 gl2ps->compress->start = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
354 gl2ps->compress->dest = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
355 gl2ps->compress->srcLen = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
356 gl2ps->compress->destLen = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
357 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
358
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
359 static int gl2psAllocCompress(unsigned int srcsize)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
360 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
361 gl2psFreeCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
362
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
363 if(!gl2ps->compress || !srcsize)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
364 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
365
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
366 gl2ps->compress->srcLen = srcsize;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
367 gl2ps->compress->destLen = (int)ceil(1.001 * gl2ps->compress->srcLen + 12);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
368 gl2ps->compress->src = (Bytef*)gl2psMalloc(gl2ps->compress->srcLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
369 gl2ps->compress->start = gl2ps->compress->src;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
370 gl2ps->compress->dest = (Bytef*)gl2psMalloc(gl2ps->compress->destLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
371
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
372 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
373 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
374
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
375 static void *gl2psReallocCompress(unsigned int srcsize)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
376 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
377 if(!gl2ps->compress || !srcsize)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
378 return NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
379
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
380 if(srcsize < gl2ps->compress->srcLen)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
381 return gl2ps->compress->start;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
382
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
383 gl2ps->compress->srcLen = srcsize;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
384 gl2ps->compress->destLen = (int)ceil(1.001 * gl2ps->compress->srcLen + 12);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
385 gl2ps->compress->src = (Bytef*)gl2psRealloc(gl2ps->compress->src,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
386 gl2ps->compress->srcLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
387 gl2ps->compress->start = gl2ps->compress->src;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
388 gl2ps->compress->dest = (Bytef*)gl2psRealloc(gl2ps->compress->dest,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
389 gl2ps->compress->destLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
390
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
391 return gl2ps->compress->start;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
392 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
393
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
394 static size_t gl2psWriteBigEndianCompress(unsigned long data, size_t bytes)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
395 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
396 size_t i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
397 size_t size = sizeof(unsigned long);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
398 for(i = 1; i <= bytes; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
399 *gl2ps->compress->src = (Bytef)(0xff & (data >> (size-i) * 8));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
400 ++gl2ps->compress->src;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
401 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
402 return bytes;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
403 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
404
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
405 static int gl2psDeflate(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
406 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
407 /* For compatibility with older zlib versions, we use compress(...)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
408 instead of compress2(..., Z_BEST_COMPRESSION) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
409 return compress(gl2ps->compress->dest, &gl2ps->compress->destLen,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
410 gl2ps->compress->start, gl2ps->compress->srcLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
411 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
412
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
413 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
414
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
415 static int gl2psPrintf(const char* fmt, ...)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
416 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
417 int ret;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
418 va_list args;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
419
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
420 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
421 unsigned int oldsize = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
422 static char buf[1000];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
423 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
424 va_start(args, fmt);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
425 ret = vsprintf(buf, fmt, args);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
426 va_end(args);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
427 oldsize = gl2ps->compress->srcLen;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
428 gl2ps->compress->start = (Bytef*)gl2psReallocCompress(oldsize + ret);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
429 memcpy(gl2ps->compress->start+oldsize, buf, ret);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
430 ret = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
431 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
432 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
433 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
434 va_start(args, fmt);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
435 ret = vfprintf(gl2ps->stream, fmt, args);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
436 va_end(args);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
437 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
438 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
439 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
440 return ret;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
441 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
442
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
443 static void gl2psPrintGzipHeader()
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
444 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
445 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
446 char tmp[10] = {'\x1f', '\x8b', /* magic numbers: 0x1f, 0x8b */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
447 8, /* compression method: Z_DEFLATED */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
448 0, /* flags */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
449 0, 0, 0, 0, /* time */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
450 2, /* extra flags: max compression */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
451 '\x03'}; /* OS code: 0x03 (Unix) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
452
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
453 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
454 gl2psSetupCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
455 /* add the gzip file header */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
456 fwrite(tmp, 10, 1, gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
457 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
458 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
459 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
460
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
461 static void gl2psPrintGzipFooter()
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
462 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
463 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
464 int n;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
465 uLong crc, len;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
466 char tmp[8];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
467
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
468 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
469 if(Z_OK != gl2psDeflate()){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
470 gl2psMsg(GL2PS_ERROR, "Zlib deflate error");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
471 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
472 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
473 /* determine the length of the header in the zlib stream */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
474 n = 2; /* CMF+FLG */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
475 if(gl2ps->compress->dest[1] & (1<<5)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
476 n += 4; /* DICTID */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
477 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
478 /* write the data, without the zlib header and footer */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
479 fwrite(gl2ps->compress->dest+n, gl2ps->compress->destLen-(n+4),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
480 1, gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
481 /* add the gzip file footer */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
482 crc = crc32(0L, gl2ps->compress->start, gl2ps->compress->srcLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
483 for(n = 0; n < 4; ++n){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
484 tmp[n] = (char)(crc & 0xff);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
485 crc >>= 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
486 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
487 len = gl2ps->compress->srcLen;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
488 for(n = 4; n < 8; ++n){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
489 tmp[n] = (char)(len & 0xff);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
490 len >>= 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
491 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
492 fwrite(tmp, 8, 1, gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
493 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
494 gl2psFreeCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
495 gl2psFree(gl2ps->compress);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
496 gl2ps->compress = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
497 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
498 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
499 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
500
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
501 /* The list handling routines */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
502
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
503 static void gl2psListRealloc(GL2PSlist *list, GLint n)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
504 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
505 if(!list){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
506 gl2psMsg(GL2PS_ERROR, "Cannot reallocate NULL list");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
507 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
508 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
509 if(n <= 0) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
510 if(!list->array){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
511 list->nmax = n;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
512 list->array = (char*)gl2psMalloc(list->nmax * list->size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
513 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
514 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
515 if(n > list->nmax){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
516 list->nmax = ((n - 1) / list->incr + 1) * list->incr;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
517 list->array = (char*)gl2psRealloc(list->array,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
518 list->nmax * list->size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
519 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
520 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
521 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
522
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
523 static GL2PSlist *gl2psListCreate(GLint n, GLint incr, GLint size)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
524 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
525 GL2PSlist *list;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
526
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
527 if(n < 0) n = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
528 if(incr <= 0) incr = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
529 list = (GL2PSlist*)gl2psMalloc(sizeof(GL2PSlist));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
530 list->nmax = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
531 list->incr = incr;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
532 list->size = size;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
533 list->n = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
534 list->array = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
535 gl2psListRealloc(list, n);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
536 return(list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
537 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
538
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
539 static void gl2psListReset(GL2PSlist *list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
540 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
541 if(!list) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
542 list->n = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
543 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
544
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
545 static void gl2psListDelete(GL2PSlist *list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
546 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
547 if(!list) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
548 gl2psFree(list->array);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
549 gl2psFree(list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
550 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
551
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
552 static void gl2psListAdd(GL2PSlist *list, void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
553 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
554 if(!list){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
555 gl2psMsg(GL2PS_ERROR, "Cannot add into unallocated list");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
556 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
557 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
558 list->n++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
559 gl2psListRealloc(list, list->n);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
560 memcpy(&list->array[(list->n - 1) * list->size], data, list->size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
561 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
562
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
563 static int gl2psListNbr(GL2PSlist *list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
564 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
565 if(!list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
566 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
567 return(list->n);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
568 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
569
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
570 static void *gl2psListPointer(GL2PSlist *list, GLint index)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
571 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
572 if(!list){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
573 gl2psMsg(GL2PS_ERROR, "Cannot point into unallocated list");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
574 return NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
575 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
576 if((index < 0) || (index >= list->n)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
577 gl2psMsg(GL2PS_ERROR, "Wrong list index in gl2psListPointer");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
578 return NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
579 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
580 return(&list->array[index * list->size]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
581 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
582
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
583 static void gl2psListSort(GL2PSlist *list,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
584 int (*fcmp)(const void *a, const void *b))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
585 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
586 if(!list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
587 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
588 qsort(list->array, list->n, list->size, fcmp);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
589 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
590
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
591 static void gl2psListAction(GL2PSlist *list, void (*action)(void *data))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
592 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
593 GLint i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
594
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
595 for(i = 0; i < gl2psListNbr(list); i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
596 (*action)(gl2psListPointer(list, i));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
597 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
598 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
599
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
600 static void gl2psListActionInverse(GL2PSlist *list, void (*action)(void *data))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
601 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
602 GLint i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
603
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
604 for(i = gl2psListNbr(list); i > 0; i--){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
605 (*action)(gl2psListPointer(list, i-1));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
606 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
607 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
608
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
609 #if defined(GL2PS_HAVE_LIBPNG)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
610
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
611 static void gl2psListRead(GL2PSlist *list, int index, void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
612 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
613 if((index < 0) || (index >= list->n))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
614 gl2psMsg(GL2PS_ERROR, "Wrong list index in gl2psListRead");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
615 memcpy(data, &list->array[index * list->size], list->size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
616 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
617
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
618 static void gl2psEncodeBase64Block(unsigned char in[3], unsigned char out[4], int len)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
619 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
620 static const char cb64[] =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
621 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
622
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
623 out[0] = cb64[ in[0] >> 2 ];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
624 out[1] = cb64[ ((in[0] & 0x03) << 4) | ((in[1] & 0xf0) >> 4) ];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
625 out[2] = (len > 1) ? cb64[ ((in[1] & 0x0f) << 2) | ((in[2] & 0xc0) >> 6) ] : '=';
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
626 out[3] = (len > 2) ? cb64[ in[2] & 0x3f ] : '=';
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
627 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
628
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
629 static void gl2psListEncodeBase64(GL2PSlist *list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
630 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
631 unsigned char *buffer, in[3], out[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
632 int i, n, index, len;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
633
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
634 n = list->n * list->size;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
635 buffer = (unsigned char*)gl2psMalloc(n * sizeof(unsigned char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
636 memcpy(buffer, list->array, n * sizeof(unsigned char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
637 gl2psListReset(list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
638
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
639 index = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
640 while(index < n) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
641 len = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
642 for(i = 0; i < 3; i++) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
643 if(index < n){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
644 in[i] = buffer[index];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
645 len++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
646 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
647 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
648 in[i] = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
649 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
650 index++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
651 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
652 if(len) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
653 gl2psEncodeBase64Block(in, out, len);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
654 for(i = 0; i < 4; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
655 gl2psListAdd(list, &out[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
656 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
657 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
658 gl2psFree(buffer);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
659 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
660
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
661 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
662
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
663 /* Helpers for rgba colors */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
664
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
665 static GLboolean gl2psSameColor(GL2PSrgba rgba1, GL2PSrgba rgba2)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
666 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
667 if(!GL2PS_ZERO(rgba1[0] - rgba2[0]) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
668 !GL2PS_ZERO(rgba1[1] - rgba2[1]) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
669 !GL2PS_ZERO(rgba1[2] - rgba2[2]))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
670 return GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
671 return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
672 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
673
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
674 static GLboolean gl2psVertsSameColor(const GL2PSprimitive *prim)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
675 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
676 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
677
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
678 for(i = 1; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
679 if(!gl2psSameColor(prim->verts[0].rgba, prim->verts[i].rgba)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
680 return GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
681 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
682 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
683 return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
684 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
685
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
686 static GLboolean gl2psSameColorThreshold(int n, GL2PSrgba rgba[],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
687 GL2PSrgba threshold)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
688 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
689 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
690
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
691 if(n < 2) return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
692
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
693 for(i = 1; i < n; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
694 if(fabs(rgba[0][0] - rgba[i][0]) > threshold[0] ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
695 fabs(rgba[0][1] - rgba[i][1]) > threshold[1] ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
696 fabs(rgba[0][2] - rgba[i][2]) > threshold[2])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
697 return GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
698 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
699
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
700 return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
701 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
702
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
703 static void gl2psSetLastColor(GL2PSrgba rgba)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
704 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
705 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
706 for(i = 0; i < 3; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
707 gl2ps->lastrgba[i] = rgba[i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
708 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
709 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
710
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
711 static GLfloat gl2psGetRGB(GL2PSimage *im, GLuint x, GLuint y,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
712 GLfloat *red, GLfloat *green, GLfloat *blue)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
713 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
714
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
715 GLsizei width = im->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
716 GLsizei height = im->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
717 GLfloat *pixels = im->pixels;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
718 GLfloat *pimag;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
719
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
720 /* OpenGL image is from down to up, PS image is up to down */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
721 switch(im->format){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
722 case GL_RGBA:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
723 pimag = pixels + 4 * (width * (height - 1 - y) + x);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
724 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
725 case GL_RGB:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
726 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
727 pimag = pixels + 3 * (width * (height - 1 - y) + x);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
728 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
729 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
730 *red = *pimag; pimag++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
731 *green = *pimag; pimag++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
732 *blue = *pimag; pimag++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
733
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
734 return (im->format == GL_RGBA) ? *pimag : 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
735 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
736
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
737 /* Helper routines for pixmaps */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
738
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
739 static GL2PSimage *gl2psCopyPixmap(GL2PSimage *im)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
740 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
741 int size;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
742 GL2PSimage *image = (GL2PSimage*)gl2psMalloc(sizeof(GL2PSimage));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
743
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
744 image->width = im->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
745 image->height = im->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
746 image->format = im->format;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
747 image->type = im->type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
748
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
749 switch(image->format){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
750 case GL_RGBA:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
751 size = image->height * image->width * 4 * sizeof(GLfloat);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
752 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
753 case GL_RGB:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
754 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
755 size = image->height * image->width * 3 * sizeof(GLfloat);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
756 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
757 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
758
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
759 image->pixels = (GLfloat*)gl2psMalloc(size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
760 memcpy(image->pixels, im->pixels, size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
761
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
762 return image;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
763 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
764
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
765 static void gl2psFreePixmap(GL2PSimage *im)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
766 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
767 if(!im)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
768 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
769 gl2psFree(im->pixels);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
770 gl2psFree(im);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
771 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
772
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
773 #if defined(GL2PS_HAVE_LIBPNG)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
774
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
775 #if !defined(png_jmpbuf)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
776 # define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
777 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
778
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
779 static void gl2psUserWritePNG(png_structp png_ptr, png_bytep data, png_size_t length)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
780 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
781 unsigned int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
782 GL2PSlist *png = (GL2PSlist*)png_get_io_ptr(png_ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
783 for(i = 0; i < length; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
784 gl2psListAdd(png, &data[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
785 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
786
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
787 static void gl2psUserFlushPNG(png_structp png_ptr)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
788 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
789 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
790
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
791 static void gl2psConvertPixmapToPNG(GL2PSimage *pixmap, GL2PSlist *png)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
792 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
793 png_structp png_ptr;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
794 png_infop info_ptr;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
795 unsigned char *row_data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
796 GLfloat dr, dg, db;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
797 int row, col;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
798
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
799 if(!(png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL)))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
800 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
801
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
802 if(!(info_ptr = png_create_info_struct(png_ptr))){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
803 png_destroy_write_struct(&png_ptr, NULL);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
804 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
805 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
806
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
807 if(setjmp(png_jmpbuf(png_ptr))) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
808 png_destroy_write_struct(&png_ptr, &info_ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
809 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
810 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
811
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
812 png_set_write_fn(png_ptr, (void *)png, gl2psUserWritePNG, gl2psUserFlushPNG);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
813 png_set_compression_level(png_ptr, Z_DEFAULT_COMPRESSION);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
814 png_set_IHDR(png_ptr, info_ptr, pixmap->width, pixmap->height, 8,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
815 PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
816 PNG_FILTER_TYPE_BASE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
817 png_write_info(png_ptr, info_ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
818
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
819 row_data = (unsigned char*)gl2psMalloc(3 * pixmap->width * sizeof(unsigned char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
820 for(row = 0; row < pixmap->height; row++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
821 for(col = 0; col < pixmap->width; col++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
822 gl2psGetRGB(pixmap, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
823 row_data[3*col] = (unsigned char)(255. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
824 row_data[3*col+1] = (unsigned char)(255. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
825 row_data[3*col+2] = (unsigned char)(255. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
826 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
827 png_write_row(png_ptr, (png_bytep)row_data);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
828 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
829 gl2psFree(row_data);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
830
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
831 png_write_end(png_ptr, info_ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
832 png_destroy_write_struct(&png_ptr, &info_ptr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
833 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
834
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
835 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
836
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
837 /* Helper routines for text strings */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
838
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
839 static GLint gl2psAddText(GLint type, const char *str, const char *fontname,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
840 GLshort fontsize, GLint alignment, GLfloat angle)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
841 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
842 GLfloat pos[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
843 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
844 GLboolean valid;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
845
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
846 if(!gl2ps || !str || !fontname) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
847
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
848 if(gl2ps->options & GL2PS_NO_TEXT) return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
849
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
850 glGetBooleanv(GL_CURRENT_RASTER_POSITION_VALID, &valid);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
851 if(GL_FALSE == valid) return GL2PS_SUCCESS; /* the primitive is culled */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
852
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
853 glGetFloatv(GL_CURRENT_RASTER_POSITION, pos);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
854
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
855 prim = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
856 prim->type = type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
857 prim->boundary = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
858 prim->numverts = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
859 prim->verts = (GL2PSvertex*)gl2psMalloc(sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
860 prim->verts[0].xyz[0] = pos[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
861 prim->verts[0].xyz[1] = pos[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
862 prim->verts[0].xyz[2] = pos[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
863 prim->culled = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
864 prim->offset = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
865 prim->pattern = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
866 prim->factor = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
867 prim->width = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
868 glGetFloatv(GL_CURRENT_RASTER_COLOR, prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
869 prim->data.text = (GL2PSstring*)gl2psMalloc(sizeof(GL2PSstring));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
870 prim->data.text->str = (char*)gl2psMalloc((strlen(str)+1)*sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
871 strcpy(prim->data.text->str, str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
872 prim->data.text->fontname = (char*)gl2psMalloc((strlen(fontname)+1)*sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
873 strcpy(prim->data.text->fontname, fontname);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
874 prim->data.text->fontsize = fontsize;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
875 prim->data.text->alignment = alignment;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
876 prim->data.text->angle = angle;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
877
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
878 gl2psListAdd(gl2ps->auxprimitives, &prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
879 glPassThrough(GL2PS_TEXT_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
880
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
881 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
882 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
883
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
884 static GL2PSstring *gl2psCopyText(GL2PSstring *t)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
885 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
886 GL2PSstring *text = (GL2PSstring*)gl2psMalloc(sizeof(GL2PSstring));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
887 text->str = (char*)gl2psMalloc((strlen(t->str)+1)*sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
888 strcpy(text->str, t->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
889 text->fontname = (char*)gl2psMalloc((strlen(t->fontname)+1)*sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
890 strcpy(text->fontname, t->fontname);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
891 text->fontsize = t->fontsize;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
892 text->alignment = t->alignment;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
893 text->angle = t->angle;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
894
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
895 return text;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
896 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
897
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
898 static void gl2psFreeText(GL2PSstring *text)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
899 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
900 if(!text)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
901 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
902 gl2psFree(text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
903 gl2psFree(text->fontname);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
904 gl2psFree(text);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
905 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
906
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
907 /* Helpers for blending modes */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
908
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
909 static GLboolean gl2psSupportedBlendMode(GLenum sfactor, GLenum dfactor)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
910 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
911 /* returns TRUE if gl2ps supports the argument combination: only two
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
912 blending modes have been implemented so far */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
913
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
914 if( (sfactor == GL_SRC_ALPHA && dfactor == GL_ONE_MINUS_SRC_ALPHA) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
915 (sfactor == GL_ONE && dfactor == GL_ZERO) )
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
916 return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
917 return GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
918 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
919
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
920 static void gl2psAdaptVertexForBlending(GL2PSvertex *v)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
921 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
922 /* Transforms vertex depending on the actual blending function -
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
923 currently the vertex v is considered as source vertex and his
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
924 alpha value is changed to 1.0 if source blending GL_ONE is
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
925 active. This might be extended in the future */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
926
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
927 if(!v || !gl2ps)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
928 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
929
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
930 if(gl2ps->options & GL2PS_NO_BLENDING || !gl2ps->blending){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
931 v->rgba[3] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
932 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
933 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
934
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
935 switch(gl2ps->blendfunc[0]){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
936 case GL_ONE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
937 v->rgba[3] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
938 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
939 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
940 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
941 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
942 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
943
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
944 static void gl2psAssignTriangleProperties(GL2PStriangle *t)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
945 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
946 /* int i; */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
947
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
948 t->prop = T_VAR_COLOR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
949
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
950 /* Uncommenting the following lines activates an even more fine
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
951 grained distinction between triangle types - please don't delete,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
952 a remarkable amount of PDF handling code inside this file depends
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
953 on it if activated */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
954 /*
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
955 t->prop = T_CONST_COLOR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
956 for(i = 0; i < 3; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
957 if(!GL2PS_ZERO(t->vertex[0].rgba[i] - t->vertex[1].rgba[i]) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
958 !GL2PS_ZERO(t->vertex[1].rgba[i] - t->vertex[2].rgba[i])){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
959 t->prop = T_VAR_COLOR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
960 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
961 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
962 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
963 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
964
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
965 if(!GL2PS_ZERO(t->vertex[0].rgba[3] - t->vertex[1].rgba[3]) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
966 !GL2PS_ZERO(t->vertex[1].rgba[3] - t->vertex[2].rgba[3])){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
967 t->prop |= T_VAR_ALPHA;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
968 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
969 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
970 if(t->vertex[0].rgba[3] < 1)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
971 t->prop |= T_ALPHA_LESS_1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
972 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
973 t->prop |= T_ALPHA_1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
974 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
975 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
976
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
977 static void gl2psFillTriangleFromPrimitive(GL2PStriangle *t, GL2PSprimitive *p,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
978 GLboolean assignprops)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
979 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
980 t->vertex[0] = p->verts[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
981 t->vertex[1] = p->verts[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
982 t->vertex[2] = p->verts[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
983 if(GL_TRUE == assignprops)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
984 gl2psAssignTriangleProperties(t);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
985 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
986
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
987 static void gl2psInitTriangle(GL2PStriangle *t)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
988 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
989 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
990 GL2PSvertex vertex = { {-1.0F, -1.0F, -1.0F}, {-1.0F, -1.0F, -1.0F, -1.0F} };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
991 for(i = 0; i < 3; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
992 t->vertex[i] = vertex;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
993 t->prop = T_UNDEFINED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
994 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
995
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
996 /* Miscellaneous helper routines */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
997
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
998 static GL2PSprimitive *gl2psCopyPrimitive(GL2PSprimitive *p)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
999 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1000 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1001
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1002 if(!p){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1003 gl2psMsg(GL2PS_ERROR, "Trying to copy an empty primitive");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1004 return NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1005 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1006
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1007 prim = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1008
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1009 prim->type = p->type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1010 prim->numverts = p->numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1011 prim->boundary = p->boundary;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1012 prim->offset = p->offset;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1013 prim->pattern = p->pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1014 prim->factor = p->factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1015 prim->culled = p->culled;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1016 prim->width = p->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1017 prim->verts = (GL2PSvertex*)gl2psMalloc(p->numverts*sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1018 memcpy(prim->verts, p->verts, p->numverts * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1019
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1020 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1021 case GL2PS_PIXMAP :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1022 prim->data.image = gl2psCopyPixmap(p->data.image);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1023 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1024 case GL2PS_TEXT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1025 case GL2PS_SPECIAL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1026 prim->data.text = gl2psCopyText(p->data.text);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1027 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1028 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1029 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1030 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1031
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1032 return prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1033 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1034
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1035 static GLboolean gl2psSamePosition(GL2PSxyz p1, GL2PSxyz p2)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1036 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1037 if(!GL2PS_ZERO(p1[0] - p2[0]) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1038 !GL2PS_ZERO(p1[1] - p2[1]) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1039 !GL2PS_ZERO(p1[2] - p2[2]))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1040 return GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1041 return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1042 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1043
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1044 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1045 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1046 * 3D sorting routines
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1047 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1048 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1049
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1050 static GLfloat gl2psComparePointPlane(GL2PSxyz point, GL2PSplane plane)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1051 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1052 return(plane[0] * point[0] +
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1053 plane[1] * point[1] +
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1054 plane[2] * point[2] +
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1055 plane[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1056 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1057
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1058 static GLfloat gl2psPsca(GLfloat *a, GLfloat *b)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1059 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1060 return(a[0]*b[0] + a[1]*b[1] + a[2]*b[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1061 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1062
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1063 static void gl2psPvec(GLfloat *a, GLfloat *b, GLfloat *c)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1064 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1065 c[0] = a[1]*b[2] - a[2]*b[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1066 c[1] = a[2]*b[0] - a[0]*b[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1067 c[2] = a[0]*b[1] - a[1]*b[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1068 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1069
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1070 static GLfloat gl2psNorm(GLfloat *a)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1071 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1072 return (GLfloat)sqrt(a[0]*a[0] + a[1]*a[1] + a[2]*a[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1073 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1074
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1075 static void gl2psGetNormal(GLfloat *a, GLfloat *b, GLfloat *c)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1076 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1077 GLfloat norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1078
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1079 gl2psPvec(a, b, c);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1080 if(!GL2PS_ZERO(norm = gl2psNorm(c))){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1081 c[0] = c[0] / norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1082 c[1] = c[1] / norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1083 c[2] = c[2] / norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1084 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1085 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1086 /* The plane is still wrong despite our tests in gl2psGetPlane.
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1087 Let's return a dummy value for now (this is a hack: we should
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1088 do more intelligent tests in GetPlane) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1089 c[0] = c[1] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1090 c[2] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1091 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1092 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1093
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1094 static void gl2psGetPlane(GL2PSprimitive *prim, GL2PSplane plane)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1095 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1096 GL2PSxyz v = {0.0F, 0.0F, 0.0F}, w = {0.0F, 0.0F, 0.0F};
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1097
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1098 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1099 case GL2PS_TRIANGLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1100 case GL2PS_QUADRANGLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1101 v[0] = prim->verts[1].xyz[0] - prim->verts[0].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1102 v[1] = prim->verts[1].xyz[1] - prim->verts[0].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1103 v[2] = prim->verts[1].xyz[2] - prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1104 w[0] = prim->verts[2].xyz[0] - prim->verts[0].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1105 w[1] = prim->verts[2].xyz[1] - prim->verts[0].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1106 w[2] = prim->verts[2].xyz[2] - prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1107 if((GL2PS_ZERO(v[0]) && GL2PS_ZERO(v[1]) && GL2PS_ZERO(v[2])) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1108 (GL2PS_ZERO(w[0]) && GL2PS_ZERO(w[1]) && GL2PS_ZERO(w[2]))){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1109 plane[0] = plane[1] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1110 plane[2] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1111 plane[3] = -prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1112 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1113 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1114 gl2psGetNormal(v, w, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1115 plane[3] =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1116 - plane[0] * prim->verts[0].xyz[0]
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1117 - plane[1] * prim->verts[0].xyz[1]
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1118 - plane[2] * prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1119 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1120 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1121 case GL2PS_LINE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1122 v[0] = prim->verts[1].xyz[0] - prim->verts[0].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1123 v[1] = prim->verts[1].xyz[1] - prim->verts[0].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1124 v[2] = prim->verts[1].xyz[2] - prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1125 if(GL2PS_ZERO(v[0]) && GL2PS_ZERO(v[1]) && GL2PS_ZERO(v[2])){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1126 plane[0] = plane[1] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1127 plane[2] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1128 plane[3] = -prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1129 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1130 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1131 if(GL2PS_ZERO(v[0])) w[0] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1132 else if(GL2PS_ZERO(v[1])) w[1] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1133 else w[2] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1134 gl2psGetNormal(v, w, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1135 plane[3] =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1136 - plane[0] * prim->verts[0].xyz[0]
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1137 - plane[1] * prim->verts[0].xyz[1]
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1138 - plane[2] * prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1139 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1140 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1141 case GL2PS_POINT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1142 case GL2PS_PIXMAP :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1143 case GL2PS_TEXT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1144 case GL2PS_SPECIAL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1145 case GL2PS_IMAGEMAP:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1146 plane[0] = plane[1] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1147 plane[2] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1148 plane[3] = -prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1149 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1150 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1151 gl2psMsg(GL2PS_ERROR, "Unknown primitive type in BSP tree");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1152 plane[0] = plane[1] = plane[3] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1153 plane[2] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1154 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1155 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1156 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1157
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1158 static void gl2psCutEdge(GL2PSvertex *a, GL2PSvertex *b, GL2PSplane plane,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1159 GL2PSvertex *c)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1160 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1161 GL2PSxyz v;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1162 GLfloat sect, psca;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1163
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1164 v[0] = b->xyz[0] - a->xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1165 v[1] = b->xyz[1] - a->xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1166 v[2] = b->xyz[2] - a->xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1167
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1168 if(!GL2PS_ZERO(psca = gl2psPsca(plane, v)))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1169 sect = -gl2psComparePointPlane(a->xyz, plane) / psca;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1170 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1171 sect = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1172
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1173 c->xyz[0] = a->xyz[0] + v[0] * sect;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1174 c->xyz[1] = a->xyz[1] + v[1] * sect;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1175 c->xyz[2] = a->xyz[2] + v[2] * sect;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1176
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1177 c->rgba[0] = (1 - sect) * a->rgba[0] + sect * b->rgba[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1178 c->rgba[1] = (1 - sect) * a->rgba[1] + sect * b->rgba[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1179 c->rgba[2] = (1 - sect) * a->rgba[2] + sect * b->rgba[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1180 c->rgba[3] = (1 - sect) * a->rgba[3] + sect * b->rgba[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1181 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1182
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1183 static void gl2psCreateSplitPrimitive(GL2PSprimitive *parent, GL2PSplane plane,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1184 GL2PSprimitive *child, GLshort numverts,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1185 GLshort *index0, GLshort *index1)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1186 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1187 GLshort i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1188
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1189 if(parent->type == GL2PS_IMAGEMAP){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1190 child->type = GL2PS_IMAGEMAP;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1191 child->data.image = parent->data.image;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1192 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1193 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1194 if(numverts > 4){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1195 gl2psMsg(GL2PS_WARNING, "%d vertices in polygon", numverts);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1196 numverts = 4;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1197 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1198 switch(numverts){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1199 case 1 : child->type = GL2PS_POINT; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1200 case 2 : child->type = GL2PS_LINE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1201 case 3 : child->type = GL2PS_TRIANGLE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1202 case 4 : child->type = GL2PS_QUADRANGLE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1203 default: child->type = GL2PS_NO_TYPE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1204 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1205 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1206
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1207 child->boundary = 0; /* FIXME: not done! */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1208 child->culled = parent->culled;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1209 child->offset = parent->offset;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1210 child->pattern = parent->pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1211 child->factor = parent->factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1212 child->width = parent->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1213 child->numverts = numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1214 child->verts = (GL2PSvertex*)gl2psMalloc(numverts * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1215
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1216 for(i = 0; i < numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1217 if(index1[i] < 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1218 child->verts[i] = parent->verts[index0[i]];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1219 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1220 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1221 gl2psCutEdge(&parent->verts[index0[i]], &parent->verts[index1[i]],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1222 plane, &child->verts[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1223 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1224 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1225 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1226
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1227 static void gl2psAddIndex(GLshort *index0, GLshort *index1, GLshort *nb,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1228 GLshort i, GLshort j)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1229 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1230 GLint k;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1231
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1232 for(k = 0; k < *nb; k++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1233 if((index0[k] == i && index1[k] == j) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1234 (index1[k] == i && index0[k] == j)) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1235 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1236 index0[*nb] = i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1237 index1[*nb] = j;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1238 (*nb)++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1239 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1240
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1241 static GLshort gl2psGetIndex(GLshort i, GLshort num)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1242 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1243 return (i < num - 1) ? i + 1 : 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1244 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1245
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1246 static GLint gl2psTestSplitPrimitive(GL2PSprimitive *prim, GL2PSplane plane)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1247 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1248 GLint type = GL2PS_COINCIDENT;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1249 GLshort i, j;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1250 GLfloat d[5];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1251
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1252 for(i = 0; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1253 d[i] = gl2psComparePointPlane(prim->verts[i].xyz, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1254 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1255
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1256 if(prim->numverts < 2){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1257 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1258 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1259 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1260 for(i = 0; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1261 j = gl2psGetIndex(i, prim->numverts);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1262 if(d[j] > GL2PS_EPSILON){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1263 if(type == GL2PS_COINCIDENT) type = GL2PS_IN_BACK_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1264 else if(type != GL2PS_IN_BACK_OF) return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1265 if(d[i] < -GL2PS_EPSILON) return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1266 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1267 else if(d[j] < -GL2PS_EPSILON){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1268 if(type == GL2PS_COINCIDENT) type = GL2PS_IN_FRONT_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1269 else if(type != GL2PS_IN_FRONT_OF) return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1270 if(d[i] > GL2PS_EPSILON) return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1271 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1272 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1273 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1274 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1275 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1276
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1277 static GLint gl2psSplitPrimitive(GL2PSprimitive *prim, GL2PSplane plane,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1278 GL2PSprimitive **front, GL2PSprimitive **back)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1279 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1280 GLshort i, j, in = 0, out = 0, in0[5], in1[5], out0[5], out1[5];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1281 GLint type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1282 GLfloat d[5];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1283
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1284 type = GL2PS_COINCIDENT;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1285
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1286 for(i = 0; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1287 d[i] = gl2psComparePointPlane(prim->verts[i].xyz, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1288 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1289
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1290 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1291 case GL2PS_POINT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1292 if(d[0] > GL2PS_EPSILON) type = GL2PS_IN_BACK_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1293 else if(d[0] < -GL2PS_EPSILON) type = GL2PS_IN_FRONT_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1294 else type = GL2PS_COINCIDENT;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1295 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1296 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1297 for(i = 0; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1298 j = gl2psGetIndex(i, prim->numverts);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1299 if(d[j] > GL2PS_EPSILON){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1300 if(type == GL2PS_COINCIDENT) type = GL2PS_IN_BACK_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1301 else if(type != GL2PS_IN_BACK_OF) type = GL2PS_SPANNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1302 if(d[i] < -GL2PS_EPSILON){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1303 gl2psAddIndex(in0, in1, &in, i, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1304 gl2psAddIndex(out0, out1, &out, i, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1305 type = GL2PS_SPANNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1306 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1307 gl2psAddIndex(out0, out1, &out, j, -1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1308 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1309 else if(d[j] < -GL2PS_EPSILON){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1310 if(type == GL2PS_COINCIDENT) type = GL2PS_IN_FRONT_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1311 else if(type != GL2PS_IN_FRONT_OF) type = GL2PS_SPANNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1312 if(d[i] > GL2PS_EPSILON){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1313 gl2psAddIndex(in0, in1, &in, i, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1314 gl2psAddIndex(out0, out1, &out, i, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1315 type = GL2PS_SPANNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1316 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1317 gl2psAddIndex(in0, in1, &in, j, -1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1318 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1319 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1320 gl2psAddIndex(in0, in1, &in, j, -1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1321 gl2psAddIndex(out0, out1, &out, j, -1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1322 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1323 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1324 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1325 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1326
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1327 if(type == GL2PS_SPANNING){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1328 *back = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1329 *front = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1330 gl2psCreateSplitPrimitive(prim, plane, *back, out, out0, out1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1331 gl2psCreateSplitPrimitive(prim, plane, *front, in, in0, in1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1332 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1333
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1334 return type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1335 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1336
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1337 static void gl2psDivideQuad(GL2PSprimitive *quad,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1338 GL2PSprimitive **t1, GL2PSprimitive **t2)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1339 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1340 *t1 = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1341 *t2 = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1342 (*t1)->type = (*t2)->type = GL2PS_TRIANGLE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1343 (*t1)->numverts = (*t2)->numverts = 3;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1344 (*t1)->culled = (*t2)->culled = quad->culled;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1345 (*t1)->offset = (*t2)->offset = quad->offset;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1346 (*t1)->pattern = (*t2)->pattern = quad->pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1347 (*t1)->factor = (*t2)->factor = quad->factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1348 (*t1)->width = (*t2)->width = quad->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1349 (*t1)->verts = (GL2PSvertex*)gl2psMalloc(3 * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1350 (*t2)->verts = (GL2PSvertex*)gl2psMalloc(3 * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1351 (*t1)->verts[0] = quad->verts[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1352 (*t1)->verts[1] = quad->verts[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1353 (*t1)->verts[2] = quad->verts[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1354 (*t1)->boundary = ((quad->boundary & 1) ? 1 : 0) | ((quad->boundary & 2) ? 2 : 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1355 (*t2)->verts[0] = quad->verts[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1356 (*t2)->verts[1] = quad->verts[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1357 (*t2)->verts[2] = quad->verts[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1358 (*t2)->boundary = ((quad->boundary & 4) ? 2 : 0) | ((quad->boundary & 4) ? 2 : 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1359 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1360
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1361 static int gl2psCompareDepth(const void *a, const void *b)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1362 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1363 GL2PSprimitive *q, *w;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1364 GLfloat dq = 0.0F, dw = 0.0F, diff;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1365 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1366
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1367 q = *(GL2PSprimitive**)a;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1368 w = *(GL2PSprimitive**)b;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1369
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1370 for(i = 0; i < q->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1371 dq += q->verts[i].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1372 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1373 dq /= (GLfloat)q->numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1374
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1375 for(i = 0; i < w->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1376 dw += w->verts[i].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1377 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1378 dw /= (GLfloat)w->numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1379
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1380 diff = dq - dw;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1381 if(diff > 0.){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1382 return -1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1383 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1384 else if(diff < 0.){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1385 return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1386 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1387 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1388 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1389 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1390 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1391
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1392 static int gl2psTrianglesFirst(const void *a, const void *b)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1393 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1394 GL2PSprimitive *q, *w;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1395
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1396 q = *(GL2PSprimitive**)a;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1397 w = *(GL2PSprimitive**)b;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1398 return(q->type < w->type ? 1 : -1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1399 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1400
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1401 static GLint gl2psFindRoot(GL2PSlist *primitives, GL2PSprimitive **root)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1402 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1403 GLint i, j, count, best = 1000000, index = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1404 GL2PSprimitive *prim1, *prim2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1405 GL2PSplane plane;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1406 GLint maxp;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1407
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1408 if(!gl2psListNbr(primitives)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1409 gl2psMsg(GL2PS_ERROR, "Cannot fint root in empty primitive list");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1410 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1411 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1412
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1413 *root = *(GL2PSprimitive**)gl2psListPointer(primitives, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1414
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1415 if(gl2ps->options & GL2PS_BEST_ROOT){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1416 maxp = gl2psListNbr(primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1417 if(maxp > gl2ps->maxbestroot){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1418 maxp = gl2ps->maxbestroot;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1419 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1420 for(i = 0; i < maxp; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1421 prim1 = *(GL2PSprimitive**)gl2psListPointer(primitives, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1422 gl2psGetPlane(prim1, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1423 count = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1424 for(j = 0; j < gl2psListNbr(primitives); j++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1425 if(j != i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1426 prim2 = *(GL2PSprimitive**)gl2psListPointer(primitives, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1427 count += gl2psTestSplitPrimitive(prim2, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1428 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1429 if(count > best) break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1430 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1431 if(count < best){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1432 best = count;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1433 index = i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1434 *root = prim1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1435 if(!count) return index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1436 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1437 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1438 /* if(index) gl2psMsg(GL2PS_INFO, "GL2PS_BEST_ROOT was worth it: %d", index); */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1439 return index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1440 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1441 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1442 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1443 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1444 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1445
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1446 static void gl2psFreeImagemap(GL2PSimagemap *list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1447 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1448 GL2PSimagemap *next;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1449 while(list != NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1450 next = list->next;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1451 gl2psFree(list->image->pixels);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1452 gl2psFree(list->image);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1453 gl2psFree(list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1454 list = next;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1455 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1456 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1457
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1458 static void gl2psFreePrimitive(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1459 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1460 GL2PSprimitive *q;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1461
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1462 q = *(GL2PSprimitive**)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1463 gl2psFree(q->verts);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1464 if(q->type == GL2PS_TEXT || q->type == GL2PS_SPECIAL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1465 gl2psFreeText(q->data.text);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1466 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1467 else if(q->type == GL2PS_PIXMAP){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1468 gl2psFreePixmap(q->data.image);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1469 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1470 gl2psFree(q);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1471 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1472
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1473 static void gl2psAddPrimitiveInList(GL2PSprimitive *prim, GL2PSlist *list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1474 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1475 GL2PSprimitive *t1, *t2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1476
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1477 if(prim->type != GL2PS_QUADRANGLE){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1478 gl2psListAdd(list, &prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1479 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1480 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1481 gl2psDivideQuad(prim, &t1, &t2);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1482 gl2psListAdd(list, &t1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1483 gl2psListAdd(list, &t2);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1484 gl2psFreePrimitive(&prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1485 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1486
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1487 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1488
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1489 static void gl2psFreeBspTree(GL2PSbsptree **tree)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1490 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1491 if(*tree){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1492 if((*tree)->back) gl2psFreeBspTree(&(*tree)->back);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1493 if((*tree)->primitives){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1494 gl2psListAction((*tree)->primitives, gl2psFreePrimitive);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1495 gl2psListDelete((*tree)->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1496 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1497 if((*tree)->front) gl2psFreeBspTree(&(*tree)->front);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1498 gl2psFree(*tree);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1499 *tree = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1500 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1501 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1502
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1503 static GLboolean gl2psGreater(GLfloat f1, GLfloat f2)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1504 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1505 if(f1 > f2) return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1506 else return GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1507 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1508
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1509 static GLboolean gl2psLess(GLfloat f1, GLfloat f2)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1510 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1511 if(f1 < f2) return GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1512 else return GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1513 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1514
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1515 static void gl2psBuildBspTree(GL2PSbsptree *tree, GL2PSlist *primitives)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1516 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1517 GL2PSprimitive *prim, *frontprim = NULL, *backprim = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1518 GL2PSlist *frontlist, *backlist;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1519 GLint i, index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1520
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1521 tree->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1522 tree->back = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1523 tree->primitives = gl2psListCreate(1, 2, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1524 index = gl2psFindRoot(primitives, &prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1525 gl2psGetPlane(prim, tree->plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1526 gl2psAddPrimitiveInList(prim, tree->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1527
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1528 frontlist = gl2psListCreate(1, 2, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1529 backlist = gl2psListCreate(1, 2, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1530
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1531 for(i = 0; i < gl2psListNbr(primitives); i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1532 if(i != index){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1533 prim = *(GL2PSprimitive**)gl2psListPointer(primitives,i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1534 switch(gl2psSplitPrimitive(prim, tree->plane, &frontprim, &backprim)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1535 case GL2PS_COINCIDENT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1536 gl2psAddPrimitiveInList(prim, tree->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1537 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1538 case GL2PS_IN_BACK_OF:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1539 gl2psAddPrimitiveInList(prim, backlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1540 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1541 case GL2PS_IN_FRONT_OF:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1542 gl2psAddPrimitiveInList(prim, frontlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1543 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1544 case GL2PS_SPANNING:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1545 gl2psAddPrimitiveInList(backprim, backlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1546 gl2psAddPrimitiveInList(frontprim, frontlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1547 gl2psFreePrimitive(&prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1548 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1549 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1550 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1551 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1552
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1553 if(gl2psListNbr(tree->primitives)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1554 gl2psListSort(tree->primitives, gl2psTrianglesFirst);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1555 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1556
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1557 if(gl2psListNbr(frontlist)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1558 gl2psListSort(frontlist, gl2psTrianglesFirst);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1559 tree->front = (GL2PSbsptree*)gl2psMalloc(sizeof(GL2PSbsptree));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1560 gl2psBuildBspTree(tree->front, frontlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1561 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1562 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1563 gl2psListDelete(frontlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1564 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1565
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1566 if(gl2psListNbr(backlist)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1567 gl2psListSort(backlist, gl2psTrianglesFirst);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1568 tree->back = (GL2PSbsptree*)gl2psMalloc(sizeof(GL2PSbsptree));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1569 gl2psBuildBspTree(tree->back, backlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1570 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1571 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1572 gl2psListDelete(backlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1573 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1574
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1575 gl2psListDelete(primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1576 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1577
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1578 static void gl2psTraverseBspTree(GL2PSbsptree *tree, GL2PSxyz eye, GLfloat epsilon,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1579 GLboolean (*compare)(GLfloat f1, GLfloat f2),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1580 void (*action)(void *data), int inverse)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1581 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1582 GLfloat result;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1583
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1584 if(!tree) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1585
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1586 result = gl2psComparePointPlane(eye, tree->plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1587
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1588 if(GL_TRUE == compare(result, epsilon)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1589 gl2psTraverseBspTree(tree->back, eye, epsilon, compare, action, inverse);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1590 if(inverse){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1591 gl2psListActionInverse(tree->primitives, action);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1592 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1593 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1594 gl2psListAction(tree->primitives, action);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1595 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1596 gl2psTraverseBspTree(tree->front, eye, epsilon, compare, action, inverse);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1597 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1598 else if(GL_TRUE == compare(-epsilon, result)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1599 gl2psTraverseBspTree(tree->front, eye, epsilon, compare, action, inverse);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1600 if(inverse){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1601 gl2psListActionInverse(tree->primitives, action);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1602 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1603 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1604 gl2psListAction(tree->primitives, action);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1605 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1606 gl2psTraverseBspTree(tree->back, eye, epsilon, compare, action, inverse);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1607 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1608 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1609 gl2psTraverseBspTree(tree->front, eye, epsilon, compare, action, inverse);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1610 gl2psTraverseBspTree(tree->back, eye, epsilon, compare, action, inverse);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1611 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1612 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1613
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1614 static void gl2psRescaleAndOffset()
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1615 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1616 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1617 GLfloat minZ, maxZ, rangeZ, scaleZ;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1618 GLfloat factor, units, area, dZ, dZdX, dZdY, maxdZ;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1619 int i, j;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1620
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1621 if(!gl2psListNbr(gl2ps->primitives))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1622 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1623
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1624 /* get z-buffer range */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1625 prim = *(GL2PSprimitive**)gl2psListPointer(gl2ps->primitives, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1626 minZ = maxZ = prim->verts[0].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1627 for(i = 1; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1628 if(prim->verts[i].xyz[2] < minZ) minZ = prim->verts[i].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1629 if(prim->verts[i].xyz[2] > maxZ) maxZ = prim->verts[i].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1630 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1631 for(i = 1; i < gl2psListNbr(gl2ps->primitives); i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1632 prim = *(GL2PSprimitive**)gl2psListPointer(gl2ps->primitives, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1633 for(j = 0; j < prim->numverts; j++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1634 if(prim->verts[j].xyz[2] < minZ) minZ = prim->verts[j].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1635 if(prim->verts[j].xyz[2] > maxZ) maxZ = prim->verts[j].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1636 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1637 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1638 rangeZ = (maxZ - minZ);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1639
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1640 /* rescale z-buffer coordinate in [0,GL2PS_ZSCALE], to make it of
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1641 the same order of magnitude as the x and y coordinates */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1642 scaleZ = GL2PS_ZERO(rangeZ) ? GL2PS_ZSCALE : (GL2PS_ZSCALE / rangeZ);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1643 /* avoid precision loss (we use floats!) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1644 if(scaleZ > 100000.F) scaleZ = 100000.F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1645
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1646 /* apply offsets */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1647 for(i = 0; i < gl2psListNbr(gl2ps->primitives); i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1648 prim = *(GL2PSprimitive**)gl2psListPointer(gl2ps->primitives, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1649 for(j = 0; j < prim->numverts; j++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1650 prim->verts[j].xyz[2] = (prim->verts[j].xyz[2] - minZ) * scaleZ;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1651 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1652 if((gl2ps->options & GL2PS_SIMPLE_LINE_OFFSET) &&
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1653 (prim->type == GL2PS_LINE)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1654 if(gl2ps->sort == GL2PS_SIMPLE_SORT){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1655 prim->verts[0].xyz[2] -= GL2PS_ZOFFSET_LARGE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1656 prim->verts[1].xyz[2] -= GL2PS_ZOFFSET_LARGE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1657 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1658 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1659 prim->verts[0].xyz[2] -= GL2PS_ZOFFSET;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1660 prim->verts[1].xyz[2] -= GL2PS_ZOFFSET;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1661 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1662 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1663 else if(prim->offset && (prim->type == GL2PS_TRIANGLE)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1664 factor = gl2ps->offset[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1665 units = gl2ps->offset[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1666 area =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1667 (prim->verts[1].xyz[0] - prim->verts[0].xyz[0]) *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1668 (prim->verts[2].xyz[1] - prim->verts[1].xyz[1]) -
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1669 (prim->verts[2].xyz[0] - prim->verts[1].xyz[0]) *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1670 (prim->verts[1].xyz[1] - prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1671 if(!GL2PS_ZERO(area)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1672 dZdX =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1673 ((prim->verts[2].xyz[1] - prim->verts[1].xyz[1]) *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1674 (prim->verts[1].xyz[2] - prim->verts[0].xyz[2]) -
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1675 (prim->verts[1].xyz[1] - prim->verts[0].xyz[1]) *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1676 (prim->verts[2].xyz[2] - prim->verts[1].xyz[2])) / area;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1677 dZdY =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1678 ((prim->verts[1].xyz[0] - prim->verts[0].xyz[0]) *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1679 (prim->verts[2].xyz[2] - prim->verts[1].xyz[2]) -
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1680 (prim->verts[2].xyz[0] - prim->verts[1].xyz[0]) *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1681 (prim->verts[1].xyz[2] - prim->verts[0].xyz[2])) / area;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1682 maxdZ = (GLfloat)sqrt(dZdX * dZdX + dZdY * dZdY);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1683 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1684 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1685 maxdZ = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1686 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1687 dZ = factor * maxdZ + units;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1688 prim->verts[0].xyz[2] += dZ;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1689 prim->verts[1].xyz[2] += dZ;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1690 prim->verts[2].xyz[2] += dZ;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1691 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1692 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1693 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1694
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1695 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1696 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1697 * 2D sorting routines (for occlusion culling)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1698 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1699 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1700
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1701 static GLint gl2psGetPlaneFromPoints(GL2PSxyz a, GL2PSxyz b, GL2PSplane plane)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1702 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1703 GLfloat n;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1704
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1705 plane[0] = b[1] - a[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1706 plane[1] = a[0] - b[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1707 n = (GLfloat)sqrt(plane[0]*plane[0] + plane[1]*plane[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1708 plane[2] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1709 if(!GL2PS_ZERO(n)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1710 plane[0] /= n;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1711 plane[1] /= n;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1712 plane[3] = -plane[0]*a[0]-plane[1]*a[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1713 return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1714 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1715 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1716 plane[0] = -1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1717 plane[1] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1718 plane[3] = a[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1719 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1720 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1721 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1722
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1723 static void gl2psFreeBspImageTree(GL2PSbsptree2d **tree)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1724 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1725 if(*tree){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1726 if((*tree)->back) gl2psFreeBspImageTree(&(*tree)->back);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1727 if((*tree)->front) gl2psFreeBspImageTree(&(*tree)->front);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1728 gl2psFree(*tree);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1729 *tree = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1730 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1731 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1732
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1733 static GLint gl2psCheckPoint(GL2PSxyz point, GL2PSplane plane)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1734 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1735 GLfloat pt_dis;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1736
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1737 pt_dis = gl2psComparePointPlane(point, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1738 if(pt_dis > GL2PS_EPSILON) return GL2PS_POINT_INFRONT;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1739 else if(pt_dis < -GL2PS_EPSILON) return GL2PS_POINT_BACK;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1740 else return GL2PS_POINT_COINCIDENT;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1741 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1742
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1743 static void gl2psAddPlanesInBspTreeImage(GL2PSprimitive *prim,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1744 GL2PSbsptree2d **tree)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1745 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1746 GLint ret = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1747 GLint i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1748 GLint offset = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1749 GL2PSbsptree2d *head = NULL, *cur = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1750
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1751 if((*tree == NULL) && (prim->numverts > 2)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1752 /* don't cull if transparent
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1753 for(i = 0; i < prim->numverts - 1; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1754 if(prim->verts[i].rgba[3] < 1.0F) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1755 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1756 head = (GL2PSbsptree2d*)gl2psMalloc(sizeof(GL2PSbsptree2d));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1757 for(i = 0; i < prim->numverts-1; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1758 if(!gl2psGetPlaneFromPoints(prim->verts[i].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1759 prim->verts[i+1].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1760 head->plane)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1761 if(prim->numverts-i > 3){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1762 offset++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1763 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1764 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1765 gl2psFree(head);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1766 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1767 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1768 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1769 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1770 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1771 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1772 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1773 head->back = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1774 head->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1775 for(i = 2+offset; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1776 ret = gl2psCheckPoint(prim->verts[i].xyz, head->plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1777 if(ret != GL2PS_POINT_COINCIDENT) break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1778 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1779 switch(ret){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1780 case GL2PS_POINT_INFRONT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1781 cur = head;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1782 for(i = 1+offset; i < prim->numverts-1; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1783 if(cur->front == NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1784 cur->front = (GL2PSbsptree2d*)gl2psMalloc(sizeof(GL2PSbsptree2d));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1785 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1786 if(gl2psGetPlaneFromPoints(prim->verts[i].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1787 prim->verts[i+1].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1788 cur->front->plane)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1789 cur = cur->front;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1790 cur->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1791 cur->back = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1792 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1793 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1794 if(cur->front == NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1795 cur->front = (GL2PSbsptree2d*)gl2psMalloc(sizeof(GL2PSbsptree2d));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1796 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1797 if(gl2psGetPlaneFromPoints(prim->verts[i].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1798 prim->verts[offset].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1799 cur->front->plane)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1800 cur->front->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1801 cur->front->back = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1802 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1803 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1804 gl2psFree(cur->front);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1805 cur->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1806 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1807 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1808 case GL2PS_POINT_BACK :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1809 for(i = 0; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1810 head->plane[i] = -head->plane[i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1811 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1812 cur = head;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1813 for(i = 1+offset; i < prim->numverts-1; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1814 if(cur->front == NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1815 cur->front = (GL2PSbsptree2d*)gl2psMalloc(sizeof(GL2PSbsptree2d));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1816 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1817 if(gl2psGetPlaneFromPoints(prim->verts[i+1].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1818 prim->verts[i].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1819 cur->front->plane)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1820 cur = cur->front;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1821 cur->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1822 cur->back = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1823 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1824 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1825 if(cur->front == NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1826 cur->front = (GL2PSbsptree2d*)gl2psMalloc(sizeof(GL2PSbsptree2d));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1827 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1828 if(gl2psGetPlaneFromPoints(prim->verts[offset].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1829 prim->verts[i].xyz,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1830 cur->front->plane)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1831 cur->front->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1832 cur->front->back = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1833 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1834 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1835 gl2psFree(cur->front);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1836 cur->front = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1837 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1838 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1839 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1840 gl2psFree(head);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1841 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1842 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1843 (*tree) = head;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1844 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1845 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1846
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1847 static GLint gl2psCheckPrimitive(GL2PSprimitive *prim, GL2PSplane plane)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1848 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1849 GLint i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1850 GLint pos;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1851
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1852 pos = gl2psCheckPoint(prim->verts[0].xyz, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1853 for(i = 1; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1854 pos |= gl2psCheckPoint(prim->verts[i].xyz, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1855 if(pos == (GL2PS_POINT_INFRONT | GL2PS_POINT_BACK)) return GL2PS_SPANNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1856 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1857 if(pos & GL2PS_POINT_INFRONT) return GL2PS_IN_FRONT_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1858 else if(pos & GL2PS_POINT_BACK) return GL2PS_IN_BACK_OF;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1859 else return GL2PS_COINCIDENT;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1860 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1861
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1862 static GL2PSprimitive *gl2psCreateSplitPrimitive2D(GL2PSprimitive *parent,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1863 GLshort numverts,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1864 GL2PSvertex *vertx)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1865 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1866 GLint i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1867 GL2PSprimitive *child = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1868
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1869 if(parent->type == GL2PS_IMAGEMAP){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1870 child->type = GL2PS_IMAGEMAP;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1871 child->data.image = parent->data.image;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1872 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1873 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1874 switch(numverts){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1875 case 1 : child->type = GL2PS_POINT; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1876 case 2 : child->type = GL2PS_LINE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1877 case 3 : child->type = GL2PS_TRIANGLE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1878 case 4 : child->type = GL2PS_QUADRANGLE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1879 default: child->type = GL2PS_NO_TYPE; break; /* FIXME */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1880 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1881 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1882 child->boundary = 0; /* FIXME: not done! */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1883 child->culled = parent->culled;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1884 child->offset = parent->offset;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1885 child->pattern = parent->pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1886 child->factor = parent->factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1887 child->width = parent->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1888 child->numverts = numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1889 child->verts = (GL2PSvertex*)gl2psMalloc(numverts * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1890 for(i = 0; i < numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1891 child->verts[i] = vertx[i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1892 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1893 return child;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1894 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1895
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1896 static void gl2psSplitPrimitive2D(GL2PSprimitive *prim,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1897 GL2PSplane plane,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1898 GL2PSprimitive **front,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1899 GL2PSprimitive **back)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1900 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1901 /* cur will hold the position of the current vertex
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1902 prev will hold the position of the previous vertex
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1903 prev0 will hold the position of the vertex number 0
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1904 v1 and v2 represent the current and previous vertices, respectively
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1905 flag is set if the current vertex should be checked against the plane */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1906 GLint cur = -1, prev = -1, i, v1 = 0, v2 = 0, flag = 1, prev0 = -1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1907
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1908 /* list of vertices that will go in front and back primitive */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1909 GL2PSvertex *front_list = NULL, *back_list = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1910
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1911 /* number of vertices in front and back list */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1912 GLshort front_count = 0, back_count = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1913
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1914 for(i = 0; i <= prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1915 v1 = i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1916 if(v1 == prim->numverts){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1917 if(prim->numverts < 3) break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1918 v1 = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1919 v2 = prim->numverts - 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1920 cur = prev0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1921 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1922 else if(flag){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1923 cur = gl2psCheckPoint(prim->verts[v1].xyz, plane);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1924 if(i == 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1925 prev0 = cur;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1926 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1927 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1928 if(((prev == -1) || (prev == cur) || (prev == 0) || (cur == 0)) &&
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1929 (i < prim->numverts)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1930 if(cur == GL2PS_POINT_INFRONT){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1931 front_count++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1932 front_list = (GL2PSvertex*)gl2psRealloc(front_list,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1933 sizeof(GL2PSvertex)*front_count);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1934 front_list[front_count-1] = prim->verts[v1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1935 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1936 else if(cur == GL2PS_POINT_BACK){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1937 back_count++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1938 back_list = (GL2PSvertex*)gl2psRealloc(back_list,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1939 sizeof(GL2PSvertex)*back_count);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1940 back_list[back_count-1] = prim->verts[v1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1941 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1942 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1943 front_count++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1944 front_list = (GL2PSvertex*)gl2psRealloc(front_list,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1945 sizeof(GL2PSvertex)*front_count);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1946 front_list[front_count-1] = prim->verts[v1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1947 back_count++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1948 back_list = (GL2PSvertex*)gl2psRealloc(back_list,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1949 sizeof(GL2PSvertex)*back_count);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1950 back_list[back_count-1] = prim->verts[v1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1951 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1952 flag = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1953 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1954 else if((prev != cur) && (cur != 0) && (prev != 0)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1955 if(v1 != 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1956 v2 = v1-1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1957 i--;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1958 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1959 front_count++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1960 front_list = (GL2PSvertex*)gl2psRealloc(front_list,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1961 sizeof(GL2PSvertex)*front_count);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1962 gl2psCutEdge(&prim->verts[v2], &prim->verts[v1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1963 plane, &front_list[front_count-1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1964 back_count++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1965 back_list = (GL2PSvertex*)gl2psRealloc(back_list,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1966 sizeof(GL2PSvertex)*back_count);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1967 back_list[back_count-1] = front_list[front_count-1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1968 flag = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1969 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1970 prev = cur;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1971 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1972 *front = gl2psCreateSplitPrimitive2D(prim, front_count, front_list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1973 *back = gl2psCreateSplitPrimitive2D(prim, back_count, back_list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1974 gl2psFree(front_list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1975 gl2psFree(back_list);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1976 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1977
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1978 static GLint gl2psAddInBspImageTree(GL2PSprimitive *prim, GL2PSbsptree2d **tree)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1979 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1980 GLint ret = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1981 GL2PSprimitive *frontprim = NULL, *backprim = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1982
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1983 /* FIXME: until we consider the actual extent of text strings and
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1984 pixmaps, never cull them. Otherwise the whole string/pixmap gets
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1985 culled as soon as the reference point is hidden */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1986 if(prim->type == GL2PS_PIXMAP ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1987 prim->type == GL2PS_TEXT ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1988 prim->type == GL2PS_SPECIAL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1989 return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1990 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1991
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1992 if(*tree == NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1993 if((prim->type != GL2PS_IMAGEMAP) && (GL_FALSE == gl2ps->zerosurfacearea)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1994 gl2psAddPlanesInBspTreeImage(gl2ps->primitivetoadd, tree);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1995 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1996 return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1997 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1998 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
1999 switch(gl2psCheckPrimitive(prim, (*tree)->plane)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2000 case GL2PS_IN_BACK_OF: return gl2psAddInBspImageTree(prim, &(*tree)->back);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2001 case GL2PS_IN_FRONT_OF:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2002 if((*tree)->front != NULL) return gl2psAddInBspImageTree(prim, &(*tree)->front);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2003 else return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2004 case GL2PS_SPANNING:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2005 gl2psSplitPrimitive2D(prim, (*tree)->plane, &frontprim, &backprim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2006 ret = gl2psAddInBspImageTree(backprim, &(*tree)->back);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2007 if((*tree)->front != NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2008 if(gl2psAddInBspImageTree(frontprim, &(*tree)->front)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2009 ret = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2010 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2011 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2012 gl2psFree(frontprim->verts);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2013 gl2psFree(frontprim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2014 gl2psFree(backprim->verts);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2015 gl2psFree(backprim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2016 return ret;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2017 case GL2PS_COINCIDENT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2018 if((*tree)->back != NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2019 gl2ps->zerosurfacearea = GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2020 ret = gl2psAddInBspImageTree(prim, &(*tree)->back);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2021 gl2ps->zerosurfacearea = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2022 if(ret) return ret;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2023 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2024 if((*tree)->front != NULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2025 gl2ps->zerosurfacearea = GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2026 ret = gl2psAddInBspImageTree(prim, &(*tree)->front);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2027 gl2ps->zerosurfacearea = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2028 if(ret) return ret;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2029 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2030 if(prim->type == GL2PS_LINE) return 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2031 else return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2032 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2033 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2034 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2035 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2036
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2037 static void gl2psAddInImageTree(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2038 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2039 GL2PSprimitive *prim = *(GL2PSprimitive **)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2040 gl2ps->primitivetoadd = prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2041 if(prim->type == GL2PS_IMAGEMAP && prim->data.image->format == GL2PS_IMAGEMAP_VISIBLE){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2042 prim->culled = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2043 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2044 else if(!gl2psAddInBspImageTree(prim, &gl2ps->imagetree)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2045 prim->culled = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2046 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2047 else if(prim->type == GL2PS_IMAGEMAP){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2048 prim->data.image->format = GL2PS_IMAGEMAP_VISIBLE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2049 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2050 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2051
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2052 /* Boundary construction */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2053
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2054 static void gl2psAddBoundaryInList(GL2PSprimitive *prim, GL2PSlist *list)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2055 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2056 GL2PSprimitive *b;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2057 GLshort i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2058 GL2PSxyz c;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2059
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2060 c[0] = c[1] = c[2] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2061 for(i = 0; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2062 c[0] += prim->verts[i].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2063 c[1] += prim->verts[i].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2064 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2065 c[0] /= prim->numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2066 c[1] /= prim->numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2067
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2068 for(i = 0; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2069 if(prim->boundary & (GLint)pow(2., i)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2070 b = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2071 b->type = GL2PS_LINE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2072 b->offset = prim->offset;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2073 b->pattern = prim->pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2074 b->factor = prim->factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2075 b->culled = prim->culled;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2076 b->width = prim->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2077 b->boundary = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2078 b->numverts = 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2079 b->verts = (GL2PSvertex*)gl2psMalloc(2 * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2080
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2081 #if 0 /* FIXME: need to work on boundary offset... */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2082 v[0] = c[0] - prim->verts[i].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2083 v[1] = c[1] - prim->verts[i].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2084 v[2] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2085 norm = gl2psNorm(v);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2086 v[0] /= norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2087 v[1] /= norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2088 b->verts[0].xyz[0] = prim->verts[i].xyz[0] +0.1*v[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2089 b->verts[0].xyz[1] = prim->verts[i].xyz[1] +0.1*v[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2090 b->verts[0].xyz[2] = prim->verts[i].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2091 v[0] = c[0] - prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2092 v[1] = c[1] - prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2093 norm = gl2psNorm(v);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2094 v[0] /= norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2095 v[1] /= norm;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2096 b->verts[1].xyz[0] = prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[0] +0.1*v[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2097 b->verts[1].xyz[1] = prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[1] +0.1*v[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2098 b->verts[1].xyz[2] = prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2099 #else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2100 b->verts[0].xyz[0] = prim->verts[i].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2101 b->verts[0].xyz[1] = prim->verts[i].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2102 b->verts[0].xyz[2] = prim->verts[i].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2103 b->verts[1].xyz[0] = prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2104 b->verts[1].xyz[1] = prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2105 b->verts[1].xyz[2] = prim->verts[gl2psGetIndex(i, prim->numverts)].xyz[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2106 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2107
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2108 b->verts[0].rgba[0] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2109 b->verts[0].rgba[1] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2110 b->verts[0].rgba[2] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2111 b->verts[0].rgba[3] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2112 b->verts[1].rgba[0] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2113 b->verts[1].rgba[1] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2114 b->verts[1].rgba[2] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2115 b->verts[1].rgba[3] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2116 gl2psListAdd(list, &b);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2117 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2118 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2119
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2120 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2121
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2122 static void gl2psBuildPolygonBoundary(GL2PSbsptree *tree)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2123 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2124 GLint i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2125 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2126
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2127 if(!tree) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2128 gl2psBuildPolygonBoundary(tree->back);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2129 for(i = 0; i < gl2psListNbr(tree->primitives); i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2130 prim = *(GL2PSprimitive**)gl2psListPointer(tree->primitives, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2131 if(prim->boundary) gl2psAddBoundaryInList(prim, tree->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2132 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2133 gl2psBuildPolygonBoundary(tree->front);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2134 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2135
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2136 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2137 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2138 * Feedback buffer parser
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2139 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2140 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2141
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2142 static void gl2psAddPolyPrimitive(GLshort type, GLshort numverts,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2143 GL2PSvertex *verts, GLint offset,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2144 GLushort pattern, GLint factor,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2145 GLfloat width, char boundary)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2146 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2147 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2148
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2149 prim = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2150 prim->type = type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2151 prim->numverts = numverts;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2152 prim->verts = (GL2PSvertex*)gl2psMalloc(numverts * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2153 memcpy(prim->verts, verts, numverts * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2154 prim->boundary = boundary;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2155 prim->offset = offset;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2156 prim->pattern = pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2157 prim->factor = factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2158 prim->width = width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2159 prim->culled = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2160
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2161 /* FIXME: here we should have an option to split stretched
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2162 tris/quads to enhance SIMPLE_SORT */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2163
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2164 gl2psListAdd(gl2ps->primitives, &prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2165 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2166
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2167 static GLint gl2psGetVertex(GL2PSvertex *v, GLfloat *p)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2168 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2169 GLint i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2170
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2171 v->xyz[0] = p[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2172 v->xyz[1] = p[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2173 v->xyz[2] = p[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2174
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2175 if(gl2ps->colormode == GL_COLOR_INDEX && gl2ps->colorsize > 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2176 i = (GLint)(p[3] + 0.5);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2177 v->rgba[0] = gl2ps->colormap[i][0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2178 v->rgba[1] = gl2ps->colormap[i][1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2179 v->rgba[2] = gl2ps->colormap[i][2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2180 v->rgba[3] = gl2ps->colormap[i][3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2181 return 4;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2182 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2183 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2184 v->rgba[0] = p[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2185 v->rgba[1] = p[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2186 v->rgba[2] = p[5];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2187 v->rgba[3] = p[6];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2188 return 7;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2189 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2190 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2191
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2192 static void gl2psParseFeedbackBuffer(GLint used)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2193 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2194 char flag;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2195 GLushort pattern = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2196 GLboolean boundary;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2197 GLint i, sizeoffloat, count, v, vtot, offset = 0, factor = 0, auxindex = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2198 GLfloat lwidth = 1.0F, psize = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2199 GLfloat *current;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2200 GL2PSvertex vertices[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2201 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2202 GL2PSimagemap *node;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2203
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2204 current = gl2ps->feedback;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2205 boundary = gl2ps->boundary = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2206
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2207 while(used > 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2208
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2209 if(GL_TRUE == boundary) gl2ps->boundary = GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2210
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2211 switch((GLint)*current){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2212 case GL_POINT_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2213 current ++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2214 used --;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2215 i = gl2psGetVertex(&vertices[0], current);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2216 current += i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2217 used -= i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2218 gl2psAddPolyPrimitive(GL2PS_POINT, 1, vertices, 0,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2219 pattern, factor, psize, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2220 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2221 case GL_LINE_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2222 case GL_LINE_RESET_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2223 current ++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2224 used --;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2225 i = gl2psGetVertex(&vertices[0], current);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2226 current += i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2227 used -= i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2228 i = gl2psGetVertex(&vertices[1], current);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2229 current += i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2230 used -= i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2231 gl2psAddPolyPrimitive(GL2PS_LINE, 2, vertices, 0,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2232 pattern, factor, lwidth, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2233 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2234 case GL_POLYGON_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2235 count = (GLint)current[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2236 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2237 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2238 v = vtot = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2239 while(count > 0 && used > 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2240 i = gl2psGetVertex(&vertices[v], current);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2241 gl2psAdaptVertexForBlending(&vertices[v]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2242 current += i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2243 used -= i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2244 count --;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2245 vtot++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2246 if(v == 2){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2247 if(GL_TRUE == boundary){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2248 if(!count && vtot == 2) flag = 1|2|4;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2249 else if(!count) flag = 2|4;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2250 else if(vtot == 2) flag = 1|2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2251 else flag = 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2252 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2253 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2254 flag = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2255 gl2psAddPolyPrimitive(GL2PS_TRIANGLE, 3, vertices, offset,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2256 pattern, factor, 1, flag);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2257 vertices[1] = vertices[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2258 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2259 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2260 v ++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2261 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2262 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2263 case GL_BITMAP_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2264 case GL_DRAW_PIXEL_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2265 case GL_COPY_PIXEL_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2266 current ++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2267 used --;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2268 i = gl2psGetVertex(&vertices[0], current);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2269 current += i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2270 used -= i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2271 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2272 case GL_PASS_THROUGH_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2273 switch((GLint)current[1]){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2274 case GL2PS_BEGIN_OFFSET_TOKEN : offset = 1; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2275 case GL2PS_END_OFFSET_TOKEN : offset = 0; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2276 case GL2PS_BEGIN_BOUNDARY_TOKEN : boundary = GL_TRUE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2277 case GL2PS_END_BOUNDARY_TOKEN : boundary = GL_FALSE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2278 case GL2PS_END_STIPPLE_TOKEN : pattern = factor = 0; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2279 case GL2PS_BEGIN_BLEND_TOKEN : gl2ps->blending = GL_TRUE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2280 case GL2PS_END_BLEND_TOKEN : gl2ps->blending = GL_FALSE; break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2281 case GL2PS_BEGIN_STIPPLE_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2282 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2283 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2284 pattern = (GLushort)current[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2285 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2286 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2287 factor = (GLint)current[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2288 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2289 case GL2PS_SRC_BLEND_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2290 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2291 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2292 gl2ps->blendfunc[0] = (GLint)current[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2293 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2294 case GL2PS_DST_BLEND_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2295 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2296 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2297 gl2ps->blendfunc[1] = (GLint)current[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2298 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2299 case GL2PS_POINT_SIZE_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2300 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2301 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2302 psize = current[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2303 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2304 case GL2PS_LINE_WIDTH_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2305 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2306 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2307 lwidth = current[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2308 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2309 case GL2PS_IMAGEMAP_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2310 prim = (GL2PSprimitive *)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2311 prim->type = GL2PS_IMAGEMAP;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2312 prim->boundary = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2313 prim->numverts = 4;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2314 prim->verts = (GL2PSvertex *)gl2psMalloc(4 * sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2315 prim->culled = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2316 prim->offset = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2317 prim->pattern = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2318 prim->factor = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2319 prim->width = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2320
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2321 node = (GL2PSimagemap*)gl2psMalloc(sizeof(GL2PSimagemap));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2322 node->image = (GL2PSimage*)gl2psMalloc(sizeof(GL2PSimage));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2323 node->image->type = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2324 node->image->format = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2325 node->next = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2326
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2327 if(gl2ps->imagemap_head == NULL)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2328 gl2ps->imagemap_head = node;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2329 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2330 gl2ps->imagemap_tail->next = node;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2331 gl2ps->imagemap_tail = node;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2332 prim->data.image = node->image;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2333
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2334 current += 2; used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2335 i = gl2psGetVertex(&prim->verts[0], &current[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2336 current += i; used -= i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2337
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2338 node->image->width = (GLint)current[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2339 current += 2; used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2340 node->image->height = (GLint)current[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2341 prim->verts[0].xyz[0] = prim->verts[0].xyz[0] - (int)(node->image->width / 2) + 0.5F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2342 prim->verts[0].xyz[1] = prim->verts[0].xyz[1] - (int)(node->image->height / 2) + 0.5F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2343 for(i = 1; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2344 for(v = 0; v < 3; v++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2345 prim->verts[i].xyz[v] = prim->verts[0].xyz[v];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2346 prim->verts[i].rgba[v] = prim->verts[0].rgba[v];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2347 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2348 prim->verts[i].rgba[v] = prim->verts[0].rgba[v];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2349 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2350 prim->verts[1].xyz[0] = prim->verts[1].xyz[0] + node->image->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2351 prim->verts[2].xyz[0] = prim->verts[1].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2352 prim->verts[2].xyz[1] = prim->verts[2].xyz[1] + node->image->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2353 prim->verts[3].xyz[1] = prim->verts[2].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2354
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2355 sizeoffloat = sizeof(GLfloat);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2356 v = 2 * sizeoffloat;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2357 vtot = node->image->height + node->image->height *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2358 ((node->image->width - 1) / 8);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2359 node->image->pixels = (GLfloat*)gl2psMalloc(v + vtot);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2360 node->image->pixels[0] = prim->verts[0].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2361 node->image->pixels[1] = prim->verts[0].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2362
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2363 for(i = 0; i < vtot; i += sizeoffloat){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2364 current += 2; used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2365 if((vtot - i) >= 4)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2366 memcpy(&(((char*)(node->image->pixels))[i + v]), &(current[2]), sizeoffloat);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2367 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2368 memcpy(&(((char*)(node->image->pixels))[i + v]), &(current[2]), vtot - i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2369 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2370 current++; used--;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2371 gl2psListAdd(gl2ps->primitives, &prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2372 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2373 case GL2PS_DRAW_PIXELS_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2374 case GL2PS_TEXT_TOKEN :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2375 if(auxindex < gl2psListNbr(gl2ps->auxprimitives))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2376 gl2psListAdd(gl2ps->primitives,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2377 gl2psListPointer(gl2ps->auxprimitives, auxindex++));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2378 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2379 gl2psMsg(GL2PS_ERROR, "Wrong number of auxiliary tokens in buffer");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2380 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2381 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2382 current += 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2383 used -= 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2384 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2385 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2386 gl2psMsg(GL2PS_WARNING, "Unknown token in buffer");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2387 current ++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2388 used --;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2389 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2390 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2391 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2392
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2393 gl2psListReset(gl2ps->auxprimitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2394 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2395
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2396 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2397 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2398 * PostScript routines
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2399 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2400 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2401
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2402 static void gl2psWriteByte(unsigned char byte)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2403 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2404 unsigned char h = byte / 16;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2405 unsigned char l = byte % 16;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2406 gl2psPrintf("%x%x", h, l);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2407 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2408
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2409 static void gl2psPrintPostScriptPixmap(GLfloat x, GLfloat y, GL2PSimage *im)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2410 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2411 GLuint nbhex, nbyte, nrgb, nbits;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2412 GLuint row, col, ibyte, icase;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2413 GLfloat dr, dg, db, fgrey;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2414 unsigned char red = 0, green = 0, blue = 0, b, grey;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2415 GLuint width = (GLuint)im->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2416 GLuint height = (GLuint)im->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2417
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2418 /* FIXME: should we define an option for these? Or just keep the
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2419 8-bit per component case? */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2420 int greyscale = 0; /* set to 1 to output greyscale image */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2421 int nbit = 8; /* number of bits per color compoment (2, 4 or 8) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2422
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2423 if((width <= 0) || (height <= 0)) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2424
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2425 gl2psPrintf("gsave\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2426 gl2psPrintf("%.2f %.2f translate\n", x, y);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2427 gl2psPrintf("%d %d scale\n", width, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2428
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2429 if(greyscale){ /* greyscale */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2430 gl2psPrintf("/picstr %d string def\n", width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2431 gl2psPrintf("%d %d %d\n", width, height, 8);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2432 gl2psPrintf("[ %d 0 0 -%d 0 %d ]\n", width, height, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2433 gl2psPrintf("{ currentfile picstr readhexstring pop }\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2434 gl2psPrintf("image\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2435 for(row = 0; row < height; row++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2436 for(col = 0; col < width; col++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2437 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2438 fgrey = (0.30F * dr + 0.59F * dg + 0.11F * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2439 grey = (unsigned char)(255. * fgrey);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2440 gl2psWriteByte(grey);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2441 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2442 gl2psPrintf("\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2443 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2444 nbhex = width * height * 2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2445 gl2psPrintf("%%%% nbhex digit :%d\n", nbhex);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2446 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2447 else if(nbit == 2){ /* color, 2 bits for r and g and b; rgbs following each other */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2448 nrgb = width * 3;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2449 nbits = nrgb * nbit;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2450 nbyte = nbits / 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2451 if((nbyte * 8) != nbits) nbyte++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2452 gl2psPrintf("/rgbstr %d string def\n", nbyte);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2453 gl2psPrintf("%d %d %d\n", width, height, nbit);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2454 gl2psPrintf("[ %d 0 0 -%d 0 %d ]\n", width, height, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2455 gl2psPrintf("{ currentfile rgbstr readhexstring pop }\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2456 gl2psPrintf("false 3\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2457 gl2psPrintf("colorimage\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2458 for(row = 0; row < height; row++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2459 icase = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2460 col = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2461 b = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2462 for(ibyte = 0; ibyte < nbyte; ibyte++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2463 if(icase == 1) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2464 if(col < width) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2465 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2466 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2467 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2468 dr = dg = db = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2469 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2470 col++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2471 red = (unsigned char)(3. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2472 green = (unsigned char)(3. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2473 blue = (unsigned char)(3. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2474 b = red;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2475 b = (b<<2) + green;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2476 b = (b<<2) + blue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2477 if(col < width) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2478 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2479 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2480 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2481 dr = dg = db = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2482 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2483 col++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2484 red = (unsigned char)(3. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2485 green = (unsigned char)(3. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2486 blue = (unsigned char)(3. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2487 b = (b<<2) + red;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2488 gl2psWriteByte(b);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2489 b = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2490 icase++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2491 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2492 else if(icase == 2) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2493 b = green;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2494 b = (b<<2) + blue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2495 if(col < width) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2496 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2497 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2498 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2499 dr = dg = db = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2500 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2501 col++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2502 red = (unsigned char)(3. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2503 green = (unsigned char)(3. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2504 blue = (unsigned char)(3. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2505 b = (b<<2) + red;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2506 b = (b<<2) + green;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2507 gl2psWriteByte(b);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2508 b = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2509 icase++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2510 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2511 else if(icase == 3) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2512 b = blue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2513 if(col < width) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2514 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2515 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2516 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2517 dr = dg = db = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2518 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2519 col++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2520 red = (unsigned char)(3. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2521 green = (unsigned char)(3. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2522 blue = (unsigned char)(3. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2523 b = (b<<2) + red;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2524 b = (b<<2) + green;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2525 b = (b<<2) + blue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2526 gl2psWriteByte(b);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2527 b = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2528 icase = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2529 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2530 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2531 gl2psPrintf("\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2532 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2533 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2534 else if(nbit == 4){ /* color, 4 bits for r and g and b; rgbs following each other */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2535 nrgb = width * 3;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2536 nbits = nrgb * nbit;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2537 nbyte = nbits / 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2538 if((nbyte * 8) != nbits) nbyte++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2539 gl2psPrintf("/rgbstr %d string def\n", nbyte);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2540 gl2psPrintf("%d %d %d\n", width, height, nbit);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2541 gl2psPrintf("[ %d 0 0 -%d 0 %d ]\n", width, height, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2542 gl2psPrintf("{ currentfile rgbstr readhexstring pop }\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2543 gl2psPrintf("false 3\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2544 gl2psPrintf("colorimage\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2545 for(row = 0; row < height; row++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2546 col = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2547 icase = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2548 for(ibyte = 0; ibyte < nbyte; ibyte++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2549 if(icase == 1) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2550 if(col < width) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2551 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2552 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2553 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2554 dr = dg = db = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2555 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2556 col++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2557 red = (unsigned char)(15. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2558 green = (unsigned char)(15. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2559 gl2psPrintf("%x%x", red, green);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2560 icase++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2561 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2562 else if(icase == 2) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2563 blue = (unsigned char)(15. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2564 if(col < width) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2565 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2566 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2567 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2568 dr = dg = db = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2569 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2570 col++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2571 red = (unsigned char)(15. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2572 gl2psPrintf("%x%x", blue, red);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2573 icase++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2574 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2575 else if(icase == 3) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2576 green = (unsigned char)(15. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2577 blue = (unsigned char)(15. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2578 gl2psPrintf("%x%x", green, blue);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2579 icase = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2580 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2581 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2582 gl2psPrintf("\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2583 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2584 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2585 else{ /* 8 bit for r and g and b */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2586 nbyte = width * 3;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2587 gl2psPrintf("/rgbstr %d string def\n", nbyte);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2588 gl2psPrintf("%d %d %d\n", width, height, 8);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2589 gl2psPrintf("[ %d 0 0 -%d 0 %d ]\n", width, height, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2590 gl2psPrintf("{ currentfile rgbstr readhexstring pop }\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2591 gl2psPrintf("false 3\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2592 gl2psPrintf("colorimage\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2593 for(row = 0; row < height; row++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2594 for(col = 0; col < width; col++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2595 gl2psGetRGB(im, col, row, &dr, &dg, &db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2596 red = (unsigned char)(255. * dr);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2597 gl2psWriteByte(red);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2598 green = (unsigned char)(255. * dg);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2599 gl2psWriteByte(green);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2600 blue = (unsigned char)(255. * db);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2601 gl2psWriteByte(blue);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2602 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2603 gl2psPrintf("\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2604 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2605 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2606
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2607 gl2psPrintf("grestore\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2608 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2609
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2610 static void gl2psPrintPostScriptImagemap(GLfloat x, GLfloat y,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2611 GLsizei width, GLsizei height,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2612 const unsigned char *imagemap){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2613 int i, size;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2614
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2615 if((width <= 0) || (height <= 0)) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2616
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2617 size = height + height * (width - 1) / 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2618
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2619 gl2psPrintf("gsave\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2620 gl2psPrintf("%.2f %.2f translate\n", x, y);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2621 gl2psPrintf("%d %d scale\n%d %d\ntrue\n", width, height,width, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2622 gl2psPrintf("[ %d 0 0 -%d 0 %d ] {<", width, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2623 for(i = 0; i < size; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2624 gl2psWriteByte(*imagemap);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2625 imagemap++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2626 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2627 gl2psPrintf(">} imagemask\ngrestore\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2628 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2629
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2630 static void gl2psPrintPostScriptHeader(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2631 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2632 time_t now;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2633
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2634 /* Since compression is not part of the PostScript standard,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2635 compressed PostScript files are just gzipped PostScript files
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2636 ("ps.gz" or "eps.gz") */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2637 gl2psPrintGzipHeader();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2638
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2639 time(&now);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2640
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2641 if(gl2ps->format == GL2PS_PS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2642 gl2psPrintf("%%!PS-Adobe-3.0\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2643 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2644 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2645 gl2psPrintf("%%!PS-Adobe-3.0 EPSF-3.0\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2646 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2647
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2648 gl2psPrintf("%%%%Title: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2649 "%%%%Creator: GL2PS %d.%d.%d%s, %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2650 "%%%%For: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2651 "%%%%CreationDate: %s"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2652 "%%%%LanguageLevel: 3\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2653 "%%%%DocumentData: Clean7Bit\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2654 "%%%%Pages: 1\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2655 gl2ps->title, GL2PS_MAJOR_VERSION, GL2PS_MINOR_VERSION,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2656 GL2PS_PATCH_VERSION, GL2PS_EXTRA_VERSION, GL2PS_COPYRIGHT,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2657 gl2ps->producer, ctime(&now));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2658
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2659 if(gl2ps->format == GL2PS_PS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2660 gl2psPrintf("%%%%Orientation: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2661 "%%%%DocumentMedia: Default %d %d 0 () ()\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2662 (gl2ps->options & GL2PS_LANDSCAPE) ? "Landscape" : "Portrait",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2663 (gl2ps->options & GL2PS_LANDSCAPE) ? (int)gl2ps->viewport[3] :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2664 (int)gl2ps->viewport[2],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2665 (gl2ps->options & GL2PS_LANDSCAPE) ? (int)gl2ps->viewport[2] :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2666 (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2667 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2668
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2669 gl2psPrintf("%%%%BoundingBox: %d %d %d %d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2670 "%%%%EndComments\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2671 (gl2ps->options & GL2PS_LANDSCAPE) ? (int)gl2ps->viewport[1] :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2672 (int)gl2ps->viewport[0],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2673 (gl2ps->options & GL2PS_LANDSCAPE) ? (int)gl2ps->viewport[0] :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2674 (int)gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2675 (gl2ps->options & GL2PS_LANDSCAPE) ? (int)gl2ps->viewport[3] :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2676 (int)gl2ps->viewport[2],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2677 (gl2ps->options & GL2PS_LANDSCAPE) ? (int)gl2ps->viewport[2] :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2678 (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2679
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2680 /* RGB color: r g b C (replace C by G in output to change from rgb to gray)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2681 Grayscale: r g b G
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2682 Font choose: size fontname FC
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2683 Text string: (string) x y size fontname S??
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2684 Rotated text string: (string) angle x y size fontname S??R
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2685 Point primitive: x y size P
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2686 Line width: width W
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2687 Line start: x y LS
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2688 Line joining last point: x y L
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2689 Line end: x y LE
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2690 Flat-shaded triangle: x3 y3 x2 y2 x1 y1 T
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2691 Smooth-shaded triangle: x3 y3 r3 g3 b3 x2 y2 r2 g2 b2 x1 y1 r1 g1 b1 ST */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2692
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2693 gl2psPrintf("%%%%BeginProlog\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2694 "/gl2psdict 64 dict def gl2psdict begin\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2695 "0 setlinecap 0 setlinejoin\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2696 "/tryPS3shading %s def %% set to false to force subdivision\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2697 "/rThreshold %g def %% red component subdivision threshold\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2698 "/gThreshold %g def %% green component subdivision threshold\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2699 "/bThreshold %g def %% blue component subdivision threshold\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2700 (gl2ps->options & GL2PS_NO_PS3_SHADING) ? "false" : "true",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2701 gl2ps->threshold[0], gl2ps->threshold[1], gl2ps->threshold[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2702
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2703 gl2psPrintf("/BD { bind def } bind def\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2704 "/C { setrgbcolor } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2705 "/G { 0.082 mul exch 0.6094 mul add exch 0.3086 mul add neg 1.0 add setgray } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2706 "/W { setlinewidth } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2707
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2708 gl2psPrintf("/FC { findfont exch /SH exch def SH scalefont setfont } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2709 "/SW { dup stringwidth pop } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2710 "/S { FC moveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2711 "/SBC{ FC moveto SW -2 div 0 rmoveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2712 "/SBR{ FC moveto SW neg 0 rmoveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2713 "/SCL{ FC moveto 0 SH -2 div rmoveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2714 "/SCC{ FC moveto SW -2 div SH -2 div rmoveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2715 "/SCR{ FC moveto SW neg SH -2 div rmoveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2716 "/STL{ FC moveto 0 SH neg rmoveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2717 "/STC{ FC moveto SW -2 div SH neg rmoveto show } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2718 "/STR{ FC moveto SW neg SH neg rmoveto show } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2719
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2720 /* rotated text routines: same nameanem with R appended */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2721
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2722 gl2psPrintf("/FCT { FC translate 0 0 } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2723 "/SR { gsave FCT moveto rotate show grestore } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2724 "/SBCR{ gsave FCT moveto rotate SW -2 div 0 rmoveto show grestore } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2725 "/SBRR{ gsave FCT moveto rotate SW neg 0 rmoveto show grestore } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2726 "/SCLR{ gsave FCT moveto rotate 0 SH -2 div rmoveto show grestore} BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2727 gl2psPrintf("/SCCR{ gsave FCT moveto rotate SW -2 div SH -2 div rmoveto show grestore} BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2728 "/SCRR{ gsave FCT moveto rotate SW neg SH -2 div rmoveto show grestore} BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2729 "/STLR{ gsave FCT moveto rotate 0 SH neg rmoveto show grestore } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2730 "/STCR{ gsave FCT moveto rotate SW -2 div SH neg rmoveto show grestore } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2731 "/STRR{ gsave FCT moveto rotate SW neg SH neg rmoveto show grestore } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2732
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2733 gl2psPrintf("/P { newpath 0.0 360.0 arc closepath fill } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2734 "/LS { newpath moveto } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2735 "/L { lineto } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2736 "/LE { lineto stroke } BD\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2737 "/T { newpath moveto lineto lineto closepath fill } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2738
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2739 /* Smooth-shaded triangle with PostScript level 3 shfill operator:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2740 x3 y3 r3 g3 b3 x2 y2 r2 g2 b2 x1 y1 r1 g1 b1 STshfill */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2741
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2742 gl2psPrintf("/STshfill {\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2743 " /b1 exch def /g1 exch def /r1 exch def /y1 exch def /x1 exch def\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2744 " /b2 exch def /g2 exch def /r2 exch def /y2 exch def /x2 exch def\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2745 " /b3 exch def /g3 exch def /r3 exch def /y3 exch def /x3 exch def\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2746 " gsave << /ShadingType 4 /ColorSpace [/DeviceRGB]\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2747 " /DataSource [ 0 x1 y1 r1 g1 b1 0 x2 y2 r2 g2 b2 0 x3 y3 r3 g3 b3 ] >>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2748 " shfill grestore } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2749
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2750 /* Flat-shaded triangle with middle color:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2751 x3 y3 r3 g3 b3 x2 y2 r2 g2 b2 x1 y1 r1 g1 b1 Tm */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2752
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2753 gl2psPrintf(/* stack : x3 y3 r3 g3 b3 x2 y2 r2 g2 b2 x1 y1 r1 g1 b1 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2754 "/Tm { 3 -1 roll 8 -1 roll 13 -1 roll add add 3 div\n" /* r = (r1+r2+r3)/3 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2755 /* stack : x3 y3 g3 b3 x2 y2 g2 b2 x1 y1 g1 b1 r */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2756 " 3 -1 roll 7 -1 roll 11 -1 roll add add 3 div\n" /* g = (g1+g2+g3)/3 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2757 /* stack : x3 y3 b3 x2 y2 b2 x1 y1 b1 r g b */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2758 " 3 -1 roll 6 -1 roll 9 -1 roll add add 3 div" /* b = (b1+b2+b3)/3 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2759 /* stack : x3 y3 x2 y2 x1 y1 r g b */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2760 " C T } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2761
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2762 /* Split triangle in four sub-triangles (at sides middle points) and call the
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2763 STnoshfill procedure on each, interpolating the colors in RGB space:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2764 x3 y3 r3 g3 b3 x2 y2 r2 g2 b2 x1 y1 r1 g1 b1 STsplit
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2765 (in procedure comments key: (Vi) = xi yi ri gi bi) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2766
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2767 gl2psPrintf("/STsplit {\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2768 " 4 index 15 index add 0.5 mul\n" /* x13 = (x1+x3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2769 " 4 index 15 index add 0.5 mul\n" /* y13 = (y1+y3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2770 " 4 index 15 index add 0.5 mul\n" /* r13 = (r1+r3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2771 " 4 index 15 index add 0.5 mul\n" /* g13 = (g1+g3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2772 " 4 index 15 index add 0.5 mul\n" /* b13 = (b1+b3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2773 " 5 copy 5 copy 25 15 roll\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2774
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2775 /* at his point, stack = (V3) (V13) (V13) (V13) (V2) (V1) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2776
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2777 gl2psPrintf(" 9 index 30 index add 0.5 mul\n" /* x23 = (x2+x3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2778 " 9 index 30 index add 0.5 mul\n" /* y23 = (y2+y3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2779 " 9 index 30 index add 0.5 mul\n" /* r23 = (r2+r3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2780 " 9 index 30 index add 0.5 mul\n" /* g23 = (g2+g3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2781 " 9 index 30 index add 0.5 mul\n" /* b23 = (b2+b3)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2782 " 5 copy 5 copy 35 5 roll 25 5 roll 15 5 roll\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2783
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2784 /* stack = (V3) (V13) (V23) (V13) (V23) (V13) (V23) (V2) (V1) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2785
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2786 gl2psPrintf(" 4 index 10 index add 0.5 mul\n" /* x12 = (x1+x2)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2787 " 4 index 10 index add 0.5 mul\n" /* y12 = (y1+y2)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2788 " 4 index 10 index add 0.5 mul\n" /* r12 = (r1+r2)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2789 " 4 index 10 index add 0.5 mul\n" /* g12 = (g1+g2)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2790 " 4 index 10 index add 0.5 mul\n" /* b12 = (b1+b2)/2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2791 " 5 copy 5 copy 40 5 roll 25 5 roll 15 5 roll 25 5 roll\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2792
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2793 /* stack = (V3) (V13) (V23) (V13) (V12) (V23) (V13) (V1) (V12) (V23) (V12) (V2) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2794
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2795 gl2psPrintf(" STnoshfill STnoshfill STnoshfill STnoshfill } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2796
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2797 /* Gouraud shaded triangle using recursive subdivision until the difference
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2798 between corner colors does not exceed the thresholds:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2799 x3 y3 r3 g3 b3 x2 y2 r2 g2 b2 x1 y1 r1 g1 b1 STnoshfill */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2800
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2801 gl2psPrintf("/STnoshfill {\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2802 " 2 index 8 index sub abs rThreshold gt\n" /* |r1-r2|>rth */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2803 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2804 " { 1 index 7 index sub abs gThreshold gt\n" /* |g1-g2|>gth */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2805 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2806 " { dup 6 index sub abs bThreshold gt\n" /* |b1-b2|>bth */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2807 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2808 " { 2 index 13 index sub abs rThreshold gt\n" /* |r1-r3|>rht */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2809 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2810 " { 1 index 12 index sub abs gThreshold gt\n" /* |g1-g3|>gth */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2811 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2812 " { dup 11 index sub abs bThreshold gt\n" /* |b1-b3|>bth */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2813 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2814 " { 7 index 13 index sub abs rThreshold gt\n"); /* |r2-r3|>rht */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2815 gl2psPrintf(" { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2816 " { 6 index 12 index sub abs gThreshold gt\n" /* |g2-g3|>gth */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2817 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2818 " { 5 index 11 index sub abs bThreshold gt\n" /* |b2-b3|>bth */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2819 " { STsplit }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2820 " { Tm }\n" /* all colors sufficiently similar */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2821 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2822 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2823 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2824 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2825 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2826 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2827 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2828 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2829 " ifelse } BD\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2830
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2831 gl2psPrintf("tryPS3shading\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2832 "{ /shfill where\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2833 " { /ST { STshfill } BD }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2834 " { /ST { STnoshfill } BD }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2835 " ifelse }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2836 "{ /ST { STnoshfill } BD }\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2837 "ifelse\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2838
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2839 gl2psPrintf("end\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2840 "%%%%EndProlog\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2841 "%%%%BeginSetup\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2842 "/DeviceRGB setcolorspace\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2843 "gl2psdict begin\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2844 "%%%%EndSetup\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2845 "%%%%Page: 1 1\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2846 "%%%%BeginPageSetup\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2847
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2848 if(gl2ps->options & GL2PS_LANDSCAPE){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2849 gl2psPrintf("%d 0 translate 90 rotate\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2850 (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2851 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2852
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2853 gl2psPrintf("%%%%EndPageSetup\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2854 "mark\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2855 "gsave\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2856 "1.0 1.0 scale\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2857
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2858 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2859 gl2psPrintf("%g %g %g C\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2860 "newpath %d %d moveto %d %d lineto %d %d lineto %d %d lineto\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2861 "closepath fill\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2862 gl2ps->bgcolor[0], gl2ps->bgcolor[1], gl2ps->bgcolor[2],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2863 (int)gl2ps->viewport[0], (int)gl2ps->viewport[1], (int)gl2ps->viewport[2],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2864 (int)gl2ps->viewport[1], (int)gl2ps->viewport[2], (int)gl2ps->viewport[3],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2865 (int)gl2ps->viewport[0], (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2866 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2867 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2868
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2869 static void gl2psPrintPostScriptColor(GL2PSrgba rgba)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2870 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2871 if(!gl2psSameColor(gl2ps->lastrgba, rgba)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2872 gl2psSetLastColor(rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2873 gl2psPrintf("%g %g %g C\n", rgba[0], rgba[1], rgba[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2874 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2875 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2876
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2877 static void gl2psResetPostScriptColor(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2878 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2879 gl2ps->lastrgba[0] = gl2ps->lastrgba[1] = gl2ps->lastrgba[2] = -1.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2880 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2881
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2882 static void gl2psEndPostScriptLine(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2883 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2884 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2885 if(gl2ps->lastvertex.rgba[0] >= 0.){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2886 gl2psPrintf("%g %g LE\n", gl2ps->lastvertex.xyz[0], gl2ps->lastvertex.xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2887 for(i = 0; i < 3; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2888 gl2ps->lastvertex.xyz[i] = -1.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2889 for(i = 0; i < 4; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2890 gl2ps->lastvertex.rgba[i] = -1.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2891 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2892 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2893
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2894 static void gl2psParseStipplePattern(GLushort pattern, GLint factor,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2895 int *nb, int array[10])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2896 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2897 int i, n;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2898 int on[8] = {0, 0, 0, 0, 0, 0, 0, 0};
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2899 int off[8] = {0, 0, 0, 0, 0, 0, 0, 0};
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2900 char tmp[16];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2901
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2902 /* extract the 16 bits from the OpenGL stipple pattern */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2903 for(n = 15; n >= 0; n--){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2904 tmp[n] = (char)(pattern & 0x01);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2905 pattern >>= 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2906 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2907 /* compute the on/off pixel sequence */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2908 n = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2909 for(i = 0; i < 8; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2910 while(n < 16 && !tmp[n]){ off[i]++; n++; }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2911 while(n < 16 && tmp[n]){ on[i]++; n++; }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2912 if(n >= 15){ i++; break; }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2913 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2914
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2915 /* store the on/off array from right to left, starting with off
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2916 pixels. The PostScript specification allows for at most 11
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2917 elements in the on/off array, so we limit ourselves to 5 on/off
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2918 couples (our longest possible array is thus [on4 off4 on3 off3
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2919 on2 off2 on1 off1 on0 off0]) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2920 *nb = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2921 for(n = i - 1; n >= 0; n--){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2922 array[(*nb)++] = factor * on[n];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2923 array[(*nb)++] = factor * off[n];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2924 if(*nb == 10) break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2925 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2926 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2927
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2928 static int gl2psPrintPostScriptDash(GLushort pattern, GLint factor, const char *str)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2929 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2930 int len = 0, i, n, array[10];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2931
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2932 if(pattern == gl2ps->lastpattern && factor == gl2ps->lastfactor)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2933 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2934
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2935 gl2ps->lastpattern = pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2936 gl2ps->lastfactor = factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2937
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2938 if(!pattern || !factor){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2939 /* solid line */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2940 len += gl2psPrintf("[] 0 %s\n", str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2941 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2942 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2943 gl2psParseStipplePattern(pattern, factor, &n, array);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2944 len += gl2psPrintf("[");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2945 for(i = 0; i < n; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2946 if(i) len += gl2psPrintf(" ");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2947 len += gl2psPrintf("%d", array[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2948 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2949 len += gl2psPrintf("] 0 %s\n", str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2950 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2951
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2952 return len;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2953 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2954
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2955 static void gl2psPrintPostScriptPrimitive(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2956 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2957 int newline;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2958 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2959
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2960 prim = *(GL2PSprimitive**)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2961
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2962 if((gl2ps->options & GL2PS_OCCLUSION_CULL) && prim->culled) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2963
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2964 /* Every effort is made to draw lines as connected segments (i.e.,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2965 using a single PostScript path): this is the only way to get nice
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2966 line joins and to not restart the stippling for every line
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2967 segment. So if the primitive to print is not a line we must first
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2968 finish the current line (if any): */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2969 if(prim->type != GL2PS_LINE) gl2psEndPostScriptLine();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2970
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2971 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2972 case GL2PS_POINT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2973 gl2psPrintPostScriptColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2974 gl2psPrintf("%g %g %g P\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2975 prim->verts[0].xyz[0], prim->verts[0].xyz[1], 0.5 * prim->width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2976 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2977 case GL2PS_LINE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2978 if(!gl2psSamePosition(gl2ps->lastvertex.xyz, prim->verts[0].xyz) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2979 !gl2psSameColor(gl2ps->lastrgba, prim->verts[0].rgba) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2980 gl2ps->lastlinewidth != prim->width ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2981 gl2ps->lastpattern != prim->pattern ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2982 gl2ps->lastfactor != prim->factor){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2983 /* End the current line if the new segment does not start where
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2984 the last one ended, or if the color, the width or the
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2985 stippling have changed (multi-stroking lines with changing
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2986 colors is necessary until we use /shfill for lines;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2987 unfortunately this means that at the moment we can screw up
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2988 line stippling for smooth-shaded lines) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2989 gl2psEndPostScriptLine();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2990 newline = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2991 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2992 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2993 newline = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2994 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2995 if(gl2ps->lastlinewidth != prim->width){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2996 gl2ps->lastlinewidth = prim->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2997 gl2psPrintf("%g W\n", gl2ps->lastlinewidth);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2998 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
2999 gl2psPrintPostScriptDash(prim->pattern, prim->factor, "setdash");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3000 gl2psPrintPostScriptColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3001 gl2psPrintf("%g %g %s\n", prim->verts[0].xyz[0], prim->verts[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3002 newline ? "LS" : "L");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3003 gl2ps->lastvertex = prim->verts[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3004 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3005 case GL2PS_TRIANGLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3006 if(!gl2psVertsSameColor(prim)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3007 gl2psResetPostScriptColor();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3008 gl2psPrintf("%g %g %g %g %g %g %g %g %g %g %g %g %g %g %g ST\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3009 prim->verts[2].xyz[0], prim->verts[2].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3010 prim->verts[2].rgba[0], prim->verts[2].rgba[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3011 prim->verts[2].rgba[2], prim->verts[1].xyz[0],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3012 prim->verts[1].xyz[1], prim->verts[1].rgba[0],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3013 prim->verts[1].rgba[1], prim->verts[1].rgba[2],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3014 prim->verts[0].xyz[0], prim->verts[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3015 prim->verts[0].rgba[0], prim->verts[0].rgba[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3016 prim->verts[0].rgba[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3017 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3018 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3019 gl2psPrintPostScriptColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3020 gl2psPrintf("%g %g %g %g %g %g T\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3021 prim->verts[2].xyz[0], prim->verts[2].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3022 prim->verts[1].xyz[0], prim->verts[1].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3023 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3024 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3025 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3026 case GL2PS_QUADRANGLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3027 gl2psMsg(GL2PS_WARNING, "There should not be any quad left to print");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3028 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3029 case GL2PS_PIXMAP :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3030 gl2psPrintPostScriptPixmap(prim->verts[0].xyz[0], prim->verts[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3031 prim->data.image);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3032 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3033 case GL2PS_IMAGEMAP :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3034 if(prim->data.image->type != GL2PS_IMAGEMAP_WRITTEN){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3035 gl2psPrintPostScriptColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3036 gl2psPrintPostScriptImagemap(prim->data.image->pixels[0],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3037 prim->data.image->pixels[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3038 prim->data.image->width, prim->data.image->height,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3039 (const unsigned char*)(&(prim->data.image->pixels[2])));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3040 prim->data.image->type = GL2PS_IMAGEMAP_WRITTEN;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3041 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3042 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3043 case GL2PS_TEXT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3044 gl2psPrintPostScriptColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3045 gl2psPrintf("(%s) ", prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3046 if(prim->data.text->angle)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3047 gl2psPrintf("%g ", prim->data.text->angle);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3048 gl2psPrintf("%g %g %d /%s ",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3049 prim->verts[0].xyz[0], prim->verts[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3050 prim->data.text->fontsize, prim->data.text->fontname);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3051 switch(prim->data.text->alignment){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3052 case GL2PS_TEXT_C:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3053 gl2psPrintf(prim->data.text->angle ? "SCCR\n" : "SCC\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3054 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3055 case GL2PS_TEXT_CL:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3056 gl2psPrintf(prim->data.text->angle ? "SCLR\n" : "SCL\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3057 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3058 case GL2PS_TEXT_CR:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3059 gl2psPrintf(prim->data.text->angle ? "SCRR\n" : "SCR\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3060 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3061 case GL2PS_TEXT_B:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3062 gl2psPrintf(prim->data.text->angle ? "SBCR\n" : "SBC\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3063 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3064 case GL2PS_TEXT_BR:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3065 gl2psPrintf(prim->data.text->angle ? "SBRR\n" : "SBR\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3066 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3067 case GL2PS_TEXT_T:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3068 gl2psPrintf(prim->data.text->angle ? "STCR\n" : "STC\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3069 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3070 case GL2PS_TEXT_TL:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3071 gl2psPrintf(prim->data.text->angle ? "STLR\n" : "STL\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3072 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3073 case GL2PS_TEXT_TR:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3074 gl2psPrintf(prim->data.text->angle ? "STRR\n" : "STR\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3075 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3076 case GL2PS_TEXT_BL:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3077 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3078 gl2psPrintf(prim->data.text->angle ? "SR\n" : "S\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3079 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3080 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3081 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3082 case GL2PS_SPECIAL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3083 /* alignment contains the format for which the special output text
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3084 is intended */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3085 if(prim->data.text->alignment == GL2PS_PS ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3086 prim->data.text->alignment == GL2PS_EPS)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3087 gl2psPrintf("%s\n", prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3088 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3089 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3090 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3091 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3092 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3093
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3094 static void gl2psPrintPostScriptFooter(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3095 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3096 gl2psPrintf("grestore\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3097 "showpage\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3098 "cleartomark\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3099 "%%%%PageTrailer\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3100 "%%%%Trailer\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3101 "end\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3102 "%%%%EOF\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3103
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3104 gl2psPrintGzipFooter();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3105 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3106
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3107 static void gl2psPrintPostScriptBeginViewport(GLint viewport[4])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3108 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3109 GLint index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3110 GLfloat rgba[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3111 int x = viewport[0], y = viewport[1], w = viewport[2], h = viewport[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3112
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3113 glRenderMode(GL_FEEDBACK);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3114
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3115 if(gl2ps->header){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3116 gl2psPrintPostScriptHeader();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3117 gl2ps->header = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3118 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3119
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3120 gl2psPrintf("gsave\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3121 "1.0 1.0 scale\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3122
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3123 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3124 if(gl2ps->colormode == GL_RGBA || gl2ps->colorsize == 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3125 glGetFloatv(GL_COLOR_CLEAR_VALUE, rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3126 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3127 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3128 glGetIntegerv(GL_INDEX_CLEAR_VALUE, &index);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3129 rgba[0] = gl2ps->colormap[index][0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3130 rgba[1] = gl2ps->colormap[index][1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3131 rgba[2] = gl2ps->colormap[index][2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3132 rgba[3] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3133 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3134 gl2psPrintf("%g %g %g C\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3135 "newpath %d %d moveto %d %d lineto %d %d lineto %d %d lineto\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3136 "closepath fill\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3137 rgba[0], rgba[1], rgba[2],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3138 x, y, x+w, y, x+w, y+h, x, y+h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3139 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3140
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3141 gl2psPrintf("newpath %d %d moveto %d %d lineto %d %d lineto %d %d lineto\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3142 "closepath clip\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3143 x, y, x+w, y, x+w, y+h, x, y+h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3144
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3145 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3146
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3147 static GLint gl2psPrintPostScriptEndViewport(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3148 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3149 GLint res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3150
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3151 res = gl2psPrintPrimitives();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3152 gl2psPrintf("grestore\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3153 return res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3154 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3155
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3156 static void gl2psPrintPostScriptFinalPrimitive(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3157 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3158 /* End any remaining line, if any */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3159 gl2psEndPostScriptLine();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3160 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3161
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3162 /* definition of the PostScript and Encapsulated PostScript backends */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3163
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3164 static GL2PSbackend gl2psPS = {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3165 gl2psPrintPostScriptHeader,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3166 gl2psPrintPostScriptFooter,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3167 gl2psPrintPostScriptBeginViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3168 gl2psPrintPostScriptEndViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3169 gl2psPrintPostScriptPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3170 gl2psPrintPostScriptFinalPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3171 "ps",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3172 "Postscript"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3173 };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3174
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3175 static GL2PSbackend gl2psEPS = {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3176 gl2psPrintPostScriptHeader,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3177 gl2psPrintPostScriptFooter,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3178 gl2psPrintPostScriptBeginViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3179 gl2psPrintPostScriptEndViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3180 gl2psPrintPostScriptPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3181 gl2psPrintPostScriptFinalPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3182 "eps",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3183 "Encapsulated Postscript"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3184 };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3185
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3186 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3187 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3188 * LaTeX routines
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3189 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3190 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3191
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3192 static void gl2psPrintTeXHeader(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3193 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3194 char name[256];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3195 time_t now;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3196 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3197
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3198 if(gl2ps->filename && strlen(gl2ps->filename) < 256){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3199 for(i = strlen(gl2ps->filename)-1; i >= 0; i--){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3200 if(gl2ps->filename[i] == '.'){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3201 strncpy(name, gl2ps->filename, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3202 name[i] = '\0';
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3203 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3204 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3205 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3206 if(i <= 0) strcpy(name, gl2ps->filename);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3207 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3208 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3209 strcpy(name, "untitled");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3210 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3211
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3212 time(&now);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3213
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3214 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3215 "%% Title: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3216 "%% Creator: GL2PS %d.%d.%d%s, %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3217 "%% For: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3218 "%% CreationDate: %s",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3219 gl2ps->title, GL2PS_MAJOR_VERSION, GL2PS_MINOR_VERSION,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3220 GL2PS_PATCH_VERSION, GL2PS_EXTRA_VERSION, GL2PS_COPYRIGHT,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3221 gl2ps->producer, ctime(&now));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3222
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3223 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3224 "\\setlength{\\unitlength}{1pt}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3225 "\\begin{picture}(0,0)\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3226 "\\includegraphics{%s}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3227 "\\end{picture}%%\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3228 "%s\\begin{picture}(%d,%d)(0,0)\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3229 name, (gl2ps->options & GL2PS_LANDSCAPE) ? "\\rotatebox{90}{" : "",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3230 (int)gl2ps->viewport[2], (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3231 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3232
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3233 static void gl2psPrintTeXPrimitive(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3234 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3235 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3236
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3237 prim = *(GL2PSprimitive**)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3238
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3239 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3240 case GL2PS_TEXT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3241 fprintf(gl2ps->stream, "\\fontsize{%d}{0}\n\\selectfont",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3242 prim->data.text->fontsize);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3243 fprintf(gl2ps->stream, "\\put(%g,%g){\\makebox(0,0)",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3244 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3245 switch(prim->data.text->alignment){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3246 case GL2PS_TEXT_C:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3247 fprintf(gl2ps->stream, "{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3248 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3249 case GL2PS_TEXT_CL:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3250 fprintf(gl2ps->stream, "[l]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3251 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3252 case GL2PS_TEXT_CR:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3253 fprintf(gl2ps->stream, "[r]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3254 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3255 case GL2PS_TEXT_B:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3256 fprintf(gl2ps->stream, "[b]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3257 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3258 case GL2PS_TEXT_BR:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3259 fprintf(gl2ps->stream, "[br]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3260 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3261 case GL2PS_TEXT_T:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3262 fprintf(gl2ps->stream, "[t]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3263 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3264 case GL2PS_TEXT_TL:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3265 fprintf(gl2ps->stream, "[tl]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3266 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3267 case GL2PS_TEXT_TR:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3268 fprintf(gl2ps->stream, "[tr]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3269 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3270 case GL2PS_TEXT_BL:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3271 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3272 fprintf(gl2ps->stream, "[bl]{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3273 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3274 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3275 if(prim->data.text->angle)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3276 fprintf(gl2ps->stream, "\\rotatebox{%g}{", prim->data.text->angle);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3277 fprintf(gl2ps->stream, "\\textcolor[rgb]{%g,%g,%g}{{%s}}",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3278 prim->verts[0].rgba[0], prim->verts[0].rgba[1], prim->verts[0].rgba[2],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3279 prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3280 if(prim->data.text->angle)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3281 fprintf(gl2ps->stream, "}");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3282 fprintf(gl2ps->stream, "}}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3283 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3284 case GL2PS_SPECIAL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3285 /* alignment contains the format for which the special output text
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3286 is intended */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3287 if (prim->data.text->alignment == GL2PS_TEX)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3288 fprintf(gl2ps->stream, "%s\n", prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3289 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3290 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3291 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3292 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3293 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3294
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3295 static void gl2psPrintTeXFooter(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3296 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3297 fprintf(gl2ps->stream, "\\end{picture}%s\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3298 (gl2ps->options & GL2PS_LANDSCAPE) ? "}" : "");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3299 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3300
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3301 static void gl2psPrintTeXBeginViewport(GLint viewport[4])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3302 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3303 glRenderMode(GL_FEEDBACK);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3304
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3305 if(gl2ps->header){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3306 gl2psPrintTeXHeader();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3307 gl2ps->header = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3308 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3309 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3310
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3311 static GLint gl2psPrintTeXEndViewport(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3312 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3313 return gl2psPrintPrimitives();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3314 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3315
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3316 static void gl2psPrintTeXFinalPrimitive(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3317 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3318 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3319
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3320 /* definition of the LaTeX backend */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3321
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3322 static GL2PSbackend gl2psTEX = {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3323 gl2psPrintTeXHeader,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3324 gl2psPrintTeXFooter,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3325 gl2psPrintTeXBeginViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3326 gl2psPrintTeXEndViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3327 gl2psPrintTeXPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3328 gl2psPrintTeXFinalPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3329 "tex",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3330 "LaTeX text"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3331 };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3332
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3333 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3334 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3335 * PDF routines
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3336 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3337 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3338
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3339 static int gl2psPrintPDFCompressorType(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3340 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3341 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3342 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3343 return fprintf(gl2ps->stream, "/Filter [/FlateDecode]\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3344 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3345 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3346 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3347 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3348
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3349 static int gl2psPrintPDFStrokeColor(GL2PSrgba rgba)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3350 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3351 int i, offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3352
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3353 gl2psSetLastColor(rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3354 for(i = 0; i < 3; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3355 if(GL2PS_ZERO(rgba[i]))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3356 offs += gl2psPrintf("%.0f ", 0.);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3357 else if(rgba[i] < 1e-4 || rgba[i] > 1e6) /* avoid %e formatting */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3358 offs += gl2psPrintf("%f ", rgba[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3359 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3360 offs += gl2psPrintf("%g ", rgba[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3361 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3362 offs += gl2psPrintf("RG\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3363 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3364 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3365
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3366 static int gl2psPrintPDFFillColor(GL2PSrgba rgba)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3367 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3368 int i, offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3369
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3370 for(i = 0; i < 3; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3371 if(GL2PS_ZERO(rgba[i]))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3372 offs += gl2psPrintf("%.0f ", 0.);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3373 else if(rgba[i] < 1e-4 || rgba[i] > 1e6) /* avoid %e formatting */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3374 offs += gl2psPrintf("%f ", rgba[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3375 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3376 offs += gl2psPrintf("%g ", rgba[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3377 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3378 offs += gl2psPrintf("rg\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3379 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3380 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3381
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3382 static int gl2psPrintPDFLineWidth(GLfloat lw)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3383 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3384 if(GL2PS_ZERO(lw))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3385 return gl2psPrintf("%.0f w\n", 0.);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3386 else if(lw < 1e-4 || lw > 1e6) /* avoid %e formatting */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3387 return gl2psPrintf("%f w\n", lw);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3388 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3389 return gl2psPrintf("%g w\n", lw);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3390 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3391
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3392 static void gl2psPutPDFText(GL2PSstring *text, int cnt, GLfloat x, GLfloat y)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3393 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3394 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3395 gl2psPrintf("BT\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3396 "/F%d %d Tf\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3397 "%f %f Td\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3398 "(%s) Tj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3399 "ET\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3400 cnt, text->fontsize, x, y, text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3401 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3402
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3403 static void gl2psPutPDFImage(GL2PSimage *image, int cnt, GLfloat x, GLfloat y)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3404 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3405 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3406 gl2psPrintf("q\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3407 "%d 0 0 %d %f %f cm\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3408 "/Im%d Do\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3409 "Q\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3410 (int)image->width, (int)image->height, x, y, cnt);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3411 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3412
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3413 static void gl2psPDFstacksInit(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3414 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3415 gl2ps->objects_stack = 7 /* FIXED_XREF_ENTRIES */ + 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3416 gl2ps->extgs_stack = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3417 gl2ps->font_stack = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3418 gl2ps->im_stack = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3419 gl2ps->trgroupobjects_stack = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3420 gl2ps->shader_stack = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3421 gl2ps->mshader_stack = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3422 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3423
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3424 static void gl2psPDFgroupObjectInit(GL2PSpdfgroup *gro)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3425 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3426 if(!gro)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3427 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3428
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3429 gro->ptrlist = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3430 gro->fontno = gro->gsno = gro->imno = gro->maskshno = gro->shno
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3431 = gro->trgroupno = gro->fontobjno = gro->imobjno = gro->shobjno
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3432 = gro->maskshobjno = gro->gsobjno = gro->trgroupobjno = -1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3433 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3434
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3435 /* Build up group objects and assign name and object numbers */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3436
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3437 static void gl2psPDFgroupListInit(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3438 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3439 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3440 GL2PSprimitive *p = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3441 GL2PSpdfgroup gro;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3442 int lasttype = GL2PS_NO_TYPE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3443 GL2PSrgba lastrgba = {-1.0F, -1.0F, -1.0F, -1.0F};
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3444 GLushort lastpattern = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3445 GLint lastfactor = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3446 GLfloat lastwidth = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3447 GL2PStriangle lastt, tmpt;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3448 int lastTriangleWasNotSimpleWithSameColor = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3449
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3450 if(!gl2ps->pdfprimlist)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3451 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3452
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3453 gl2ps->pdfgrouplist = gl2psListCreate(500, 500, sizeof(GL2PSpdfgroup));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3454 gl2psInitTriangle(&lastt);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3455
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3456 for(i = 0; i < gl2psListNbr(gl2ps->pdfprimlist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3457 p = *(GL2PSprimitive**)gl2psListPointer(gl2ps->pdfprimlist, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3458 switch(p->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3459 case GL2PS_PIXMAP:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3460 gl2psPDFgroupObjectInit(&gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3461 gro.ptrlist = gl2psListCreate(1, 2, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3462 gro.imno = gl2ps->im_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3463 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3464 gl2psListAdd(gl2ps->pdfgrouplist, &gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3465 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3466 case GL2PS_TEXT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3467 gl2psPDFgroupObjectInit(&gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3468 gro.ptrlist = gl2psListCreate(1, 2, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3469 gro.fontno = gl2ps->font_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3470 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3471 gl2psListAdd(gl2ps->pdfgrouplist, &gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3472 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3473 case GL2PS_LINE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3474 if(lasttype != p->type || lastwidth != p->width ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3475 lastpattern != p->pattern || lastfactor != p->factor ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3476 !gl2psSameColor(p->verts[0].rgba, lastrgba)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3477 gl2psPDFgroupObjectInit(&gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3478 gro.ptrlist = gl2psListCreate(1, 2, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3479 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3480 gl2psListAdd(gl2ps->pdfgrouplist, &gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3481 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3482 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3483 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3484 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3485 lastpattern = p->pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3486 lastfactor = p->factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3487 lastwidth = p->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3488 lastrgba[0] = p->verts[0].rgba[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3489 lastrgba[1] = p->verts[0].rgba[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3490 lastrgba[2] = p->verts[0].rgba[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3491 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3492 case GL2PS_POINT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3493 if(lasttype != p->type || lastwidth != p->width ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3494 !gl2psSameColor(p->verts[0].rgba, lastrgba)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3495 gl2psPDFgroupObjectInit(&gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3496 gro.ptrlist = gl2psListCreate(1,2,sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3497 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3498 gl2psListAdd(gl2ps->pdfgrouplist, &gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3499 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3500 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3501 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3502 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3503 lastwidth = p->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3504 lastrgba[0] = p->verts[0].rgba[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3505 lastrgba[1] = p->verts[0].rgba[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3506 lastrgba[2] = p->verts[0].rgba[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3507 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3508 case GL2PS_TRIANGLE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3509 gl2psFillTriangleFromPrimitive(&tmpt, p, GL_TRUE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3510 lastTriangleWasNotSimpleWithSameColor =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3511 !(tmpt.prop & T_CONST_COLOR && tmpt.prop & T_ALPHA_1) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3512 !gl2psSameColor(tmpt.vertex[0].rgba, lastt.vertex[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3513 if(lasttype == p->type && tmpt.prop == lastt.prop &&
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3514 lastTriangleWasNotSimpleWithSameColor){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3515 /* TODO Check here for last alpha */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3516 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3517 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3518 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3519 gl2psPDFgroupObjectInit(&gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3520 gro.ptrlist = gl2psListCreate(1, 2, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3521 gl2psListAdd(gro.ptrlist, &p);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3522 gl2psListAdd(gl2ps->pdfgrouplist, &gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3523 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3524 lastt = tmpt;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3525 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3526 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3527 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3528 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3529 lasttype = p->type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3530 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3531 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3532
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3533 static void gl2psSortOutTrianglePDFgroup(GL2PSpdfgroup *gro)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3534 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3535 GL2PStriangle t;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3536 GL2PSprimitive *prim = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3537
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3538 if(!gro)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3539 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3540
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3541 if(!gl2psListNbr(gro->ptrlist))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3542 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3543
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3544 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3545
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3546 if(prim->type != GL2PS_TRIANGLE)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3547 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3548
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3549 gl2psFillTriangleFromPrimitive(&t, prim, GL_TRUE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3550
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3551 if(t.prop & T_CONST_COLOR && t.prop & T_ALPHA_LESS_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3552 gro->gsno = gl2ps->extgs_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3553 gro->gsobjno = gl2ps->objects_stack ++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3554 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3555 else if(t.prop & T_CONST_COLOR && t.prop & T_VAR_ALPHA){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3556 gro->gsno = gl2ps->extgs_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3557 gro->gsobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3558 gro->trgroupno = gl2ps->trgroupobjects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3559 gro->trgroupobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3560 gro->maskshno = gl2ps->mshader_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3561 gro->maskshobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3562 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3563 else if(t.prop & T_VAR_COLOR && t.prop & T_ALPHA_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3564 gro->shno = gl2ps->shader_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3565 gro->shobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3566 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3567 else if(t.prop & T_VAR_COLOR && t.prop & T_ALPHA_LESS_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3568 gro->gsno = gl2ps->extgs_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3569 gro->gsobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3570 gro->shno = gl2ps->shader_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3571 gro->shobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3572 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3573 else if(t.prop & T_VAR_COLOR && t.prop & T_VAR_ALPHA){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3574 gro->gsno = gl2ps->extgs_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3575 gro->gsobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3576 gro->shno = gl2ps->shader_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3577 gro->shobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3578 gro->trgroupno = gl2ps->trgroupobjects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3579 gro->trgroupobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3580 gro->maskshno = gl2ps->mshader_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3581 gro->maskshobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3582 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3583 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3584
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3585 /* Main stream data */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3586
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3587 static void gl2psPDFgroupListWriteMainStream(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3588 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3589 int i, j, lastel;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3590 GL2PSprimitive *prim = NULL, *prev = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3591 GL2PSpdfgroup *gro;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3592 GL2PStriangle t;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3593
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3594 if(!gl2ps->pdfgrouplist)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3595 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3596
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3597 for(i = 0; i < gl2psListNbr(gl2ps->pdfgrouplist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3598 gro = (GL2PSpdfgroup*)gl2psListPointer(gl2ps->pdfgrouplist, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3599
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3600 lastel = gl2psListNbr(gro->ptrlist) - 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3601 if(lastel < 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3602 continue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3603
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3604 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3605
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3606 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3607 case GL2PS_POINT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3608 gl2ps->streamlength += gl2psPrintf("1 J\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3609 gl2ps->streamlength += gl2psPrintPDFLineWidth(prim->width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3610 gl2ps->streamlength += gl2psPrintPDFStrokeColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3611 for(j = 0; j <= lastel; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3612 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3613 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3614 gl2psPrintf("%f %f m %f %f l\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3615 prim->verts[0].xyz[0], prim->verts[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3616 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3617 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3618 gl2ps->streamlength += gl2psPrintf("S\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3619 gl2ps->streamlength += gl2psPrintf("0 J\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3620 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3621 case GL2PS_LINE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3622 /* We try to use as few paths as possible to draw lines, in
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3623 order to get nice stippling even when the individual segments
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3624 are smaller than the stipple */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3625 gl2ps->streamlength += gl2psPrintPDFLineWidth(prim->width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3626 gl2ps->streamlength += gl2psPrintPDFStrokeColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3627 gl2ps->streamlength += gl2psPrintPostScriptDash(prim->pattern, prim->factor, "d");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3628 /* start new path */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3629 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3630 gl2psPrintf("%f %f m\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3631 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3632
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3633 for(j = 1; j <= lastel; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3634 prev = prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3635 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3636 if(!gl2psSamePosition(prim->verts[0].xyz, prev->verts[1].xyz)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3637 /* the starting point of the new segment does not match the
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3638 end point of the previous line, so we end the current
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3639 path and start a new one */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3640 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3641 gl2psPrintf("%f %f l\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3642 prev->verts[1].xyz[0], prev->verts[1].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3643 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3644 gl2psPrintf("%f %f m\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3645 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3646 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3647 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3648 /* the two segements are connected, so we just append to the
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3649 current path */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3650 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3651 gl2psPrintf("%f %f l\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3652 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3653 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3654 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3655 /* end last path */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3656 gl2ps->streamlength +=
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3657 gl2psPrintf("%f %f l\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3658 prim->verts[1].xyz[0], prim->verts[1].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3659 gl2ps->streamlength += gl2psPrintf("S\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3660 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3661 case GL2PS_TRIANGLE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3662 gl2psFillTriangleFromPrimitive(&t, prim, GL_TRUE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3663 gl2psSortOutTrianglePDFgroup(gro);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3664
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3665 /* No alpha and const color: Simple PDF draw orders */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3666 if(t.prop & T_CONST_COLOR && t.prop & T_ALPHA_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3667 gl2ps->streamlength += gl2psPrintPDFFillColor(t.vertex[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3668 for(j = 0; j <= lastel; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3669 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3670 gl2psFillTriangleFromPrimitive(&t, prim, GL_FALSE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3671 gl2ps->streamlength
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3672 += gl2psPrintf("%f %f m\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3673 "%f %f l\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3674 "%f %f l\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3675 "h f\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3676 t.vertex[0].xyz[0], t.vertex[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3677 t.vertex[1].xyz[0], t.vertex[1].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3678 t.vertex[2].xyz[0], t.vertex[2].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3679 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3680 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3681 /* Const alpha < 1 and const color: Simple PDF draw orders
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3682 and an extra extended Graphics State for the alpha const */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3683 else if(t.prop & T_CONST_COLOR && t.prop & T_ALPHA_LESS_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3684 gl2ps->streamlength += gl2psPrintf("q\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3685 "/GS%d gs\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3686 gro->gsno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3687 gl2ps->streamlength += gl2psPrintPDFFillColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3688 for(j = 0; j <= lastel; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3689 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3690 gl2psFillTriangleFromPrimitive(&t, prim, GL_FALSE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3691 gl2ps->streamlength
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3692 += gl2psPrintf("%f %f m\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3693 "%f %f l\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3694 "%f %f l\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3695 "h f\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3696 t.vertex[0].xyz[0], t.vertex[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3697 t.vertex[1].xyz[0], t.vertex[1].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3698 t.vertex[2].xyz[0], t.vertex[2].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3699 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3700 gl2ps->streamlength += gl2psPrintf("Q\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3701 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3702 /* Variable alpha and const color: Simple PDF draw orders
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3703 and an extra extended Graphics State + Xobject + Shader
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3704 object for the alpha mask */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3705 else if(t.prop & T_CONST_COLOR && t.prop & T_VAR_ALPHA){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3706 gl2ps->streamlength += gl2psPrintf("q\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3707 "/GS%d gs\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3708 "/TrG%d Do\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3709 gro->gsno, gro->trgroupno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3710 gl2ps->streamlength += gl2psPrintPDFFillColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3711 for(j = 0; j <= lastel; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3712 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3713 gl2psFillTriangleFromPrimitive(&t, prim, GL_FALSE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3714 gl2ps->streamlength
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3715 += gl2psPrintf("%f %f m\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3716 "%f %f l\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3717 "%f %f l\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3718 "h f\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3719 t.vertex[0].xyz[0], t.vertex[0].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3720 t.vertex[1].xyz[0], t.vertex[1].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3721 t.vertex[2].xyz[0], t.vertex[2].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3722 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3723 gl2ps->streamlength += gl2psPrintf("Q\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3724 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3725 /* Variable color and no alpha: Shader Object for the colored
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3726 triangle(s) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3727 else if(t.prop & T_VAR_COLOR && t.prop & T_ALPHA_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3728 gl2ps->streamlength += gl2psPrintf("/Sh%d sh\n", gro->shno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3729 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3730 /* Variable color and const alpha < 1: Shader Object for the
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3731 colored triangle(s) and an extra extended Graphics State
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3732 for the alpha const */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3733 else if(t.prop & T_VAR_COLOR && t.prop & T_ALPHA_LESS_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3734 gl2ps->streamlength += gl2psPrintf("q\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3735 "/GS%d gs\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3736 "/Sh%d sh\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3737 "Q\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3738 gro->gsno, gro->shno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3739 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3740 /* Variable alpha and color: Shader Object for the colored
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3741 triangle(s) and an extra extended Graphics State
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3742 + Xobject + Shader object for the alpha mask */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3743 else if(t.prop & T_VAR_COLOR && t.prop & T_VAR_ALPHA){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3744 gl2ps->streamlength += gl2psPrintf("q\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3745 "/GS%d gs\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3746 "/TrG%d Do\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3747 "/Sh%d sh\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3748 "Q\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3749 gro->gsno, gro->trgroupno, gro->shno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3750 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3751 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3752 case GL2PS_PIXMAP:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3753 for(j = 0; j <= lastel; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3754 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3755 gl2psPutPDFImage(prim->data.image, gro->imno, prim->verts[0].xyz[0],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3756 prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3757 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3758 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3759 case GL2PS_TEXT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3760 for(j = 0; j <= lastel; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3761 prim = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3762 gl2ps->streamlength += gl2psPrintPDFFillColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3763 gl2psPutPDFText(prim->data.text, gro->fontno, prim->verts[0].xyz[0],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3764 prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3765 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3766 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3767 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3768 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3769 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3770 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3771 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3772
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3773 /* Graphics State names */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3774
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3775 static int gl2psPDFgroupListWriteGStateResources(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3776 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3777 GL2PSpdfgroup *gro;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3778 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3779 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3780
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3781 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3782 "/ExtGState\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3783 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3784 "/GSa 7 0 R\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3785 for(i = 0; i < gl2psListNbr(gl2ps->pdfgrouplist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3786 gro = (GL2PSpdfgroup*)gl2psListPointer(gl2ps->pdfgrouplist, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3787 if(gro->gsno >= 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3788 offs += fprintf(gl2ps->stream, "/GS%d %d 0 R\n", gro->gsno, gro->gsobjno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3789 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3790 offs += fprintf(gl2ps->stream, ">>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3791 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3792 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3793
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3794 /* Main Shader names */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3795
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3796 static int gl2psPDFgroupListWriteShaderResources(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3797 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3798 GL2PSpdfgroup *gro;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3799 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3800 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3801
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3802 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3803 "/Shading\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3804 "<<\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3805 for(i = 0; i < gl2psListNbr(gl2ps->pdfgrouplist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3806 gro = (GL2PSpdfgroup*)gl2psListPointer(gl2ps->pdfgrouplist, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3807 if(gro->shno >= 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3808 offs += fprintf(gl2ps->stream, "/Sh%d %d 0 R\n", gro->shno, gro->shobjno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3809 if(gro->maskshno >= 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3810 offs += fprintf(gl2ps->stream, "/TrSh%d %d 0 R\n", gro->maskshno, gro->maskshobjno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3811 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3812 offs += fprintf(gl2ps->stream,">>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3813 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3814 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3815
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3816 /* Images & Mask Shader XObject names */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3817
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3818 static int gl2psPDFgroupListWriteXObjectResources(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3819 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3820 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3821 GL2PSprimitive *p = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3822 GL2PSpdfgroup *gro;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3823 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3824
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3825 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3826 "/XObject\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3827 "<<\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3828
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3829 for(i = 0; i < gl2psListNbr(gl2ps->pdfgrouplist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3830 gro = (GL2PSpdfgroup*)gl2psListPointer(gl2ps->pdfgrouplist, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3831 if(!gl2psListNbr(gro->ptrlist))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3832 continue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3833 p = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3834 switch(p->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3835 case GL2PS_PIXMAP:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3836 gro->imobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3837 if(GL_RGBA == p->data.image->format) /* reserve one object for image mask */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3838 gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3839 offs += fprintf(gl2ps->stream, "/Im%d %d 0 R\n", gro->imno, gro->imobjno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3840 case GL2PS_TRIANGLE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3841 if(gro->trgroupno >=0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3842 offs += fprintf(gl2ps->stream, "/TrG%d %d 0 R\n", gro->trgroupno, gro->trgroupobjno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3843 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3844 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3845 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3846 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3847 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3848 offs += fprintf(gl2ps->stream,">>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3849 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3850 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3851
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3852 /* Font names */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3853
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3854 static int gl2psPDFgroupListWriteFontResources(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3855 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3856 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3857 GL2PSpdfgroup *gro;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3858 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3859
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3860 offs += fprintf(gl2ps->stream, "/Font\n<<\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3861
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3862 for(i = 0; i < gl2psListNbr(gl2ps->pdfgrouplist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3863 gro = (GL2PSpdfgroup*)gl2psListPointer(gl2ps->pdfgrouplist, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3864 if(gro->fontno < 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3865 continue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3866 gro->fontobjno = gl2ps->objects_stack++;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3867 offs += fprintf(gl2ps->stream, "/F%d %d 0 R\n", gro->fontno, gro->fontobjno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3868 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3869 offs += fprintf(gl2ps->stream, ">>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3870
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3871 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3872 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3873
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3874 static void gl2psPDFgroupListDelete(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3875 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3876 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3877 GL2PSpdfgroup *gro = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3878
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3879 if(!gl2ps->pdfgrouplist)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3880 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3881
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3882 for(i = 0; i < gl2psListNbr(gl2ps->pdfgrouplist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3883 gro = (GL2PSpdfgroup*)gl2psListPointer(gl2ps->pdfgrouplist,i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3884 gl2psListDelete(gro->ptrlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3885 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3886
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3887 gl2psListDelete(gl2ps->pdfgrouplist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3888 gl2ps->pdfgrouplist = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3889 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3890
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3891 /* Print 1st PDF object - file info */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3892
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3893 static int gl2psPrintPDFInfo(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3894 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3895 int offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3896 time_t now;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3897 struct tm *newtime;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3898
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3899 time(&now);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3900 newtime = gmtime(&now);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3901
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3902 offs = fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3903 "1 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3904 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3905 "/Title (%s)\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3906 "/Creator (GL2PS %d.%d.%d%s, %s)\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3907 "/Producer (%s)\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3908 gl2ps->title, GL2PS_MAJOR_VERSION, GL2PS_MINOR_VERSION,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3909 GL2PS_PATCH_VERSION, GL2PS_EXTRA_VERSION, GL2PS_COPYRIGHT,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3910 gl2ps->producer);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3911
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3912 if(!newtime){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3913 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3914 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3915 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3916 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3917 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3918
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3919 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3920 "/CreationDate (D:%d%02d%02d%02d%02d%02d)\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3921 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3922 "endobj\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3923 newtime->tm_year+1900,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3924 newtime->tm_mon+1,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3925 newtime->tm_mday,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3926 newtime->tm_hour,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3927 newtime->tm_min,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3928 newtime->tm_sec);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3929 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3930 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3931
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3932 /* Create catalog and page structure - 2nd and 3th PDF object */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3933
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3934 static int gl2psPrintPDFCatalog(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3935 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3936 return fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3937 "2 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3938 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3939 "/Type /Catalog\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3940 "/Pages 3 0 R\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3941 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3942 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3943 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3944
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3945 static int gl2psPrintPDFPages(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3946 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3947 return fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3948 "3 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3949 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3950 "/Type /Pages\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3951 "/Kids [6 0 R]\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3952 "/Count 1\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3953 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3954 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3955 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3956
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3957 /* Open stream for data - graphical objects, fonts etc. PDF object 4 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3958
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3959 static int gl2psOpenPDFDataStream(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3960 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3961 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3962
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3963 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3964 "4 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3965 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3966 "/Length 5 0 R\n" );
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3967 offs += gl2psPrintPDFCompressorType();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3968 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3969 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3970 "stream\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3971 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3972 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3973
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3974 /* Stream setup - Graphics state, fill background if allowed */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3975
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3976 static int gl2psOpenPDFDataStreamWritePreface(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3977 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3978 int offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3979
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3980 offs = gl2psPrintf("/GSa gs\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3981
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3982 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3983 offs += gl2psPrintPDFFillColor(gl2ps->bgcolor);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3984 offs += gl2psPrintf("%d %d %d %d re\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3985 (int)gl2ps->viewport[0], (int)gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3986 (int)gl2ps->viewport[2], (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3987 offs += gl2psPrintf("f\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3988 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3989 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3990 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3991
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3992 /* Use the functions above to create the first part of the PDF*/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3993
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3994 static void gl2psPrintPDFHeader(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3995 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3996 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3997 gl2ps->pdfprimlist = gl2psListCreate(500, 500, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3998 gl2psPDFstacksInit();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
3999
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4000 gl2ps->xreflist = (int*)gl2psMalloc(sizeof(int) * gl2ps->objects_stack);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4001
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4002 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4003 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4004 gl2psSetupCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4005 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4006 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4007 gl2ps->xreflist[0] = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4008 offs += fprintf(gl2ps->stream, "%%PDF-1.4\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4009 gl2ps->xreflist[1] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4010
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4011 offs += gl2psPrintPDFInfo();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4012 gl2ps->xreflist[2] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4013
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4014 offs += gl2psPrintPDFCatalog();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4015 gl2ps->xreflist[3] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4016
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4017 offs += gl2psPrintPDFPages();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4018 gl2ps->xreflist[4] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4019
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4020 offs += gl2psOpenPDFDataStream();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4021 gl2ps->xreflist[5] = offs; /* finished in gl2psPrintPDFFooter */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4022 gl2ps->streamlength = gl2psOpenPDFDataStreamWritePreface();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4023 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4024
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4025 /* The central primitive drawing */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4026
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4027 static void gl2psPrintPDFPrimitive(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4028 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4029 GL2PSprimitive *prim = *(GL2PSprimitive**)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4030
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4031 if((gl2ps->options & GL2PS_OCCLUSION_CULL) && prim->culled)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4032 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4033
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4034 prim = gl2psCopyPrimitive(prim); /* deep copy */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4035 gl2psListAdd(gl2ps->pdfprimlist, &prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4036 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4037
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4038 /* close stream and ... */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4039
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4040 static int gl2psClosePDFDataStream(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4041 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4042 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4043
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4044 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4045 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4046 if(Z_OK != gl2psDeflate())
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4047 gl2psMsg(GL2PS_ERROR, "Zlib deflate error");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4048 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4049 fwrite(gl2ps->compress->dest, gl2ps->compress->destLen, 1, gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4050 gl2ps->streamlength += gl2ps->compress->destLen;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4051
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4052 offs += gl2ps->streamlength;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4053 gl2psFreeCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4054 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4055 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4056
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4057 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4058 "endstream\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4059 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4060 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4061 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4062
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4063 /* ... write the now known length object */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4064
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4065 static int gl2psPrintPDFDataStreamLength(int val)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4066 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4067 return fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4068 "5 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4069 "%d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4070 "endobj\n", val);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4071 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4072
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4073 /* Put the info created before in PDF objects */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4074
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4075 static int gl2psPrintPDFOpenPage(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4076 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4077 int offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4078
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4079 /* Write fixed part */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4080
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4081 offs = fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4082 "6 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4083 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4084 "/Type /Page\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4085 "/Parent 3 0 R\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4086 "/MediaBox [%d %d %d %d]\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4087 (int)gl2ps->viewport[0], (int)gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4088 (int)gl2ps->viewport[2], (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4089
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4090 if(gl2ps->options & GL2PS_LANDSCAPE)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4091 offs += fprintf(gl2ps->stream, "/Rotate -90\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4092
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4093 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4094 "/Contents 4 0 R\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4095 "/Resources\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4096 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4097 "/ProcSet [/PDF /Text /ImageB /ImageC] %%/ImageI\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4098
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4099 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4100
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4101 /* End fixed part, proceeds in gl2psPDFgroupListWriteVariableResources() */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4102 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4103
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4104 static int gl2psPDFgroupListWriteVariableResources(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4105 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4106 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4107
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4108 /* a) Graphics States for shader alpha masks*/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4109 offs += gl2psPDFgroupListWriteGStateResources();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4110
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4111 /* b) Shader and shader masks */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4112 offs += gl2psPDFgroupListWriteShaderResources();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4113
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4114 /* c) XObjects (Images & Shader Masks) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4115 offs += gl2psPDFgroupListWriteXObjectResources();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4116
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4117 /* d) Fonts */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4118 offs += gl2psPDFgroupListWriteFontResources();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4119
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4120 /* End resources and page */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4121 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4122 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4123 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4124 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4125 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4126 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4127
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4128 /* Standard Graphics State */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4129
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4130 static int gl2psPrintPDFGSObject(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4131 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4132 return fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4133 "7 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4134 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4135 "/Type /ExtGState\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4136 "/SA false\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4137 "/SM 0.02\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4138 "/OP false\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4139 "/op false\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4140 "/OPM 0\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4141 "/BG2 /Default\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4142 "/UCR2 /Default\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4143 "/TR2 /Default\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4144 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4145 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4146 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4147
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4148 /* Put vertex' edge flag (8bit) and coordinates (32bit) in shader stream */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4149
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4150 static int gl2psPrintPDFShaderStreamDataCoord(GL2PSvertex *vertex,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4151 size_t (*action)(unsigned long data,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4152 size_t size),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4153 GLfloat dx, GLfloat dy,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4154 GLfloat xmin, GLfloat ymin)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4155 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4156 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4157 unsigned long imap;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4158 GLfloat diff;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4159 double dmax = ~1UL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4160 char edgeflag = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4161
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4162 /* FIXME: temp bux fix for 64 bit archs: */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4163 if(sizeof(unsigned long) == 8) dmax = dmax - 2048.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4164
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4165 offs += (*action)(edgeflag, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4166
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4167 /* The Shader stream in PDF requires to be in a 'big-endian'
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4168 order */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4169
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4170 if(GL2PS_ZERO(dx * dy)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4171 offs += (*action)(0, 4);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4172 offs += (*action)(0, 4);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4173 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4174 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4175 diff = (vertex->xyz[0] - xmin) / dx;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4176 if(diff > 1)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4177 diff = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4178 else if(diff < 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4179 diff = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4180 imap = (unsigned long)(diff * dmax);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4181 offs += (*action)(imap, 4);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4182
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4183 diff = (vertex->xyz[1] - ymin) / dy;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4184 if(diff > 1)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4185 diff = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4186 else if(diff < 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4187 diff = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4188 imap = (unsigned long)(diff * dmax);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4189 offs += (*action)(imap, 4);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4190 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4191
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4192 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4193 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4194
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4195 /* Put vertex' rgb value (8bit for every component) in shader stream */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4196
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4197 static int gl2psPrintPDFShaderStreamDataRGB(GL2PSvertex *vertex,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4198 size_t (*action)(unsigned long data,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4199 size_t size))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4200 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4201 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4202 unsigned long imap;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4203 double dmax = ~1UL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4204
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4205 /* FIXME: temp bux fix for 64 bit archs: */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4206 if(sizeof(unsigned long) == 8) dmax = dmax - 2048.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4207
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4208 imap = (unsigned long)((vertex->rgba[0]) * dmax);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4209 offs += (*action)(imap, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4210
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4211 imap = (unsigned long)((vertex->rgba[1]) * dmax);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4212 offs += (*action)(imap, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4213
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4214 imap = (unsigned long)((vertex->rgba[2]) * dmax);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4215 offs += (*action)(imap, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4216
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4217 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4218 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4219
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4220 /* Put vertex' alpha (8/16bit) in shader stream */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4221
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4222 static int gl2psPrintPDFShaderStreamDataAlpha(GL2PSvertex *vertex,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4223 size_t (*action)(unsigned long data,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4224 size_t size),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4225 int sigbyte)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4226 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4227 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4228 unsigned long imap;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4229 double dmax = ~1UL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4230
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4231 /* FIXME: temp bux fix for 64 bit archs: */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4232 if(sizeof(unsigned long) == 8) dmax = dmax - 2048.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4233
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4234 if(sigbyte != 8 && sigbyte != 16)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4235 sigbyte = 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4236
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4237 sigbyte /= 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4238
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4239 imap = (unsigned long)((vertex->rgba[3]) * dmax);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4240
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4241 offs += (*action)(imap, sigbyte);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4242
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4243 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4244 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4245
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4246 /* Put a triangles raw data in shader stream */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4247
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4248 static int gl2psPrintPDFShaderStreamData(GL2PStriangle *triangle,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4249 GLfloat dx, GLfloat dy,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4250 GLfloat xmin, GLfloat ymin,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4251 size_t (*action)(unsigned long data,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4252 size_t size),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4253 int gray)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4254 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4255 int i, offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4256 GL2PSvertex v;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4257
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4258 if(gray && gray != 8 && gray != 16)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4259 gray = 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4260
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4261 for(i = 0; i < 3; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4262 offs += gl2psPrintPDFShaderStreamDataCoord(&triangle->vertex[i], action,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4263 dx, dy, xmin, ymin);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4264 if(gray){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4265 v = triangle->vertex[i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4266 offs += gl2psPrintPDFShaderStreamDataAlpha(&v, action, gray);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4267 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4268 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4269 offs += gl2psPrintPDFShaderStreamDataRGB(&triangle->vertex[i], action);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4270 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4271 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4272
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4273 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4274 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4275
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4276 static void gl2psPDFRectHull(GLfloat *xmin, GLfloat *xmax,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4277 GLfloat *ymin, GLfloat *ymax,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4278 GL2PStriangle *triangles, int cnt)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4279 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4280 int i, j;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4281
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4282 *xmin = triangles[0].vertex[0].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4283 *xmax = triangles[0].vertex[0].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4284 *ymin = triangles[0].vertex[0].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4285 *ymax = triangles[0].vertex[0].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4286
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4287 for(i = 0; i < cnt; ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4288 for(j = 0; j < 3; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4289 if(*xmin > triangles[i].vertex[j].xyz[0])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4290 *xmin = triangles[i].vertex[j].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4291 if(*xmax < triangles[i].vertex[j].xyz[0])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4292 *xmax = triangles[i].vertex[j].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4293 if(*ymin > triangles[i].vertex[j].xyz[1])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4294 *ymin = triangles[i].vertex[j].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4295 if(*ymax < triangles[i].vertex[j].xyz[1])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4296 *ymax = triangles[i].vertex[j].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4297 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4298 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4299 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4300
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4301 /* Writes shaded triangle
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4302 gray == 0 means write RGB triangles
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4303 gray == 8 8bit-grayscale (for alpha masks)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4304 gray == 16 16bit-grayscale (for alpha masks) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4305
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4306 static int gl2psPrintPDFShader(int obj, GL2PStriangle *triangles,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4307 int size, int gray)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4308 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4309 int i, offs = 0, vertexbytes, done = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4310 GLfloat xmin, xmax, ymin, ymax;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4311
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4312 switch(gray){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4313 case 0:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4314 vertexbytes = 1+4+4+1+1+1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4315 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4316 case 8:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4317 vertexbytes = 1+4+4+1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4318 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4319 case 16:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4320 vertexbytes = 1+4+4+2;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4321 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4322 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4323 gray = 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4324 vertexbytes = 1+4+4+1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4325 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4326 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4327
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4328 gl2psPDFRectHull(&xmin, &xmax, &ymin, &ymax, triangles, size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4329
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4330 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4331 "%d 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4332 "<< "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4333 "/ShadingType 4 "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4334 "/ColorSpace %s "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4335 "/BitsPerCoordinate 32 "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4336 "/BitsPerComponent %d "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4337 "/BitsPerFlag 8 "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4338 "/Decode [%f %f %f %f 0 1 %s] ",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4339 obj,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4340 (gray) ? "/DeviceGray" : "/DeviceRGB",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4341 (gray) ? gray : 8,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4342 xmin, xmax, ymin, ymax,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4343 (gray) ? "" : "0 1 0 1");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4344
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4345 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4346 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4347 gl2psAllocCompress(vertexbytes * size * 3);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4348
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4349 for(i = 0; i < size; ++i)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4350 gl2psPrintPDFShaderStreamData(&triangles[i],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4351 xmax-xmin, ymax-ymin, xmin, ymin,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4352 gl2psWriteBigEndianCompress, gray);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4353
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4354 if(Z_OK == gl2psDeflate() && 23 + gl2ps->compress->destLen < gl2ps->compress->srcLen){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4355 offs += gl2psPrintPDFCompressorType();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4356 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4357 "/Length %d "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4358 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4359 "stream\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4360 (int)gl2ps->compress->destLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4361 offs += gl2ps->compress->destLen * fwrite(gl2ps->compress->dest,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4362 gl2ps->compress->destLen,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4363 1, gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4364 done = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4365 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4366 gl2psFreeCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4367 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4368 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4369
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4370 if(!done){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4371 /* no compression, or too long after compression, or compress error
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4372 -> write non-compressed entry */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4373 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4374 "/Length %d "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4375 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4376 "stream\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4377 vertexbytes * 3 * size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4378 for(i = 0; i < size; ++i)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4379 offs += gl2psPrintPDFShaderStreamData(&triangles[i],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4380 xmax-xmin, ymax-ymin, xmin, ymin,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4381 gl2psWriteBigEndian, gray);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4382 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4383
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4384 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4385 "\nendstream\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4386 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4387
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4388 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4389 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4390
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4391 /* Writes a XObject for a shaded triangle mask */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4392
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4393 static int gl2psPrintPDFShaderMask(int obj, int childobj)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4394 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4395 int offs = 0, len;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4396
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4397 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4398 "%d 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4399 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4400 "/Type /XObject\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4401 "/Subtype /Form\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4402 "/BBox [ %d %d %d %d ]\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4403 "/Group \n<<\n/S /Transparency /CS /DeviceRGB\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4404 ">>\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4405 obj,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4406 (int)gl2ps->viewport[0], (int)gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4407 (int)gl2ps->viewport[2], (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4408
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4409 len = (childobj>0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4410 ? strlen("/TrSh sh\n") + (int)log10((double)childobj)+1
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4411 : strlen("/TrSh0 sh\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4412
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4413 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4414 "/Length %d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4415 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4416 "stream\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4417 len);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4418 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4419 "/TrSh%d sh\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4420 childobj);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4421 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4422 "endstream\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4423 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4424
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4425 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4426 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4427
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4428 /* Writes a Extended graphics state for a shaded triangle mask if
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4429 simplealpha ist true the childobj argument is ignored and a /ca
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4430 statement will be written instead */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4431
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4432 static int gl2psPrintPDFShaderExtGS(int obj, int childobj)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4433 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4434 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4435
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4436 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4437 "%d 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4438 "<<\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4439 obj);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4440
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4441 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4442 "/SMask << /S /Alpha /G %d 0 R >> ",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4443 childobj);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4444
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4445 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4446 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4447 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4448 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4449 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4450
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4451 /* a simple graphics state */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4452
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4453 static int gl2psPrintPDFShaderSimpleExtGS(int obj, GLfloat alpha)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4454 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4455 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4456
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4457 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4458 "%d 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4459 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4460 "/ca %g"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4461 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4462 "endobj\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4463 obj, alpha);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4464 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4465 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4466
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4467 /* Similar groups of functions for pixmaps and text */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4468
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4469 static int gl2psPrintPDFPixmapStreamData(GL2PSimage *im,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4470 size_t (*action)(unsigned long data,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4471 size_t size),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4472 int gray)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4473 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4474 int x, y;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4475 GLfloat r, g, b, a;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4476
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4477 if(im->format != GL_RGBA && gray)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4478 return 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4479
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4480 if(gray && gray !=8 && gray != 16)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4481 gray = 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4482
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4483 gray /= 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4484
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4485 for(y = 0; y < im->height; ++y){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4486 for(x = 0; x < im->width; ++x){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4487 a = gl2psGetRGB(im, x, y, &r, &g, &b);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4488 if(im->format == GL_RGBA && gray){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4489 (*action)((unsigned long)(a*255) << 24, gray);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4490 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4491 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4492 (*action)((unsigned long)(r*255) << 24, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4493 (*action)((unsigned long)(g*255) << 24, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4494 (*action)((unsigned long)(b*255) << 24, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4495 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4496 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4497 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4498
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4499 switch(gray){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4500 case 0: return 3 * im->width * im->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4501 case 1: return im->width * im->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4502 case 2: return 2 * im->width * im->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4503 default: return 3 * im->width * im->height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4504 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4505 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4506
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4507 static int gl2psPrintPDFPixmap(int obj, int childobj, GL2PSimage *im, int gray)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4508 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4509 int offs = 0, done = 0, sigbytes = 3;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4510
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4511 if(gray && gray !=8 && gray != 16)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4512 gray = 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4513
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4514 if(gray)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4515 sigbytes = gray / 8;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4516
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4517 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4518 "%d 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4519 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4520 "/Type /XObject\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4521 "/Subtype /Image\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4522 "/Width %d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4523 "/Height %d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4524 "/ColorSpace %s \n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4525 "/BitsPerComponent 8\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4526 obj,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4527 (int)im->width, (int)im->height,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4528 (gray) ? "/DeviceGray" : "/DeviceRGB" );
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4529 if(GL_RGBA == im->format && gray == 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4530 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4531 "/SMask %d 0 R\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4532 childobj);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4533 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4534
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4535 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4536 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4537 gl2psAllocCompress((int)(im->width * im->height * sigbytes));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4538
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4539 gl2psPrintPDFPixmapStreamData(im, gl2psWriteBigEndianCompress, gray);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4540
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4541 if(Z_OK == gl2psDeflate() && 23 + gl2ps->compress->destLen < gl2ps->compress->srcLen){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4542 offs += gl2psPrintPDFCompressorType();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4543 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4544 "/Length %d "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4545 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4546 "stream\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4547 (int)gl2ps->compress->destLen);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4548 offs += gl2ps->compress->destLen * fwrite(gl2ps->compress->dest, gl2ps->compress->destLen,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4549 1, gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4550 done = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4551 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4552 gl2psFreeCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4553 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4554 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4555
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4556 if(!done){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4557 /* no compression, or too long after compression, or compress error
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4558 -> write non-compressed entry */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4559 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4560 "/Length %d "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4561 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4562 "stream\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4563 (int)(im->width * im->height * sigbytes));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4564 offs += gl2psPrintPDFPixmapStreamData(im, gl2psWriteBigEndian, gray);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4565 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4566
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4567 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4568 "\nendstream\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4569 "endobj\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4570
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4571 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4572 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4573
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4574 static int gl2psPrintPDFText(int obj, GL2PSstring *s, int fontnumber)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4575 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4576 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4577
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4578 offs += fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4579 "%d 0 obj\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4580 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4581 "/Type /Font\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4582 "/Subtype /Type1\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4583 "/Name /F%d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4584 "/BaseFont /%s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4585 "/Encoding /MacRomanEncoding\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4586 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4587 "endobj\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4588 obj, fontnumber, s->fontname);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4589 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4590 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4591
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4592 /* Write the physical objects */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4593
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4594 static int gl2psPDFgroupListWriteObjects(int entryoffs)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4595 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4596 int i,j;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4597 GL2PSprimitive *p = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4598 GL2PSpdfgroup *gro;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4599 int offs = entryoffs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4600 GL2PStriangle *triangles;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4601 int size = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4602
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4603 if(!gl2ps->pdfgrouplist)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4604 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4605
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4606 for(i = 0; i < gl2psListNbr(gl2ps->pdfgrouplist); ++i){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4607 gro = (GL2PSpdfgroup*)gl2psListPointer(gl2ps->pdfgrouplist, i);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4608 if(!gl2psListNbr(gro->ptrlist))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4609 continue;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4610 p = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4611 switch(p->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4612 case GL2PS_POINT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4613 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4614 case GL2PS_LINE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4615 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4616 case GL2PS_TRIANGLE:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4617 size = gl2psListNbr(gro->ptrlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4618 triangles = (GL2PStriangle*)gl2psMalloc(sizeof(GL2PStriangle) * size);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4619 for(j = 0; j < size; ++j){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4620 p = *(GL2PSprimitive**)gl2psListPointer(gro->ptrlist, j);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4621 gl2psFillTriangleFromPrimitive(&triangles[j], p, GL_TRUE);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4622 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4623 if(triangles[0].prop & T_VAR_COLOR){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4624 gl2ps->xreflist[gro->shobjno] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4625 offs += gl2psPrintPDFShader(gro->shobjno, triangles, size, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4626 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4627 if(triangles[0].prop & T_ALPHA_LESS_1){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4628 gl2ps->xreflist[gro->gsobjno] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4629 offs += gl2psPrintPDFShaderSimpleExtGS(gro->gsobjno, triangles[0].vertex[0].rgba[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4630 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4631 if(triangles[0].prop & T_VAR_ALPHA){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4632 gl2ps->xreflist[gro->gsobjno] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4633 offs += gl2psPrintPDFShaderExtGS(gro->gsobjno, gro->trgroupobjno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4634 gl2ps->xreflist[gro->trgroupobjno] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4635 offs += gl2psPrintPDFShaderMask(gro->trgroupobjno, gro->maskshno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4636 gl2ps->xreflist[gro->maskshobjno] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4637 offs += gl2psPrintPDFShader(gro->maskshobjno, triangles, size, 8);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4638 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4639 gl2psFree(triangles);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4640 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4641 case GL2PS_PIXMAP:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4642 gl2ps->xreflist[gro->imobjno] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4643 offs += gl2psPrintPDFPixmap(gro->imobjno, gro->imobjno+1, p->data.image, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4644 if(p->data.image->format == GL_RGBA){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4645 gl2ps->xreflist[gro->imobjno+1] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4646 offs += gl2psPrintPDFPixmap(gro->imobjno+1, -1, p->data.image, 8);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4647 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4648 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4649 case GL2PS_TEXT:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4650 gl2ps->xreflist[gro->fontobjno] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4651 offs += gl2psPrintPDFText(gro->fontobjno,p->data.text,gro->fontno);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4652 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4653 case GL2PS_SPECIAL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4654 /* alignment contains the format for which the special output text
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4655 is intended */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4656 if(p->data.text->alignment == GL2PS_PDF)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4657 offs += fprintf(gl2ps->stream, "%s\n", p->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4658 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4659 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4660 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4661 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4662 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4663 return offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4664 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4665
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4666 /* All variable data has been written at this point and all required
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4667 functioninality has been gathered, so we can write now file footer
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4668 with cross reference table and trailer */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4669
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4670 static void gl2psPrintPDFFooter(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4671 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4672 int i, offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4673
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4674 gl2psPDFgroupListInit();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4675 gl2psPDFgroupListWriteMainStream();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4676
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4677 offs = gl2ps->xreflist[5] + gl2ps->streamlength;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4678 offs += gl2psClosePDFDataStream();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4679 gl2ps->xreflist[5] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4680
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4681 offs += gl2psPrintPDFDataStreamLength(gl2ps->streamlength);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4682 gl2ps->xreflist[6] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4683 gl2ps->streamlength = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4684
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4685 offs += gl2psPrintPDFOpenPage();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4686 offs += gl2psPDFgroupListWriteVariableResources();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4687 gl2ps->xreflist = (int*)gl2psRealloc(gl2ps->xreflist,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4688 sizeof(int) * (gl2ps->objects_stack + 1));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4689 gl2ps->xreflist[7] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4690
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4691 offs += gl2psPrintPDFGSObject();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4692 gl2ps->xreflist[8] = offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4693
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4694 gl2ps->xreflist[gl2ps->objects_stack] =
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4695 gl2psPDFgroupListWriteObjects(gl2ps->xreflist[8]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4696
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4697 /* Start cross reference table. The file has to been opened in
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4698 binary mode to preserve the 20 digit string length! */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4699 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4700 "xref\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4701 "0 %d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4702 "%010d 65535 f \n", gl2ps->objects_stack, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4703
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4704 for(i = 1; i < gl2ps->objects_stack; ++i)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4705 fprintf(gl2ps->stream, "%010d 00000 n \n", gl2ps->xreflist[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4706
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4707 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4708 "trailer\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4709 "<<\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4710 "/Size %d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4711 "/Info 1 0 R\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4712 "/Root 2 0 R\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4713 ">>\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4714 "startxref\n%d\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4715 "%%%%EOF\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4716 gl2ps->objects_stack, gl2ps->xreflist[gl2ps->objects_stack]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4717
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4718 /* Free auxiliary lists and arrays */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4719 gl2psFree(gl2ps->xreflist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4720 gl2psListAction(gl2ps->pdfprimlist, gl2psFreePrimitive);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4721 gl2psListDelete(gl2ps->pdfprimlist);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4722 gl2psPDFgroupListDelete();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4723
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4724 #if defined(GL2PS_HAVE_ZLIB)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4725 if(gl2ps->options & GL2PS_COMPRESS){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4726 gl2psFreeCompress();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4727 gl2psFree(gl2ps->compress);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4728 gl2ps->compress = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4729 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4730 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4731 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4732
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4733 /* PDF begin viewport */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4734
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4735 static void gl2psPrintPDFBeginViewport(GLint viewport[4])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4736 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4737 int offs = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4738 GLint index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4739 GLfloat rgba[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4740 int x = viewport[0], y = viewport[1], w = viewport[2], h = viewport[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4741
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4742 glRenderMode(GL_FEEDBACK);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4743
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4744 if(gl2ps->header){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4745 gl2psPrintPDFHeader();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4746 gl2ps->header = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4747 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4748
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4749 offs += gl2psPrintf("q\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4750
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4751 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4752 if(gl2ps->colormode == GL_RGBA || gl2ps->colorsize == 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4753 glGetFloatv(GL_COLOR_CLEAR_VALUE, rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4754 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4755 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4756 glGetIntegerv(GL_INDEX_CLEAR_VALUE, &index);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4757 rgba[0] = gl2ps->colormap[index][0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4758 rgba[1] = gl2ps->colormap[index][1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4759 rgba[2] = gl2ps->colormap[index][2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4760 rgba[3] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4761 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4762 offs += gl2psPrintPDFFillColor(rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4763 offs += gl2psPrintf("%d %d %d %d re\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4764 "W\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4765 "f\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4766 x, y, w, h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4767 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4768 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4769 offs += gl2psPrintf("%d %d %d %d re\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4770 "W\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4771 "n\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4772 x, y, w, h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4773 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4774
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4775 gl2ps->streamlength += offs;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4776 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4777
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4778 static GLint gl2psPrintPDFEndViewport(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4779 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4780 GLint res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4781
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4782 res = gl2psPrintPrimitives();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4783 gl2ps->streamlength += gl2psPrintf("Q\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4784 return res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4785 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4786
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4787 static void gl2psPrintPDFFinalPrimitive(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4788 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4789 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4790
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4791 /* definition of the PDF backend */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4792
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4793 static GL2PSbackend gl2psPDF = {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4794 gl2psPrintPDFHeader,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4795 gl2psPrintPDFFooter,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4796 gl2psPrintPDFBeginViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4797 gl2psPrintPDFEndViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4798 gl2psPrintPDFPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4799 gl2psPrintPDFFinalPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4800 "pdf",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4801 "Portable Document Format"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4802 };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4803
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4804 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4805 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4806 * SVG routines
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4807 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4808 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4809
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4810 static void gl2psSVGGetCoordsAndColors(int n, GL2PSvertex *verts,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4811 GL2PSxyz *xyz, GL2PSrgba *rgba)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4812 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4813 int i, j;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4814
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4815 for(i = 0; i < n; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4816 xyz[i][0] = verts[i].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4817 xyz[i][1] = gl2ps->viewport[3] - verts[i].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4818 xyz[i][2] = 0.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4819 for(j = 0; j < 4; j++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4820 rgba[i][j] = verts[i].rgba[j];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4821 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4822 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4823
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4824 static void gl2psSVGGetColorString(GL2PSrgba rgba, char str[32])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4825 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4826 int r = (int)(255. * rgba[0]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4827 int g = (int)(255. * rgba[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4828 int b = (int)(255. * rgba[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4829 int rc = (r < 0) ? 0 : (r > 255) ? 255 : r;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4830 int gc = (g < 0) ? 0 : (g > 255) ? 255 : g;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4831 int bc = (b < 0) ? 0 : (b > 255) ? 255 : b;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4832 sprintf(str, "#%2.2x%2.2x%2.2x", rc, gc, bc);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4833 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4834
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4835 static void gl2psPrintSVGHeader(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4836 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4837 int x, y, width, height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4838 char col[32];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4839 time_t now;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4840
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4841 time(&now);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4842
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4843 if (gl2ps->options & GL2PS_LANDSCAPE){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4844 x = (int)gl2ps->viewport[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4845 y = (int)gl2ps->viewport[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4846 width = (int)gl2ps->viewport[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4847 height = (int)gl2ps->viewport[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4848 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4849 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4850 x = (int)gl2ps->viewport[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4851 y = (int)gl2ps->viewport[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4852 width = (int)gl2ps->viewport[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4853 height = (int)gl2ps->viewport[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4854 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4855
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4856 /* Compressed SVG files (.svgz) are simply gzipped SVG files */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4857 gl2psPrintGzipHeader();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4858
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4859 gl2psPrintf("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4860 gl2psPrintf("<svg xmlns=\"http://www.w3.org/2000/svg\"\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4861 gl2psPrintf(" xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4862 " width=\"%dpx\" height=\"%dpx\" viewBox=\"%d %d %d %d\">\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4863 width, height, x, y, width, height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4864 gl2psPrintf("<title>%s</title>\n", gl2ps->title);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4865 gl2psPrintf("<desc>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4866 gl2psPrintf("Creator: GL2PS %d.%d.%d%s, %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4867 "For: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4868 "CreationDate: %s",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4869 GL2PS_MAJOR_VERSION, GL2PS_MINOR_VERSION, GL2PS_PATCH_VERSION,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4870 GL2PS_EXTRA_VERSION, GL2PS_COPYRIGHT, gl2ps->producer, ctime(&now));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4871 gl2psPrintf("</desc>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4872 gl2psPrintf("<defs>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4873 gl2psPrintf("</defs>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4874
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4875 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4876 gl2psSVGGetColorString(gl2ps->bgcolor, col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4877 gl2psPrintf("<polygon fill=\"%s\" points=\"%d,%d %d,%d %d,%d %d,%d\"/>\n", col,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4878 (int)gl2ps->viewport[0], (int)gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4879 (int)gl2ps->viewport[2], (int)gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4880 (int)gl2ps->viewport[2], (int)gl2ps->viewport[3],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4881 (int)gl2ps->viewport[0], (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4882 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4883
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4884 /* group all the primitives and disable antialiasing */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4885 gl2psPrintf("<g shape-rendering=\"crispEdges\">\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4886 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4887
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4888 static void gl2psPrintSVGSmoothTriangle(GL2PSxyz xyz[3], GL2PSrgba rgba[3])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4889 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4890 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4891 GL2PSxyz xyz2[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4892 GL2PSrgba rgba2[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4893 char col[32];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4894
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4895 /* Apparently there is no easy way to do Gouraud shading in SVG
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4896 without explicitly pre-defining gradients, so for now we just do
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4897 recursive subdivision */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4898
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4899 if(gl2psSameColorThreshold(3, rgba, gl2ps->threshold)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4900 gl2psSVGGetColorString(rgba[0], col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4901 gl2psPrintf("<polygon fill=\"%s\" ", col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4902 if(rgba[0][3] < 1.0F) gl2psPrintf("fill-opacity=\"%g\" ", rgba[0][3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4903 gl2psPrintf("points=\"%g,%g %g,%g %g,%g\"/>\n", xyz[0][0], xyz[0][1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4904 xyz[1][0], xyz[1][1], xyz[2][0], xyz[2][1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4905 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4906 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4907 /* subdivide into 4 subtriangles */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4908 for(i = 0; i < 3; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4909 xyz2[0][i] = xyz[0][i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4910 xyz2[1][i] = 0.5F * (xyz[0][i] + xyz[1][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4911 xyz2[2][i] = 0.5F * (xyz[0][i] + xyz[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4912 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4913 for(i = 0; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4914 rgba2[0][i] = rgba[0][i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4915 rgba2[1][i] = 0.5F * (rgba[0][i] + rgba[1][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4916 rgba2[2][i] = 0.5F * (rgba[0][i] + rgba[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4917 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4918 gl2psPrintSVGSmoothTriangle(xyz2, rgba2);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4919 for(i = 0; i < 3; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4920 xyz2[0][i] = 0.5F * (xyz[0][i] + xyz[1][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4921 xyz2[1][i] = xyz[1][i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4922 xyz2[2][i] = 0.5F * (xyz[1][i] + xyz[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4923 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4924 for(i = 0; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4925 rgba2[0][i] = 0.5F * (rgba[0][i] + rgba[1][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4926 rgba2[1][i] = rgba[1][i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4927 rgba2[2][i] = 0.5F * (rgba[1][i] + rgba[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4928 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4929 gl2psPrintSVGSmoothTriangle(xyz2, rgba2);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4930 for(i = 0; i < 3; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4931 xyz2[0][i] = 0.5F * (xyz[0][i] + xyz[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4932 xyz2[1][i] = xyz[2][i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4933 xyz2[2][i] = 0.5F * (xyz[1][i] + xyz[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4934 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4935 for(i = 0; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4936 rgba2[0][i] = 0.5F * (rgba[0][i] + rgba[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4937 rgba2[1][i] = rgba[2][i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4938 rgba2[2][i] = 0.5F * (rgba[1][i] + rgba[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4939 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4940 gl2psPrintSVGSmoothTriangle(xyz2, rgba2);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4941 for(i = 0; i < 3; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4942 xyz2[0][i] = 0.5F * (xyz[0][i] + xyz[1][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4943 xyz2[1][i] = 0.5F * (xyz[1][i] + xyz[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4944 xyz2[2][i] = 0.5F * (xyz[0][i] + xyz[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4945 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4946 for(i = 0; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4947 rgba2[0][i] = 0.5F * (rgba[0][i] + rgba[1][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4948 rgba2[1][i] = 0.5F * (rgba[1][i] + rgba[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4949 rgba2[2][i] = 0.5F * (rgba[0][i] + rgba[2][i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4950 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4951 gl2psPrintSVGSmoothTriangle(xyz2, rgba2);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4952 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4953 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4954
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4955 static void gl2psPrintSVGDash(GLushort pattern, GLint factor)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4956 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4957 int i, n, array[10];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4958
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4959 if(!pattern || !factor) return; /* solid line */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4960
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4961 gl2psParseStipplePattern(pattern, factor, &n, array);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4962 gl2psPrintf("stroke-dasharray=\"");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4963 for(i = 0; i < n; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4964 if(i) gl2psPrintf(",");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4965 gl2psPrintf("%d", array[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4966 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4967 gl2psPrintf("\" ");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4968 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4969
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4970 static void gl2psEndSVGLine(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4971 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4972 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4973 if(gl2ps->lastvertex.rgba[0] >= 0.){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4974 gl2psPrintf("%g,%g\"/>\n", gl2ps->lastvertex.xyz[0],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4975 gl2ps->viewport[3] - gl2ps->lastvertex.xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4976 for(i = 0; i < 3; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4977 gl2ps->lastvertex.xyz[i] = -1.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4978 for(i = 0; i < 4; i++)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4979 gl2ps->lastvertex.rgba[i] = -1.;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4980 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4981 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4982
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4983 static void gl2psPrintSVGPixmap(GLfloat x, GLfloat y, GL2PSimage *pixmap)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4984 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4985 #if defined(GL2PS_HAVE_LIBPNG)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4986 GL2PSlist *png;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4987 unsigned char c;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4988 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4989
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4990 /* The only image types supported by the SVG standard are JPEG, PNG
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4991 and SVG. Here we choose PNG, and since we want to embed the image
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4992 directly in the SVG stream (and not link to an external image
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4993 file), we need to encode the pixmap into PNG in memory, then
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4994 encode it into base64. */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4995
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4996 png = gl2psListCreate(pixmap->width * pixmap->height * 3, 1000,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4997 sizeof(unsigned char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4998 gl2psConvertPixmapToPNG(pixmap, png);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
4999 gl2psListEncodeBase64(png);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5000 gl2psPrintf("<image x=\"%g\" y=\"%g\" width=\"%d\" height=\"%d\"\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5001 x, y - pixmap->height, pixmap->width, pixmap->height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5002 gl2psPrintf("xlink:href=\"data:image/png;base64,");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5003 for(i = 0; i < gl2psListNbr(png); i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5004 gl2psListRead(png, i, &c);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5005 gl2psPrintf("%c", c);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5006 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5007 gl2psPrintf("\"/>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5008 gl2psListDelete(png);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5009 #else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5010 gl2psMsg(GL2PS_WARNING, "GL2PS must be compiled with PNG support in "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5011 "order to embed images in SVG streams");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5012 #endif
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5013 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5014
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5015 static void gl2psPrintSVGPrimitive(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5016 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5017 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5018 GL2PSxyz xyz[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5019 GL2PSrgba rgba[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5020 char col[32];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5021 int newline;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5022
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5023 prim = *(GL2PSprimitive**)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5024
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5025 if((gl2ps->options & GL2PS_OCCLUSION_CULL) && prim->culled) return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5026
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5027 /* We try to draw connected lines as a single path to get nice line
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5028 joins and correct stippling. So if the primitive to print is not
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5029 a line we must first finish the current line (if any): */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5030 if(prim->type != GL2PS_LINE) gl2psEndSVGLine();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5031
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5032 gl2psSVGGetCoordsAndColors(prim->numverts, prim->verts, xyz, rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5033
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5034 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5035 case GL2PS_POINT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5036 gl2psSVGGetColorString(rgba[0], col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5037 gl2psPrintf("<circle fill=\"%s\" ", col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5038 if(rgba[0][3] < 1.0F) gl2psPrintf("fill-opacity=\"%g\" ", rgba[0][3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5039 gl2psPrintf("cx=\"%g\" cy=\"%g\" r=\"%g\"/>\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5040 xyz[0][0], xyz[0][1], 0.5 * prim->width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5041 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5042 case GL2PS_LINE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5043 if(!gl2psSamePosition(gl2ps->lastvertex.xyz, prim->verts[0].xyz) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5044 !gl2psSameColor(gl2ps->lastrgba, prim->verts[0].rgba) ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5045 gl2ps->lastlinewidth != prim->width ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5046 gl2ps->lastpattern != prim->pattern ||
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5047 gl2ps->lastfactor != prim->factor){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5048 /* End the current line if the new segment does not start where
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5049 the last one ended, or if the color, the width or the
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5050 stippling have changed (we will need to use multi-point
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5051 gradients for smooth-shaded lines) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5052 gl2psEndSVGLine();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5053 newline = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5054 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5055 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5056 newline = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5057 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5058 gl2ps->lastvertex = prim->verts[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5059 gl2psSetLastColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5060 gl2ps->lastlinewidth = prim->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5061 gl2ps->lastpattern = prim->pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5062 gl2ps->lastfactor = prim->factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5063 if(newline){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5064 gl2psSVGGetColorString(rgba[0], col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5065 gl2psPrintf("<polyline fill=\"none\" stroke=\"%s\" stroke-width=\"%g\" ",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5066 col, prim->width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5067 if(rgba[0][3] < 1.0F) gl2psPrintf("stroke-opacity=\"%g\" ", rgba[0][3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5068 gl2psPrintSVGDash(prim->pattern, prim->factor);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5069 gl2psPrintf("points=\"%g,%g ", xyz[0][0], xyz[0][1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5070 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5071 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5072 gl2psPrintf("%g,%g ", xyz[0][0], xyz[0][1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5073 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5074 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5075 case GL2PS_TRIANGLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5076 gl2psPrintSVGSmoothTriangle(xyz, rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5077 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5078 case GL2PS_QUADRANGLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5079 gl2psMsg(GL2PS_WARNING, "There should not be any quad left to print");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5080 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5081 case GL2PS_PIXMAP :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5082 gl2psPrintSVGPixmap(xyz[0][0], xyz[0][1], prim->data.image);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5083 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5084 case GL2PS_TEXT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5085 gl2psSVGGetColorString(prim->verts[0].rgba, col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5086 gl2psPrintf("<text fill=\"%s\" x=\"%g\" y=\"%g\" font-size=\"%d\" ",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5087 col, xyz[0][0], xyz[0][1], prim->data.text->fontsize);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5088 if(prim->data.text->angle)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5089 gl2psPrintf("transform=\"rotate(%g, %g, %g)\" ",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5090 -prim->data.text->angle, xyz[0][0], xyz[0][1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5091 if(!strcmp(prim->data.text->fontname, "Times-Roman"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5092 gl2psPrintf("font-family=\"Times\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5093 else if(!strcmp(prim->data.text->fontname, "Times-Bold"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5094 gl2psPrintf("font-family=\"Times\" font-weight=\"bold\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5095 else if(!strcmp(prim->data.text->fontname, "Times-Italic"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5096 gl2psPrintf("font-family=\"Times\" font-style=\"italic\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5097 else if(!strcmp(prim->data.text->fontname, "Times-BoldItalic"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5098 gl2psPrintf("font-family=\"Times\" font-style=\"italic\" font-weight=\"bold\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5099 else if(!strcmp(prim->data.text->fontname, "Helvetica-Bold"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5100 gl2psPrintf("font-family=\"Helvetica\" font-weight=\"bold\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5101 else if(!strcmp(prim->data.text->fontname, "Helvetica-Oblique"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5102 gl2psPrintf("font-family=\"Helvetica\" font-style=\"oblique\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5103 else if(!strcmp(prim->data.text->fontname, "Helvetica-BoldOblique"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5104 gl2psPrintf("font-family=\"Helvetica\" font-style=\"oblique\" font-weight=\"bold\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5105 else if(!strcmp(prim->data.text->fontname, "Courier-Bold"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5106 gl2psPrintf("font-family=\"Courier\" font-weight=\"bold\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5107 else if(!strcmp(prim->data.text->fontname, "Courier-Oblique"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5108 gl2psPrintf("font-family=\"Courier\" font-style=\"oblique\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5109 else if(!strcmp(prim->data.text->fontname, "Courier-BoldOblique"))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5110 gl2psPrintf("font-family=\"Courier\" font-style=\"oblique\" font-weight=\"bold\">");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5111 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5112 gl2psPrintf("font-family=\"%s\">", prim->data.text->fontname);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5113 gl2psPrintf("%s</text>\n", prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5114 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5115 case GL2PS_SPECIAL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5116 /* alignment contains the format for which the special output text
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5117 is intended */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5118 if(prim->data.text->alignment == GL2PS_SVG)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5119 gl2psPrintf("%s\n", prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5120 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5121 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5122 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5123 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5124 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5125
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5126 static void gl2psPrintSVGFooter(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5127 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5128 gl2psPrintf("</g>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5129 gl2psPrintf("</svg>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5130
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5131 gl2psPrintGzipFooter();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5132 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5133
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5134 static void gl2psPrintSVGBeginViewport(GLint viewport[4])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5135 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5136 GLint index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5137 char col[32];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5138 GLfloat rgba[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5139 int x = viewport[0], y = viewport[1], w = viewport[2], h = viewport[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5140
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5141 glRenderMode(GL_FEEDBACK);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5142
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5143 if(gl2ps->header){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5144 gl2psPrintSVGHeader();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5145 gl2ps->header = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5146 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5147
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5148 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5149 if(gl2ps->colormode == GL_RGBA || gl2ps->colorsize == 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5150 glGetFloatv(GL_COLOR_CLEAR_VALUE, rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5151 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5152 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5153 glGetIntegerv(GL_INDEX_CLEAR_VALUE, &index);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5154 rgba[0] = gl2ps->colormap[index][0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5155 rgba[1] = gl2ps->colormap[index][1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5156 rgba[2] = gl2ps->colormap[index][2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5157 rgba[3] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5158 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5159 gl2psSVGGetColorString(rgba, col);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5160 gl2psPrintf("<polygon fill=\"%s\" points=\"%d,%d %d,%d %d,%d %d,%d\"/>\n", col,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5161 x, gl2ps->viewport[3] - y,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5162 x + w, gl2ps->viewport[3] - y,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5163 x + w, gl2ps->viewport[3] - (y + h),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5164 x, gl2ps->viewport[3] - (y + h));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5165 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5166
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5167 gl2psPrintf("<clipPath id=\"cp%d%d%d%d\">\n", x, y, w, h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5168 gl2psPrintf(" <polygon points=\"%d,%d %d,%d %d,%d %d,%d\"/>\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5169 x, gl2ps->viewport[3] - y,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5170 x + w, gl2ps->viewport[3] - y,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5171 x + w, gl2ps->viewport[3] - (y + h),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5172 x, gl2ps->viewport[3] - (y + h));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5173 gl2psPrintf("</clipPath>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5174 gl2psPrintf("<g clip-path=\"url(#cp%d%d%d%d)\">\n", x, y, w, h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5175 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5176
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5177 static GLint gl2psPrintSVGEndViewport(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5178 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5179 GLint res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5180
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5181 res = gl2psPrintPrimitives();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5182 gl2psPrintf("</g>\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5183 return res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5184 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5185
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5186 static void gl2psPrintSVGFinalPrimitive(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5187 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5188 /* End any remaining line, if any */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5189 gl2psEndSVGLine();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5190 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5191
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5192 /* definition of the SVG backend */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5193
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5194 static GL2PSbackend gl2psSVG = {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5195 gl2psPrintSVGHeader,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5196 gl2psPrintSVGFooter,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5197 gl2psPrintSVGBeginViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5198 gl2psPrintSVGEndViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5199 gl2psPrintSVGPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5200 gl2psPrintSVGFinalPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5201 "svg",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5202 "Scalable Vector Graphics"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5203 };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5204
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5205 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5206 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5207 * PGF routines
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5208 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5209 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5210
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5211 static void gl2psPrintPGFColor(GL2PSrgba rgba)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5212 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5213 if(!gl2psSameColor(gl2ps->lastrgba, rgba)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5214 gl2psSetLastColor(rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5215 fprintf(gl2ps->stream, "\\color[rgb]{%f,%f,%f}\n", rgba[0], rgba[1], rgba[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5216 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5217 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5218
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5219 static void gl2psPrintPGFHeader(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5220 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5221 time_t now;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5222
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5223 time(&now);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5224
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5225 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5226 "%% Title: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5227 "%% Creator: GL2PS %d.%d.%d%s, %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5228 "%% For: %s\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5229 "%% CreationDate: %s",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5230 gl2ps->title, GL2PS_MAJOR_VERSION, GL2PS_MINOR_VERSION,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5231 GL2PS_PATCH_VERSION, GL2PS_EXTRA_VERSION, GL2PS_COPYRIGHT,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5232 gl2ps->producer, ctime(&now));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5233
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5234 fprintf(gl2ps->stream, "\\begin{pgfpicture}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5235 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5236 gl2psPrintPGFColor(gl2ps->bgcolor);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5237 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5238 "\\pgfpathrectanglecorners{"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5239 "\\pgfpoint{%dpt}{%dpt}}{\\pgfpoint{%dpt}{%dpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5240 "\\pgfusepath{fill}\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5241 (int)gl2ps->viewport[0], (int)gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5242 (int)gl2ps->viewport[2], (int)gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5243 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5244 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5245
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5246 static void gl2psPrintPGFDash(GLushort pattern, GLint factor)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5247 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5248 int i, n, array[10];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5249
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5250 if(pattern == gl2ps->lastpattern && factor == gl2ps->lastfactor)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5251 return;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5252
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5253 gl2ps->lastpattern = pattern;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5254 gl2ps->lastfactor = factor;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5255
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5256 if(!pattern || !factor){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5257 /* solid line */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5258 fprintf(gl2ps->stream, "\\pgfsetdash{}{0pt}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5259 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5260 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5261 gl2psParseStipplePattern(pattern, factor, &n, array);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5262 fprintf(gl2ps->stream, "\\pgfsetdash{");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5263 for(i = 0; i < n; i++) fprintf(gl2ps->stream, "{%dpt}", array[i]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5264 fprintf(gl2ps->stream, "}{0pt}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5265 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5266 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5267
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5268 static const char *gl2psPGFTextAlignment(int align)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5269 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5270 switch(align){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5271 case GL2PS_TEXT_C : return "center";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5272 case GL2PS_TEXT_CL : return "west";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5273 case GL2PS_TEXT_CR : return "east";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5274 case GL2PS_TEXT_B : return "south";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5275 case GL2PS_TEXT_BR : return "south east";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5276 case GL2PS_TEXT_T : return "north";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5277 case GL2PS_TEXT_TL : return "north west";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5278 case GL2PS_TEXT_TR : return "north east";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5279 case GL2PS_TEXT_BL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5280 default : return "south west";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5281 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5282 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5283
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5284 static void gl2psPrintPGFPrimitive(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5285 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5286 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5287
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5288 prim = *(GL2PSprimitive**)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5289
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5290 switch(prim->type){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5291 case GL2PS_POINT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5292 /* Points in openGL are rectangular */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5293 gl2psPrintPGFColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5294 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5295 "\\pgfpathrectangle{\\pgfpoint{%fpt}{%fpt}}"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5296 "{\\pgfpoint{%fpt}{%fpt}}\n\\pgfusepath{fill}\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5297 prim->verts[0].xyz[0]-0.5*prim->width,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5298 prim->verts[0].xyz[1]-0.5*prim->width,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5299 prim->width,prim->width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5300 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5301 case GL2PS_LINE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5302 gl2psPrintPGFColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5303 if(gl2ps->lastlinewidth != prim->width){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5304 gl2ps->lastlinewidth = prim->width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5305 fprintf(gl2ps->stream, "\\pgfsetlinewidth{%fpt}\n", gl2ps->lastlinewidth);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5306 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5307 gl2psPrintPGFDash(prim->pattern, prim->factor);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5308 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5309 "\\pgfpathmoveto{\\pgfpoint{%fpt}{%fpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5310 "\\pgflineto{\\pgfpoint{%fpt}{%fpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5311 "\\pgfusepath{stroke}\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5312 prim->verts[1].xyz[0], prim->verts[1].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5313 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5314 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5315 case GL2PS_TRIANGLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5316 if(gl2ps->lastlinewidth != 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5317 gl2ps->lastlinewidth = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5318 fprintf(gl2ps->stream, "\\pgfsetlinewidth{0.01pt}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5319 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5320 gl2psPrintPGFColor(prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5321 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5322 "\\pgfpathmoveto{\\pgfpoint{%fpt}{%fpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5323 "\\pgflineto{\\pgfpoint{%fpt}{%fpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5324 "\\pgflineto{\\pgfpoint{%fpt}{%fpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5325 "\\pgfpathclose\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5326 "\\pgfusepath{fill,stroke}\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5327 prim->verts[2].xyz[0], prim->verts[2].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5328 prim->verts[1].xyz[0], prim->verts[1].xyz[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5329 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5330 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5331 case GL2PS_TEXT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5332 fprintf(gl2ps->stream, "{\n\\pgftransformshift{\\pgfpoint{%fpt}{%fpt}}\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5333 prim->verts[0].xyz[0], prim->verts[0].xyz[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5334
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5335 if(prim->data.text->angle)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5336 fprintf(gl2ps->stream, "\\pgftransformrotate{%f}{", prim->data.text->angle);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5337
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5338 fprintf(gl2ps->stream, "\\pgfnode{rectangle}{%s}{\\fontsize{%d}{0}\\selectfont",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5339 gl2psPGFTextAlignment(prim->data.text->alignment),
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5340 prim->data.text->fontsize);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5341
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5342 fprintf(gl2ps->stream, "\\textcolor[rgb]{%g,%g,%g}{{%s}}",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5343 prim->verts[0].rgba[0], prim->verts[0].rgba[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5344 prim->verts[0].rgba[2], prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5345
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5346 fprintf(gl2ps->stream, "}{}{\\pgfusepath{discard}}}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5347 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5348 case GL2PS_SPECIAL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5349 /* alignment contains the format for which the special output text
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5350 is intended */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5351 if (prim->data.text->alignment == GL2PS_PGF)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5352 fprintf(gl2ps->stream, "%s\n", prim->data.text->str);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5353 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5354 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5355 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5356 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5357 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5358
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5359 static void gl2psPrintPGFFooter(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5360 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5361 fprintf(gl2ps->stream, "\\end{pgfpicture}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5362 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5363
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5364 static void gl2psPrintPGFBeginViewport(GLint viewport[4])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5365 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5366 GLint index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5367 GLfloat rgba[4];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5368 int x = viewport[0], y = viewport[1], w = viewport[2], h = viewport[3];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5369
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5370 glRenderMode(GL_FEEDBACK);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5371
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5372 if(gl2ps->header){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5373 gl2psPrintPGFHeader();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5374 gl2ps->header = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5375 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5376
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5377 fprintf(gl2ps->stream, "\\begin{pgfscope}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5378 if(gl2ps->options & GL2PS_DRAW_BACKGROUND){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5379 if(gl2ps->colormode == GL_RGBA || gl2ps->colorsize == 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5380 glGetFloatv(GL_COLOR_CLEAR_VALUE, rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5381 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5382 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5383 glGetIntegerv(GL_INDEX_CLEAR_VALUE, &index);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5384 rgba[0] = gl2ps->colormap[index][0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5385 rgba[1] = gl2ps->colormap[index][1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5386 rgba[2] = gl2ps->colormap[index][2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5387 rgba[3] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5388 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5389 gl2psPrintPGFColor(rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5390 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5391 "\\pgfpathrectangle{\\pgfpoint{%dpt}{%dpt}}"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5392 "{\\pgfpoint{%dpt}{%dpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5393 "\\pgfusepath{fill}\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5394 x, y, w, h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5395 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5396
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5397 fprintf(gl2ps->stream,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5398 "\\pgfpathrectangle{\\pgfpoint{%dpt}{%dpt}}"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5399 "{\\pgfpoint{%dpt}{%dpt}}\n"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5400 "\\pgfusepath{clip}\n",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5401 x, y, w, h);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5402 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5403
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5404 static GLint gl2psPrintPGFEndViewport(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5405 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5406 GLint res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5407 res = gl2psPrintPrimitives();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5408 fprintf(gl2ps->stream, "\\end{pgfscope}\n");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5409 return res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5410 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5411
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5412 static void gl2psPrintPGFFinalPrimitive(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5413 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5414 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5415
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5416 /* definition of the PGF backend */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5417
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5418 static GL2PSbackend gl2psPGF = {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5419 gl2psPrintPGFHeader,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5420 gl2psPrintPGFFooter,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5421 gl2psPrintPGFBeginViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5422 gl2psPrintPGFEndViewport,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5423 gl2psPrintPGFPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5424 gl2psPrintPGFFinalPrimitive,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5425 "tex",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5426 "PGF Latex Graphics"
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5427 };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5428
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5429 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5430 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5431 * General primitive printing routine
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5432 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5433 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5434
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5435 /* Warning: the ordering of the backends must match the format
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5436 #defines in gl2ps.h */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5437
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5438 static GL2PSbackend *gl2psbackends[] = {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5439 &gl2psPS, /* 0 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5440 &gl2psEPS, /* 1 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5441 &gl2psTEX, /* 2 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5442 &gl2psPDF, /* 3 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5443 &gl2psSVG, /* 4 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5444 &gl2psPGF /* 5 */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5445 };
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5446
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5447 static void gl2psComputeTightBoundingBox(void *data)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5448 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5449 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5450 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5451
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5452 prim = *(GL2PSprimitive**)data;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5453
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5454 for(i = 0; i < prim->numverts; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5455 if(prim->verts[i].xyz[0] < gl2ps->viewport[0])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5456 gl2ps->viewport[0] = (GLint)prim->verts[i].xyz[0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5457 if(prim->verts[i].xyz[0] > gl2ps->viewport[2])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5458 gl2ps->viewport[2] = (GLint)(prim->verts[i].xyz[0] + 0.5F);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5459 if(prim->verts[i].xyz[1] < gl2ps->viewport[1])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5460 gl2ps->viewport[1] = (GLint)prim->verts[i].xyz[1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5461 if(prim->verts[i].xyz[1] > gl2ps->viewport[3])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5462 gl2ps->viewport[3] = (GLint)(prim->verts[i].xyz[1] + 0.5F);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5463 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5464 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5465
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5466 static GLint gl2psPrintPrimitives(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5467 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5468 GL2PSbsptree *root;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5469 GL2PSxyz eye = {0.0F, 0.0F, 100.0F * GL2PS_ZSCALE};
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5470 GLint used;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5471
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5472 used = glRenderMode(GL_RENDER);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5473
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5474 if(used < 0){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5475 gl2psMsg(GL2PS_INFO, "OpenGL feedback buffer overflow");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5476 return GL2PS_OVERFLOW;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5477 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5478
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5479 if(used > 0)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5480 gl2psParseFeedbackBuffer(used);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5481
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5482 gl2psRescaleAndOffset();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5483
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5484 if(gl2ps->header){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5485 if(gl2psListNbr(gl2ps->primitives) &&
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5486 (gl2ps->options & GL2PS_TIGHT_BOUNDING_BOX)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5487 gl2ps->viewport[0] = gl2ps->viewport[1] = 100000;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5488 gl2ps->viewport[2] = gl2ps->viewport[3] = -100000;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5489 gl2psListAction(gl2ps->primitives, gl2psComputeTightBoundingBox);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5490 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5491 (gl2psbackends[gl2ps->format]->printHeader)();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5492 gl2ps->header = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5493 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5494
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5495 if(!gl2psListNbr(gl2ps->primitives)){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5496 /* empty feedback buffer and/or nothing else to print */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5497 return GL2PS_NO_FEEDBACK;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5498 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5499
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5500 switch(gl2ps->sort){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5501 case GL2PS_NO_SORT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5502 gl2psListAction(gl2ps->primitives, gl2psbackends[gl2ps->format]->printPrimitive);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5503 gl2psListAction(gl2ps->primitives, gl2psFreePrimitive);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5504 /* reset the primitive list, waiting for the next viewport */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5505 gl2psListReset(gl2ps->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5506 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5507 case GL2PS_SIMPLE_SORT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5508 gl2psListSort(gl2ps->primitives, gl2psCompareDepth);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5509 if(gl2ps->options & GL2PS_OCCLUSION_CULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5510 gl2psListActionInverse(gl2ps->primitives, gl2psAddInImageTree);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5511 gl2psFreeBspImageTree(&gl2ps->imagetree);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5512 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5513 gl2psListAction(gl2ps->primitives, gl2psbackends[gl2ps->format]->printPrimitive);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5514 gl2psListAction(gl2ps->primitives, gl2psFreePrimitive);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5515 /* reset the primitive list, waiting for the next viewport */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5516 gl2psListReset(gl2ps->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5517 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5518 case GL2PS_BSP_SORT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5519 root = (GL2PSbsptree*)gl2psMalloc(sizeof(GL2PSbsptree));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5520 gl2psBuildBspTree(root, gl2ps->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5521 if(GL_TRUE == gl2ps->boundary) gl2psBuildPolygonBoundary(root);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5522 if(gl2ps->options & GL2PS_OCCLUSION_CULL){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5523 gl2psTraverseBspTree(root, eye, -GL2PS_EPSILON, gl2psLess,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5524 gl2psAddInImageTree, 1);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5525 gl2psFreeBspImageTree(&gl2ps->imagetree);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5526 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5527 gl2psTraverseBspTree(root, eye, GL2PS_EPSILON, gl2psGreater,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5528 gl2psbackends[gl2ps->format]->printPrimitive, 0);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5529 gl2psFreeBspTree(&root);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5530 /* reallocate the primitive list (it's been deleted by
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5531 gl2psBuildBspTree) in case there is another viewport */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5532 gl2ps->primitives = gl2psListCreate(500, 500, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5533 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5534 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5535 gl2psbackends[gl2ps->format]->printFinalPrimitive();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5536
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5537 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5538 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5539
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5540 /*********************************************************************
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5541 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5542 * Public routines
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5543 *
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5544 *********************************************************************/
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5545
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5546 GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5547 GLint viewport[4], GLint format, GLint sort,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5548 GLint options, GLint colormode,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5549 GLint colorsize, GL2PSrgba *colormap,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5550 GLint nr, GLint ng, GLint nb, GLint buffersize,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5551 FILE *stream, const char *filename)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5552 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5553 GLint index;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5554 int i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5555
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5556 if(gl2ps){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5557 gl2psMsg(GL2PS_ERROR, "gl2psBeginPage called in wrong program state");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5558 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5559 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5560
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5561 gl2ps = (GL2PScontext*)gl2psMalloc(sizeof(GL2PScontext));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5562
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5563 if(format >= 0 && format < (GLint)(sizeof(gl2psbackends) / sizeof(gl2psbackends[0]))){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5564 gl2ps->format = format;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5565 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5566 else {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5567 gl2psMsg(GL2PS_ERROR, "Unknown output format: %d", format);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5568 gl2psFree(gl2ps);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5569 gl2ps = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5570 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5571 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5572
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5573 switch(sort){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5574 case GL2PS_NO_SORT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5575 case GL2PS_SIMPLE_SORT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5576 case GL2PS_BSP_SORT :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5577 gl2ps->sort = sort;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5578 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5579 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5580 gl2psMsg(GL2PS_ERROR, "Unknown sorting algorithm: %d", sort);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5581 gl2psFree(gl2ps);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5582 gl2ps = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5583 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5584 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5585
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5586 if(stream){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5587 gl2ps->stream = stream;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5588 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5589 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5590 gl2psMsg(GL2PS_ERROR, "Bad file pointer");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5591 gl2psFree(gl2ps);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5592 gl2ps = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5593 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5594 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5595
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5596 gl2ps->header = GL_TRUE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5597 gl2ps->maxbestroot = 10;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5598 gl2ps->options = options;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5599 gl2ps->compress = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5600 gl2ps->imagemap_head = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5601 gl2ps->imagemap_tail = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5602
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5603 if(gl2ps->options & GL2PS_USE_CURRENT_VIEWPORT){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5604 glGetIntegerv(GL_VIEWPORT, gl2ps->viewport);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5605 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5606 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5607 for(i = 0; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5608 gl2ps->viewport[i] = viewport[i];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5609 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5610 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5611
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5612 if(!gl2ps->viewport[2] || !gl2ps->viewport[3]){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5613 gl2psMsg(GL2PS_ERROR, "Incorrect viewport (x=%d, y=%d, width=%d, height=%d)",
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5614 gl2ps->viewport[0], gl2ps->viewport[1],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5615 gl2ps->viewport[2], gl2ps->viewport[3]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5616 gl2psFree(gl2ps);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5617 gl2ps = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5618 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5619 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5620
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5621 gl2ps->threshold[0] = nr ? 1.0F / (GLfloat)nr : 0.064F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5622 gl2ps->threshold[1] = ng ? 1.0F / (GLfloat)ng : 0.034F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5623 gl2ps->threshold[2] = nb ? 1.0F / (GLfloat)nb : 0.100F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5624 gl2ps->colormode = colormode;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5625 gl2ps->buffersize = buffersize > 0 ? buffersize : 2048 * 2048;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5626 for(i = 0; i < 3; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5627 gl2ps->lastvertex.xyz[i] = -1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5628 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5629 for(i = 0; i < 4; i++){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5630 gl2ps->lastvertex.rgba[i] = -1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5631 gl2ps->lastrgba[i] = -1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5632 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5633 gl2ps->lastlinewidth = -1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5634 gl2ps->lastpattern = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5635 gl2ps->lastfactor = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5636 gl2ps->imagetree = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5637 gl2ps->primitivetoadd = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5638 gl2ps->zerosurfacearea = GL_FALSE;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5639 gl2ps->pdfprimlist = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5640 gl2ps->pdfgrouplist = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5641 gl2ps->xreflist = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5642
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5643 /* get default blending mode from current OpenGL state (enabled by
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5644 default for SVG) */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5645 gl2ps->blending = (gl2ps->format == GL2PS_SVG) ? GL_TRUE : glIsEnabled(GL_BLEND);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5646 glGetIntegerv(GL_BLEND_SRC, &gl2ps->blendfunc[0]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5647 glGetIntegerv(GL_BLEND_DST, &gl2ps->blendfunc[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5648
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5649 if(gl2ps->colormode == GL_RGBA){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5650 gl2ps->colorsize = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5651 gl2ps->colormap = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5652 glGetFloatv(GL_COLOR_CLEAR_VALUE, gl2ps->bgcolor);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5653 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5654 else if(gl2ps->colormode == GL_COLOR_INDEX){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5655 if(!colorsize || !colormap){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5656 gl2psMsg(GL2PS_ERROR, "Missing colormap for GL_COLOR_INDEX rendering");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5657 gl2psFree(gl2ps);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5658 gl2ps = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5659 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5660 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5661 gl2ps->colorsize = colorsize;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5662 gl2ps->colormap = (GL2PSrgba*)gl2psMalloc(gl2ps->colorsize * sizeof(GL2PSrgba));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5663 memcpy(gl2ps->colormap, colormap, gl2ps->colorsize * sizeof(GL2PSrgba));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5664 glGetIntegerv(GL_INDEX_CLEAR_VALUE, &index);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5665 gl2ps->bgcolor[0] = gl2ps->colormap[index][0];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5666 gl2ps->bgcolor[1] = gl2ps->colormap[index][1];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5667 gl2ps->bgcolor[2] = gl2ps->colormap[index][2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5668 gl2ps->bgcolor[3] = 1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5669 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5670 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5671 gl2psMsg(GL2PS_ERROR, "Unknown color mode in gl2psBeginPage");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5672 gl2psFree(gl2ps);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5673 gl2ps = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5674 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5675 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5676
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5677 if(!title){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5678 gl2ps->title = (char*)gl2psMalloc(sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5679 gl2ps->title[0] = '\0';
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5680 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5681 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5682 gl2ps->title = (char*)gl2psMalloc((strlen(title)+1)*sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5683 strcpy(gl2ps->title, title);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5684 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5685
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5686 if(!producer){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5687 gl2ps->producer = (char*)gl2psMalloc(sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5688 gl2ps->producer[0] = '\0';
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5689 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5690 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5691 gl2ps->producer = (char*)gl2psMalloc((strlen(producer)+1)*sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5692 strcpy(gl2ps->producer, producer);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5693 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5694
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5695 if(!filename){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5696 gl2ps->filename = (char*)gl2psMalloc(sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5697 gl2ps->filename[0] = '\0';
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5698 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5699 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5700 gl2ps->filename = (char*)gl2psMalloc((strlen(filename)+1)*sizeof(char));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5701 strcpy(gl2ps->filename, filename);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5702 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5703
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5704 gl2ps->primitives = gl2psListCreate(500, 500, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5705 gl2ps->auxprimitives = gl2psListCreate(100, 100, sizeof(GL2PSprimitive*));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5706 gl2ps->feedback = (GLfloat*)gl2psMalloc(gl2ps->buffersize * sizeof(GLfloat));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5707 glFeedbackBuffer(gl2ps->buffersize, GL_3D_COLOR, gl2ps->feedback);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5708 glRenderMode(GL_FEEDBACK);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5709
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5710 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5711 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5712
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5713 GL2PSDLL_API GLint gl2psEndPage(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5714 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5715 GLint res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5716
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5717 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5718
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5719 res = gl2psPrintPrimitives();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5720
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5721 if(res != GL2PS_OVERFLOW)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5722 (gl2psbackends[gl2ps->format]->printFooter)();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5723
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5724 fflush(gl2ps->stream);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5725
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5726 gl2psListDelete(gl2ps->primitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5727 gl2psListDelete(gl2ps->auxprimitives);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5728 gl2psFreeImagemap(gl2ps->imagemap_head);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5729 gl2psFree(gl2ps->colormap);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5730 gl2psFree(gl2ps->title);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5731 gl2psFree(gl2ps->producer);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5732 gl2psFree(gl2ps->filename);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5733 gl2psFree(gl2ps->feedback);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5734 gl2psFree(gl2ps);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5735 gl2ps = NULL;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5736
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5737 return res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5738 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5739
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5740 GL2PSDLL_API GLint gl2psBeginViewport(GLint viewport[4])
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5741 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5742 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5743
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5744 (gl2psbackends[gl2ps->format]->beginViewport)(viewport);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5745
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5746 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5747 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5748
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5749 GL2PSDLL_API GLint gl2psEndViewport(void)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5750 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5751 GLint res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5752
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5753 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5754
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5755 res = (gl2psbackends[gl2ps->format]->endViewport)();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5756
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5757 /* reset last used colors, line widths */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5758 gl2ps->lastlinewidth = -1.0F;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5759
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5760 return res;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5761 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5762
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5763 GL2PSDLL_API GLint gl2psTextOpt(const char *str, const char *fontname,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5764 GLshort fontsize, GLint alignment, GLfloat angle)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5765 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5766 return gl2psAddText(GL2PS_TEXT, str, fontname, fontsize, alignment, angle);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5767 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5768
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5769 GL2PSDLL_API GLint gl2psText(const char *str, const char *fontname, GLshort fontsize)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5770 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5771 return gl2psAddText(GL2PS_TEXT, str, fontname, fontsize, GL2PS_TEXT_BL, 0.0F);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5772 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5773
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5774 GL2PSDLL_API GLint gl2psSpecial(GLint format, const char *str)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5775 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5776 return gl2psAddText(GL2PS_SPECIAL, str, "", 0, format, 0.0F);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5777 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5778
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5779 GL2PSDLL_API GLint gl2psDrawPixels(GLsizei width, GLsizei height,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5780 GLint xorig, GLint yorig,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5781 GLenum format, GLenum type,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5782 const void *pixels)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5783 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5784 int size, i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5785 GLfloat pos[4], *piv;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5786 GL2PSprimitive *prim;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5787 GLboolean valid;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5788
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5789 if(!gl2ps || !pixels) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5790
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5791 if((width <= 0) || (height <= 0)) return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5792
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5793 if(gl2ps->options & GL2PS_NO_PIXMAP) return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5794
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5795 if((format != GL_RGB && format != GL_RGBA) || type != GL_FLOAT){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5796 gl2psMsg(GL2PS_ERROR, "gl2psDrawPixels only implemented for "
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5797 "GL_RGB/GL_RGBA, GL_FLOAT pixels");
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5798 return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5799 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5800
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5801 glGetBooleanv(GL_CURRENT_RASTER_POSITION_VALID, &valid);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5802 if(GL_FALSE == valid) return GL2PS_SUCCESS; /* the primitive is culled */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5803
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5804 glGetFloatv(GL_CURRENT_RASTER_POSITION, pos);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5805
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5806 prim = (GL2PSprimitive*)gl2psMalloc(sizeof(GL2PSprimitive));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5807 prim->type = GL2PS_PIXMAP;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5808 prim->boundary = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5809 prim->numverts = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5810 prim->verts = (GL2PSvertex*)gl2psMalloc(sizeof(GL2PSvertex));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5811 prim->verts[0].xyz[0] = pos[0] + xorig;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5812 prim->verts[0].xyz[1] = pos[1] + yorig;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5813 prim->verts[0].xyz[2] = pos[2];
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5814 prim->culled = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5815 prim->offset = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5816 prim->pattern = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5817 prim->factor = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5818 prim->width = 1;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5819 glGetFloatv(GL_CURRENT_RASTER_COLOR, prim->verts[0].rgba);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5820 prim->data.image = (GL2PSimage*)gl2psMalloc(sizeof(GL2PSimage));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5821 prim->data.image->width = width;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5822 prim->data.image->height = height;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5823 prim->data.image->format = format;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5824 prim->data.image->type = type;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5825
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5826 switch(format){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5827 case GL_RGBA:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5828 if(gl2ps->options & GL2PS_NO_BLENDING || !gl2ps->blending){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5829 /* special case: blending turned off */
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5830 prim->data.image->format = GL_RGB;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5831 size = height * width * 3;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5832 prim->data.image->pixels = (GLfloat*)gl2psMalloc(size * sizeof(GLfloat));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5833 piv = (GLfloat*)pixels;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5834 for(i = 0; i < size; ++i, ++piv){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5835 prim->data.image->pixels[i] = *piv;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5836 if(!((i+1)%3))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5837 ++piv;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5838 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5839 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5840 else{
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5841 size = height * width * 4;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5842 prim->data.image->pixels = (GLfloat*)gl2psMalloc(size * sizeof(GLfloat));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5843 memcpy(prim->data.image->pixels, pixels, size * sizeof(GLfloat));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5844 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5845 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5846 case GL_RGB:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5847 default:
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5848 size = height * width * 3;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5849 prim->data.image->pixels = (GLfloat*)gl2psMalloc(size * sizeof(GLfloat));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5850 memcpy(prim->data.image->pixels, pixels, size * sizeof(GLfloat));
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5851 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5852 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5853
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5854 gl2psListAdd(gl2ps->auxprimitives, &prim);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5855 glPassThrough(GL2PS_DRAW_PIXELS_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5856
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5857 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5858 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5859
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5860 GL2PSDLL_API GLint gl2psDrawImageMap(GLsizei width, GLsizei height,
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5861 const GLfloat position[3],
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5862 const unsigned char *imagemap){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5863 int size, i;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5864 int sizeoffloat = sizeof(GLfloat);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5865
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5866 if(!gl2ps || !imagemap) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5867
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5868 if((width <= 0) || (height <= 0)) return GL2PS_ERROR;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5869
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5870 size = height + height * ((width - 1) / 8);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5871 glPassThrough(GL2PS_IMAGEMAP_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5872 glBegin(GL_POINTS);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5873 glVertex3f(position[0], position[1],position[2]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5874 glEnd();
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5875 glPassThrough((GLfloat)width);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5876 glPassThrough((GLfloat)height);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5877 for(i = 0; i < size; i += sizeoffloat){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5878 float *value = (float*)imagemap;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5879 glPassThrough(*value);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5880 imagemap += sizeoffloat;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5881 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5882 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5883 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5884
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5885 GL2PSDLL_API GLint gl2psEnable(GLint mode)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5886 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5887 GLint tmp;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5888
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5889 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5890
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5891 switch(mode){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5892 case GL2PS_POLYGON_OFFSET_FILL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5893 glPassThrough(GL2PS_BEGIN_OFFSET_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5894 glGetFloatv(GL_POLYGON_OFFSET_FACTOR, &gl2ps->offset[0]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5895 glGetFloatv(GL_POLYGON_OFFSET_UNITS, &gl2ps->offset[1]);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5896 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5897 case GL2PS_POLYGON_BOUNDARY :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5898 glPassThrough(GL2PS_BEGIN_BOUNDARY_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5899 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5900 case GL2PS_LINE_STIPPLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5901 glPassThrough(GL2PS_BEGIN_STIPPLE_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5902 glGetIntegerv(GL_LINE_STIPPLE_PATTERN, &tmp);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5903 glPassThrough((GLfloat)tmp);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5904 glGetIntegerv(GL_LINE_STIPPLE_REPEAT, &tmp);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5905 glPassThrough((GLfloat)tmp);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5906 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5907 case GL2PS_BLEND :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5908 glPassThrough(GL2PS_BEGIN_BLEND_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5909 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5910 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5911 gl2psMsg(GL2PS_WARNING, "Unknown mode in gl2psEnable: %d", mode);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5912 return GL2PS_WARNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5913 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5914
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5915 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5916 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5917
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5918 GL2PSDLL_API GLint gl2psDisable(GLint mode)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5919 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5920 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5921
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5922 switch(mode){
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5923 case GL2PS_POLYGON_OFFSET_FILL :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5924 glPassThrough(GL2PS_END_OFFSET_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5925 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5926 case GL2PS_POLYGON_BOUNDARY :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5927 glPassThrough(GL2PS_END_BOUNDARY_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5928 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5929 case GL2PS_LINE_STIPPLE :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5930 glPassThrough(GL2PS_END_STIPPLE_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5931 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5932 case GL2PS_BLEND :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5933 glPassThrough(GL2PS_END_BLEND_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5934 break;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5935 default :
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5936 gl2psMsg(GL2PS_WARNING, "Unknown mode in gl2psDisable: %d", mode);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5937 return GL2PS_WARNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5938 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5939
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5940 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5941 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5942
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5943 GL2PSDLL_API GLint gl2psPointSize(GLfloat value)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5944 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5945 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5946
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5947 glPassThrough(GL2PS_POINT_SIZE_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5948 glPassThrough(value);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5949
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5950 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5951 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5952
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5953 GL2PSDLL_API GLint gl2psLineWidth(GLfloat value)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5954 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5955 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5956
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5957 glPassThrough(GL2PS_LINE_WIDTH_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5958 glPassThrough(value);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5959
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5960 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5961 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5962
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5963 GL2PSDLL_API GLint gl2psBlendFunc(GLenum sfactor, GLenum dfactor)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5964 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5965 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5966
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5967 if(GL_FALSE == gl2psSupportedBlendMode(sfactor, dfactor))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5968 return GL2PS_WARNING;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5969
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5970 glPassThrough(GL2PS_SRC_BLEND_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5971 glPassThrough((GLfloat)sfactor);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5972 glPassThrough(GL2PS_DST_BLEND_TOKEN);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5973 glPassThrough((GLfloat)dfactor);
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5974
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5975 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5976 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5977
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5978 GL2PSDLL_API GLint gl2psSetOptions(GLint options)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5979 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5980 if(!gl2ps) return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5981
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5982 gl2ps->options = options;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5983
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5984 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5985 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5986
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5987 GL2PSDLL_API GLint gl2psGetOptions(GLint *options)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5988 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5989 if(!gl2ps) {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5990 *options = 0;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5991 return GL2PS_UNINITIALIZED;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5992 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5993
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5994 *options = gl2ps->options;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5995
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5996 return GL2PS_SUCCESS;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5997 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5998
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
5999 GL2PSDLL_API const char *gl2psGetFileExtension(GLint format)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6000 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6001 if(format >= 0 && format < (GLint)(sizeof(gl2psbackends) / sizeof(gl2psbackends[0])))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6002 return gl2psbackends[format]->file_extension;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6003 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6004 return "Unknown format";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6005 }
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6006
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6007 GL2PSDLL_API const char *gl2psGetFormatDescription(GLint format)
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6008 {
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6009 if(format >= 0 && format < (GLint)(sizeof(gl2psbackends) / sizeof(gl2psbackends[0])))
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6010 return gl2psbackends[format]->description;
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6011 else
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6012 return "Unknown format";
2d6a5af744b6 printing for fltk backend using gl2ps
Shai Ayal <shaiay@users.sourceforge.net>
parents:
diff changeset
6013 }