Mercurial > hg > octave-lyh
annotate src/txt-eng-ft.cc @ 12965:22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
* __axis_label__.m: Don't check type of txt argument.
* __go_draw_axes__.m: Handle multi-line string property for
text objects.
* text.m: Likewise.
* gl2ps-renderer.cc (glps_renderer::draw_text): Handle
text::properties string property as octave_value object that can
contain either a char array or cellstr object.
* graphics.cc (axes::properties::update_xlabel_position,
axes::properties::update_ylabel_position,
axes::properties::update_zlabel_position,
axes::properties::get_extent, text::properties::update_text_extent): Likewise.
* graphics.h.in (text_label_property::do_set): Don't forget to set
stored_type when value is a cell.
(text::properties::get_string): Delete custom getter.
author | Ben Abbott <bpabbott@mac.com> |
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date | Mon, 15 Aug 2011 10:24:09 -0400 |
parents | 63dc132a1000 |
children | 6fc2c61660f2 |
rev | line source |
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1 /* |
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2 |
11523 | 3 Copyright (C) 2009-2011 Michael Goffioul |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #if HAVE_FREETYPE |
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28 |
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29 #if HAVE_FONTCONFIG |
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30 #include <fontconfig/fontconfig.h> |
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31 #endif |
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32 |
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33 #include <iostream> |
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34 |
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35 #include "error.h" |
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36 #include "pr-output.h" |
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37 #include "txt-eng-ft.h" |
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38 |
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39 class |
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40 ft_manager |
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41 { |
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42 public: |
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43 static bool instance_ok (void) |
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44 { |
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45 bool retval = true; |
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46 |
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47 if (! instance) |
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48 instance = new ft_manager (); |
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49 |
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50 if (! instance) |
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51 { |
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52 ::error ("unable to create ft_manager!"); |
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53 |
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54 retval = false; |
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55 } |
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56 |
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57 return retval; |
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58 } |
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59 |
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60 static FT_Face get_font (const std::string& name, const std::string& weight, |
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61 const std::string& angle, double size) |
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62 { return (instance_ok () |
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63 ? instance->do_get_font (name, weight, angle, size) |
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64 : 0); } |
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65 |
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66 private: |
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67 |
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68 static ft_manager *instance; |
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69 |
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70 private: |
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71 |
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72 // No copying! |
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73 |
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74 ft_manager (const ft_manager&); |
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75 |
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76 ft_manager& operator = (const ft_manager&); |
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77 |
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78 ft_manager (void) : library () |
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79 #if HAVE_FONTCONFIG |
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80 , fc_init_done (false) |
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81 #endif |
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82 { |
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83 if (FT_Init_FreeType (&library)) |
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84 { |
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85 ::error ("unable to initialize freetype library"); |
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86 } |
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87 |
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88 #if HAVE_FONTCONFIG |
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89 fc_init_done = false; |
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90 if (! FcInit ()) |
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91 { |
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92 ::error ("unable to initialize fontconfig library"); |
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93 } |
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94 else |
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95 { |
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96 fc_init_done = true; |
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97 } |
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98 #endif |
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99 } |
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100 |
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101 ~ft_manager (void) |
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102 { |
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103 #if HAVE_FONTCONFIG |
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104 FcFini (); |
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105 fc_init_done = false; |
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106 #endif |
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107 } |
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108 |
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109 FT_Face do_get_font (const std::string& name, const std::string& weight, |
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110 const std::string& angle, double size) |
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111 { |
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112 FT_Face retval = 0; |
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113 |
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114 std::string file; |
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115 |
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116 #if HAVE_FONTCONFIG |
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117 if (fc_init_done) |
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118 { |
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119 int fc_weight, fc_angle; |
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120 |
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121 if (weight == "bold") |
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122 fc_weight = FC_WEIGHT_BOLD; |
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123 else if (weight == "light") |
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124 fc_weight = FC_WEIGHT_LIGHT; |
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125 else if (weight == "demi") |
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126 fc_weight = FC_WEIGHT_DEMIBOLD; |
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127 else |
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128 fc_weight = FC_WEIGHT_NORMAL; |
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129 |
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130 if (angle == "italic") |
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131 fc_angle = FC_SLANT_ITALIC; |
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132 else if (angle == "oblique") |
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133 fc_angle = FC_SLANT_OBLIQUE; |
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134 else |
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135 fc_angle = FC_SLANT_ROMAN; |
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136 |
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137 FcPattern *pat = FcPatternCreate (); |
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138 |
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139 FcPatternAddString (pat, FC_FAMILY, |
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140 (reinterpret_cast<const FcChar8*> |
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141 (name == "*" ? "sans" : name.c_str ()))); |
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142 |
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143 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight); |
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144 FcPatternAddInteger (pat, FC_SLANT, fc_angle); |
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145 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size); |
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146 |
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147 if (FcConfigSubstitute (0, pat, FcMatchPattern)) |
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148 { |
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149 FcResult res; |
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150 FcPattern *match; |
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151 |
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152 FcDefaultSubstitute (pat); |
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153 match = FcFontMatch (0, pat, &res); |
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155 // FIXME -- originally, this test also required that |
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156 // res != FcResultNoMatch. Is that really needed? |
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157 if (match) |
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158 { |
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159 unsigned char *tmp; |
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160 |
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161 FcPatternGetString (match, FC_FILE, 0, &tmp); |
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162 file = reinterpret_cast<char*> (tmp); |
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163 } |
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164 else |
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165 ::warning ("could not match any font: %s-%s-%s-%g", |
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166 name.c_str (), weight.c_str (), angle.c_str (), |
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167 size); |
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168 |
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169 if (match) |
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170 FcPatternDestroy (match); |
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171 } |
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172 |
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173 FcPatternDestroy (pat); |
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174 } |
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175 #endif |
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176 |
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177 if (file.empty ()) |
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178 { |
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179 #ifdef __WIN32__ |
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180 file = "C:/WINDOWS/Fonts/verdana.ttf"; |
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181 #else |
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182 // FIXME: find a "standard" font for UNIX platforms |
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183 #endif |
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184 } |
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185 |
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186 if (! file.empty () && FT_New_Face (library, file.c_str (), 0, &retval)) |
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187 ::warning ("ft_manager: unable to load font: %s", file.c_str ()); |
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188 |
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189 return retval; |
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190 } |
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191 |
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192 private: |
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193 FT_Library library; |
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194 #if HAVE_FONTCONFIG |
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195 bool fc_init_done; |
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196 #endif |
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197 }; |
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198 |
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199 ft_manager* ft_manager::instance = 0; |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 |
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203 ft_render::ft_render (void) |
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204 : text_processor (), face (0), bbox (1, 4, 0.0), |
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205 xoffset (0), yoffset (0), mode (MODE_BBOX), |
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206 red (0), green (0), blue (0) |
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207 { |
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208 } |
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209 |
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210 ft_render::~ft_render (void) |
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211 { |
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212 if (face) |
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213 FT_Done_Face (face); |
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214 } |
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215 |
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216 void |
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217 ft_render::set_font (const std::string& name, const std::string& weight, |
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218 const std::string& angle, double size) |
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219 { |
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220 if (face) |
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221 FT_Done_Face (face); |
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222 |
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223 // FIXME: take "fontunits" into account |
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224 face = ft_manager::get_font (name, weight, angle, size); |
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225 |
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226 if (face) |
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227 { |
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228 if (FT_Set_Char_Size (face, 0, size*64, 0, 0)) |
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229 ::warning ("ft_render: unable to set font size to %d", size); |
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230 } |
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231 else |
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232 ::warning ("ft_render: unable to load appropriate font"); |
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233 } |
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234 |
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235 void |
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236 ft_render::set_mode (int m) |
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237 { |
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238 mode = m; |
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239 |
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240 switch (mode) |
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241 { |
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242 case MODE_BBOX: |
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243 xoffset = yoffset = 0; |
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244 bbox = Matrix (1, 4, 0.0); |
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245 break; |
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246 case MODE_RENDER: |
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247 if (bbox.numel () != 4) |
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248 { |
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249 ::warning ("ft_render: invalid bounding box, cannot render"); |
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250 |
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251 xoffset = yoffset = 0; |
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252 pixels = uint8NDArray (); |
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253 } |
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254 else |
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255 { |
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256 pixels = uint8NDArray (dim_vector (4, bbox(2), bbox(3)), |
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257 static_cast<uint8_t> (0)); |
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258 xoffset = 0; |
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259 yoffset = -bbox(1)-1; |
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260 } |
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261 break; |
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262 default: |
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263 ::error ("ft_render: invalid mode `%d'", mode); |
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264 break; |
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265 } |
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266 } |
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267 |
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268 void |
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269 ft_render::visit (text_element_string& e) |
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270 { |
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271 if (face) |
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272 { |
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273 FT_UInt box_line_width = 0; |
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274 std::string str = e.string_value (); |
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275 FT_UInt glyph_index, previous = 0; |
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276 |
10553 | 277 for (size_t i = 0; i < str.length (); i++) |
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278 { |
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279 glyph_index = FT_Get_Char_Index (face, str[i]); |
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280 |
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281 if (str[i] != '\n' |
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282 && (! glyph_index |
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283 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))) |
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284 ::warning ("ft_render: skipping missing glyph for character `%c'", |
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285 str[i]); |
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286 else |
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287 { |
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288 switch (mode) |
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289 { |
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290 case MODE_RENDER: |
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291 if (str[i] == '\n') |
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292 { |
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293 glyph_index = FT_Get_Char_Index(face, ' '); |
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294 if (!glyph_index || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)) |
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295 { |
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296 ::warning ("ft_render: skipping missing glyph for character ` '"); |
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297 } |
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298 else |
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299 { |
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300 xoffset = 0; |
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301 yoffset -= (face->size->metrics.height >> 6); |
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302 } |
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303 } |
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304 else if (FT_Render_Glyph (face->glyph, FT_RENDER_MODE_NORMAL)) |
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305 ::warning ("ft_render: unable to render glyph for character `%c'", |
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306 str[i]); |
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307 else |
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308 { |
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309 FT_Bitmap& bitmap = face->glyph->bitmap; |
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310 int x0, y0; |
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311 |
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312 if (previous) |
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313 { |
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314 FT_Vector delta; |
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315 |
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316 FT_Get_Kerning (face, previous, glyph_index, FT_KERNING_DEFAULT, &delta); |
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317 xoffset += (delta.x >> 6); |
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318 } |
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319 |
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320 x0 = xoffset+face->glyph->bitmap_left; |
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321 y0 = yoffset+face->glyph->bitmap_top; |
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322 |
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323 // 'w' seems to have a negative -1 |
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324 // face->glyph->bitmap_left, this is so we don't |
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325 // index out of bound, and assumes we we allocated |
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326 // the right amount of horizontal space in the bbox. |
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327 if (x0 < 0) |
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328 x0 = 0; |
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329 |
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330 for (int r = 0; r < bitmap.rows; r++) |
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331 for (int c = 0; c < bitmap.width; c++) |
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332 { |
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333 unsigned char pix = bitmap.buffer[r*bitmap.width+c]; |
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334 if (x0+c < 0 || x0+c >= pixels.dim2() |
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335 || y0-r < 0 || y0-r >= pixels.dim3()) |
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336 { |
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337 //::error ("out-of-bound indexing!!"); |
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338 } |
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339 else if (pixels(3, x0+c, y0-r).value () == 0) |
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340 { |
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341 pixels(0, x0+c, y0-r) = red; |
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342 pixels(1, x0+c, y0-r) = green; |
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343 pixels(2, x0+c, y0-r) = blue; |
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344 pixels(3, x0+c, y0-r) = pix; |
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345 } |
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346 } |
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347 |
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348 xoffset += (face->glyph->advance.x >> 6); |
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349 } |
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350 break; |
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351 |
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352 case MODE_BBOX: |
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353 if (str[i] == '\n') |
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354 { |
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355 glyph_index = FT_Get_Char_Index(face, ' '); |
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356 if (! glyph_index |
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357 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)) |
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358 { |
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359 ::warning ("ft_render: skipping missing glyph for character ` '"); |
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360 } |
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361 else |
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362 { |
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363 // Reset the pixel width for this newline, so we don't |
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364 // allocate a bounding box larger than the horizontal |
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365 // width of the multi-line |
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366 box_line_width = 0; |
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367 bbox(1) -= (face->size->metrics.height >> 6); |
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368 } |
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|
369 } |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
370 else |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
371 { |
12965
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allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
372 // width |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
373 if (previous) |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
374 { |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
375 FT_Vector delta; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
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diff
changeset
|
376 |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
377 FT_Get_Kerning (face, previous, glyph_index, |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
378 FT_KERNING_DEFAULT, &delta); |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
379 |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
380 box_line_width += (delta.x >> 6); |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
381 } |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
382 |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
383 box_line_width += (face->glyph->advance.x >> 6); |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
384 |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
385 int asc, desc; |
9403
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[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
386 |
12965
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
387 if (false /*tight*/) |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
388 { |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
389 desc = face->glyph->metrics.horiBearingY - face->glyph->metrics.height; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
390 asc = face->glyph->metrics.horiBearingY; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
391 } |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
392 else |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
393 { |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
394 asc = face->size->metrics.ascender; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
395 desc = face->size->metrics.descender; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
396 } |
9403
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[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
397 |
12965
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
398 asc = yoffset + (asc >> 6); |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
399 desc = yoffset + (desc >> 6); |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
400 |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
401 if (desc < bbox(1)) |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
402 { |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
403 bbox(3) += (bbox(1) - desc); |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
404 bbox(1) = desc; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
405 } |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
406 if (asc > (bbox(3)+bbox(1))) |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
407 bbox(3) = asc-bbox(1); |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
408 if (bbox(2) < box_line_width) |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
409 bbox(2) = box_line_width; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
410 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
411 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
412 } |
12965
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
413 if (str[i] == '\n') |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
414 previous = 0; |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
415 else |
22bc9ec80c2c
allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents:
12334
diff
changeset
|
416 previous = glyph_index; |
10315
57a59eae83cc
untabify src C++ source files
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9833
diff
changeset
|
417 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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9833
diff
changeset
|
418 } |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
419 } |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
420 } |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
421 |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
422 void |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
423 ft_render::reset (void) |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
424 { |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
425 set_mode (MODE_BBOX); |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
426 set_color (Matrix (1, 3, 0.0)); |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
427 } |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
428 |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
429 void |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
430 ft_render::set_color (Matrix c) |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
431 { |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
432 if (c.numel () == 3) |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
433 { |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
434 red = static_cast<uint8_t> (c(0)*255); |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
435 green = static_cast<uint8_t> (c(1)*255); |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
436 blue = static_cast<uint8_t> (c(2)*255); |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
437 } |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
438 else |
9616
2093499ec9f4
avoid crash if default font can't be found
John W. Eaton <jwe@octave.org>
parents:
9406
diff
changeset
|
439 ::warning ("ft_render::set_color: invalid color"); |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
440 } |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
441 |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
442 uint8NDArray |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
443 ft_render::render (text_element* elt, Matrix& box, int rotation) |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
444 { |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
445 set_mode (MODE_BBOX); |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
446 elt->accept (*this); |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
447 box = bbox; |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
448 |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
449 set_mode (MODE_RENDER); |
9406
c0c23dbbade7
Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
9405
diff
changeset
|
450 if (pixels.numel () > 0) |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
451 { |
9406
c0c23dbbade7
Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
9405
diff
changeset
|
452 elt->accept (*this); |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
453 |
9406
c0c23dbbade7
Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
9405
diff
changeset
|
454 switch (rotation) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
455 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
456 case ROTATION_0: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
457 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
458 case ROTATION_90: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
459 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
460 Array<octave_idx_type> perm (dim_vector (3, 1)); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
461 perm(0) = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
462 perm(1) = 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
463 perm(2) = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
464 pixels = pixels.permute (perm); |
9406
c0c23dbbade7
Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
9405
diff
changeset
|
465 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
466 Array<idx_vector> idx (dim_vector (3, 1)); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
467 idx(0) = idx_vector (':'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
468 idx(1) = idx_vector (pixels.dim2()-1, -1, -1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
469 idx(2) = idx_vector (':'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
470 pixels = uint8NDArray (pixels.index (idx)); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
471 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
472 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
473 case ROTATION_180: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
474 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
475 Array<idx_vector> idx (dim_vector (3, 1)); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
476 idx(0) = idx_vector (':'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
477 idx(1) = idx_vector (pixels.dim2()-1, -1, -1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
478 idx(2)= idx_vector (pixels.dim3()-1, -1, -1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
479 pixels = uint8NDArray (pixels.index (idx)); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
480 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
481 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
482 case ROTATION_270: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
483 { |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
484 Array<octave_idx_type> perm (dim_vector (3, 1)); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
485 perm(0) = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
486 perm(1) = 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
487 perm(2) = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
488 pixels = pixels.permute (perm); |
9406
c0c23dbbade7
Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
9405
diff
changeset
|
489 |
11570
57632dea2446
attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
490 Array<idx_vector> idx (dim_vector (3, 1)); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
9833
diff
changeset
|
491 idx(0) = idx_vector (':'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
492 idx(1) = idx_vector (':'); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
493 idx(2) = idx_vector (pixels.dim3()-1, -1, -1); |
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parents:
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|
494 pixels = uint8NDArray (pixels.index (idx)); |
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parents:
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diff
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|
495 } |
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parents:
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diff
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|
496 break; |
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
497 } |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
498 } |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
499 |
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
500 return pixels; |
4af6e29449c1
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Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
501 } |
4af6e29449c1
[mq]: graphics_text_engine
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parents:
diff
changeset
|
502 |
10402
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
503 Matrix |
9f2bf537a651
Implement text extent property
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parents:
10350
diff
changeset
|
504 ft_render::get_extent (text_element *elt, double rotation) |
9f2bf537a651
Implement text extent property
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parents:
10350
diff
changeset
|
505 { |
9f2bf537a651
Implement text extent property
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parents:
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|
506 set_mode (MODE_BBOX); |
9f2bf537a651
Implement text extent property
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parents:
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diff
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|
507 elt->accept (*this); |
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Implement text extent property
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parents:
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diff
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|
508 |
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Implement text extent property
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parents:
10350
diff
changeset
|
509 Matrix extent (1, 2, 0.0); |
9f2bf537a651
Implement text extent property
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parents:
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diff
changeset
|
510 |
9f2bf537a651
Implement text extent property
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parents:
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diff
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|
511 switch (rotation_to_mode (rotation)) |
9f2bf537a651
Implement text extent property
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parents:
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diff
changeset
|
512 { |
9f2bf537a651
Implement text extent property
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parents:
10350
diff
changeset
|
513 case ROTATION_0: |
9f2bf537a651
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parents:
10350
diff
changeset
|
514 case ROTATION_180: |
9f2bf537a651
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parents:
10350
diff
changeset
|
515 extent(0) = bbox(2); |
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Implement text extent property
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parents:
10350
diff
changeset
|
516 extent(1) = bbox(3); |
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Implement text extent property
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parents:
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diff
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|
517 break; |
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parents:
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diff
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|
518 case ROTATION_90: |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
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|
519 case ROTATION_270: |
9f2bf537a651
Implement text extent property
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parents:
10350
diff
changeset
|
520 extent(0) = bbox(3); |
9f2bf537a651
Implement text extent property
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parents:
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diff
changeset
|
521 extent(1) = bbox(2); |
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Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
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diff
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|
522 } |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
523 |
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Implement text extent property
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parents:
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diff
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|
524 return extent; |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
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|
525 } |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
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diff
changeset
|
526 |
12334
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
527 Matrix |
63dc132a1000
Move axes labels and title positioning to axes::properties
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parents:
12225
diff
changeset
|
528 ft_render::get_extent (const std::string& txt, double rotation) |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
529 { |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
530 text_element *elt = text_parser_none ().parse (txt); |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
531 Matrix extent = get_extent (elt, rotation); |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
532 delete elt; |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
533 |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
534 return extent; |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
535 } |
63dc132a1000
Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents:
12225
diff
changeset
|
536 |
10402
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
537 int |
9f2bf537a651
Implement text extent property
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parents:
10350
diff
changeset
|
538 ft_render::rotation_to_mode (double rotation) const |
9f2bf537a651
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Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
539 { |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
540 if (rotation == 0.0) |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
541 return ROTATION_0; |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
542 else if (rotation == 90.0) |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
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|
543 return ROTATION_90; |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
544 else if (rotation == 180.0) |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
545 return ROTATION_180; |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
546 else if (rotation == 270.0) |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
547 return ROTATION_270; |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
548 else |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
549 return ROTATION_0; |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
550 } |
9f2bf537a651
Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10350
diff
changeset
|
551 |
11455
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
552 void |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
553 ft_render::text_to_pixels (const std::string& txt, |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
554 uint8NDArray& pixels_, Matrix& box, |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
555 int halign, int valign, double rotation) |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
556 { |
2be9e22796d2
improvements in text-extent calculation
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parents:
10553
diff
changeset
|
557 // FIXME: clip "rotation" between 0 and 360 |
2be9e22796d2
improvements in text-extent calculation
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parents:
10553
diff
changeset
|
558 int rot_mode = rotation_to_mode (rotation); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
559 |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
560 text_element *elt = text_parser_none ().parse (txt); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
561 pixels_ = render (elt, box, rot_mode); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
562 delete elt; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
563 |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
564 if (pixels_.numel () == 0) |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
565 { |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
566 // nothing to render |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
567 return; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
568 } |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
569 |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
570 switch (halign) |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
571 { |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
572 default: box(0) = 0; break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
573 case 1: box(0) = -box(2)/2; break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
574 case 2: box(0) = -box(2); break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
575 } |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
576 switch (valign) |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
577 { |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
578 default: box(1) = 0; break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
579 case 1: box(1) = -box(3)/2; break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
580 case 2: box(1) = -box(3); break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
581 case 3: break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
582 } |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
583 |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
584 switch (rot_mode) |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
585 { |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
586 case ROTATION_90: |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
587 std::swap (box(0), box(1)); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
588 std::swap (box(2), box(3)); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
589 box(0) = -box(0)-box(2); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
590 break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
591 case ROTATION_180: |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
592 box(0) = -box(0)-box(2); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
593 box(1) = -box(1)-box(3); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
594 break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
595 case ROTATION_270: |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
596 std::swap (box(0), box(1)); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
597 std::swap (box(2), box(3)); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
598 box(1) = -box(1)-box(3); |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
599 break; |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
600 } |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
601 } |
2be9e22796d2
improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents:
10553
diff
changeset
|
602 |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
603 #endif // HAVE_FREETYPE |