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1 // pt-plot.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_tree_plot_h) |
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25 #define octave_tree_plot_h 1 |
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26 |
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27 #if defined (__GNUG__) |
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28 #pragma interface |
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29 #endif |
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30 |
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31 class ostream; |
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32 class ostrstream; |
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33 |
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34 class tree_command; |
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35 class tree_plot_command; |
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36 class plot_limits; |
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37 class plot_range; |
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38 class subplot_using; |
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39 class subplot_style; |
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40 class subplot; |
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41 class subplot_list; |
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42 |
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43 #include <string> |
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44 |
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45 #include <SLList.h> |
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46 |
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47 #include "dColVector.h" |
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48 |
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49 #include "idx-vector.h" |
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50 #include "pt-cmd.h" |
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51 #include "pt-exp.h" |
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52 |
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53 class |
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54 tree_plot_command : public tree_command |
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55 { |
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56 public: |
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57 tree_plot_command (subplot_list *plt = 0, plot_limits *rng = 0, int nd = 0) |
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58 : tree_command (), ndim (nd), range (rng), plot_list (plt) { } |
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59 |
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60 ~tree_plot_command (void); |
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61 |
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62 void eval (void); |
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63 |
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64 void print_code (ostream& os); |
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65 |
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66 private: |
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67 int ndim; |
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68 plot_limits *range; |
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69 subplot_list *plot_list; |
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70 }; |
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71 |
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72 class |
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73 plot_limits : public tree_print_code |
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74 { |
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75 public: |
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76 plot_limits (plot_range *xlim = 0, plot_range *ylim = 0, |
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77 plot_range *zlim = 0) |
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78 : tree_print_code (), x_range (xlim), y_range (ylim), z_range (zlim) { } |
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79 |
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80 ~plot_limits (void); |
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81 |
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82 void print (int print, ostrstream& plot_buf); |
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83 |
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84 void print_code (ostream& os); |
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85 |
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86 private: |
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87 plot_range *x_range; |
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88 plot_range *y_range; |
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89 plot_range *z_range; |
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90 }; |
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91 |
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92 class |
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93 plot_range : public tree_print_code |
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94 { |
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95 public: |
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96 plot_range (tree_expression *l = 0, tree_expression *u = 0) |
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97 : tree_print_code (), lower (l), upper (u) { } |
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98 |
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99 ~plot_range (void); |
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100 |
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101 void print (ostrstream& plot_buf); |
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102 |
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103 void print_code (ostream& os); |
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104 |
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105 private: |
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106 tree_expression *lower; |
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107 tree_expression *upper; |
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108 }; |
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109 |
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110 class |
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111 subplot_using : public tree_print_code |
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112 { |
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113 public: |
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114 subplot_using (void) |
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115 { |
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116 qualifier_count = 0; |
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117 x[0] = x[1] = x[2] = x[3] = 0; |
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118 scanf_fmt = 0; |
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119 } |
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120 |
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121 subplot_using (tree_expression *fmt) : val (4, -1) |
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122 { |
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123 qualifier_count = 0; |
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124 x[0] = x[1] = x[2] = x[3] = 0; |
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125 scanf_fmt = fmt; |
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126 } |
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127 |
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128 ~subplot_using (void); |
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129 |
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130 subplot_using *set_format (tree_expression *fmt) |
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131 { |
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132 scanf_fmt = fmt; |
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133 return this; |
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134 } |
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135 |
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136 subplot_using *add_qualifier (tree_expression *t) |
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137 { |
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138 if (qualifier_count < 4) |
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139 x[qualifier_count] = t; |
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140 |
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141 qualifier_count++; |
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142 |
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143 return this; |
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144 } |
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145 |
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146 int eval (int ndim, int n_max); |
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147 |
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148 ColumnVector values (int ndim, int n_max = 0); |
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149 |
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150 int print (int ndim, int n_max, ostrstream& plot_buf); |
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151 |
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152 void print_code (ostream& os); |
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153 |
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154 private: |
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155 int qualifier_count; |
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156 tree_expression *x[4]; |
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157 tree_expression *scanf_fmt; |
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158 ColumnVector val; |
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159 }; |
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160 |
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161 class |
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162 subplot_style : public tree_print_code |
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163 { |
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164 public: |
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165 subplot_style (void) |
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166 : tree_print_code (), style (0), linetype (0), pointtype (0) { } |
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167 |
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168 subplot_style (const string& s); |
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169 subplot_style (const string& s, tree_expression *lt); |
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170 subplot_style (const string& s, tree_expression *lt, tree_expression *pt); |
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171 |
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172 ~subplot_style (void); |
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173 |
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174 int print (ostrstream& plot_buf); |
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175 |
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176 int errorbars (void); |
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177 |
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178 void print_code (ostream& os); |
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179 |
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180 private: |
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181 string style; |
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182 tree_expression *linetype; |
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183 tree_expression *pointtype; |
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184 }; |
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185 |
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186 class |
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187 subplot : public tree_print_code |
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188 { |
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189 public: |
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190 subplot (tree_expression *data = 0) |
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191 : tree_print_code (), plot_data (data), using_clause (0), |
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192 title_clause (0), style_clause (0) { } |
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193 |
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194 subplot (subplot_using *u, tree_expression *t, subplot_style *s) |
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195 : tree_print_code (), plot_data (0), using_clause (u), |
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196 title_clause (t), style_clause (s) { } |
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197 |
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198 ~subplot (void); |
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199 |
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200 subplot *set_data (tree_expression *data) |
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201 { |
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202 plot_data = data; |
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203 return this; |
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204 } |
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205 |
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206 tree_constant extract_plot_data (int ndim, tree_constant& data); |
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207 |
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208 int handle_plot_data (int ndim, ostrstream& plot_buf); |
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209 |
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210 int print (int ndim, ostrstream& plot_buf); |
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211 |
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212 void print_code (ostream& os); |
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213 |
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214 private: |
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215 tree_expression *plot_data; |
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216 subplot_using *using_clause; |
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217 tree_expression *title_clause; |
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218 subplot_style *style_clause; |
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219 }; |
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220 |
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221 class |
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222 subplot_list : public SLList<subplot *>, public tree_print_code |
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223 { |
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224 public: |
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225 subplot_list (void) : SLList<subplot *> (), tree_print_code () { } |
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226 |
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227 subplot_list (subplot *t) : SLList<subplot *> (), tree_print_code () |
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228 { append (t); } |
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229 |
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230 ~subplot_list (void); |
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231 |
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232 int print (int ndim, ostrstream& plot_buf); |
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233 |
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234 void print_code (ostream& os); |
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235 }; |
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236 |
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237 extern string save_in_tmp_file (tree_constant& t, int ndim = 2, |
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238 int parametric = 0); |
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239 |
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240 extern void mark_for_deletion (const string&); |
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241 |
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242 extern void cleanup_tmp_files (void); |
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243 |
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244 extern void close_plot_stream (void); |
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245 |
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246 extern void do_external_plotter_cd (const string& newdir); |
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247 |
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248 #endif |
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249 |
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250 /* |
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251 ;;; Local Variables: *** |
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252 ;;; mode: C++ *** |
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253 ;;; page-delimiter: "^/\\*" *** |
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254 ;;; End: *** |
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255 */ |
