Mercurial > octave
annotate libinterp/corefcn/text-renderer.h @ 25054:6652d3823428 stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 30 Mar 2018 09:19:05 -0400 |
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rev | line source |
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21209 | 1 /* |
2 | |
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3 Copyright (C) 2016-2018 John W. Eaton |
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4 Copyright (C) 2009-2018 Michael Goffioul |
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6 This file is part of Octave. | |
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 |
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10 the Free Software Foundation, either version 3 of the License, or |
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11 (at your option) any later version. |
21209 | 12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
21209 | 17 |
18 You should have received a copy of the GNU General Public License | |
19 along with Octave; see the file COPYING. If not, see | |
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20 <https://www.gnu.org/licenses/>. |
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22 */ | |
23 | |
24 #if ! defined (octave_text_renderer_h) | |
25 #define octave_text_renderer_h 1 | |
26 | |
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27 #include "octave-config.h" |
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28 |
21209 | 29 #include <list> |
30 #include <string> | |
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31 #include <vector> |
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33 #include "caseless-str.h" | |
34 #include "dMatrix.h" | |
35 #include "uint8NDArray.h" | |
36 | |
37 #include "txt-eng.h" | |
38 | |
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39 namespace octave |
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40 { |
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41 class base_text_renderer; |
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43 class |
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44 OCTINTERP_API |
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45 text_renderer |
21209 | 46 { |
47 public: | |
48 | |
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49 text_renderer (void); |
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50 |
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51 // No copying! |
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52 |
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53 text_renderer (const text_renderer&) = delete; |
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54 |
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55 text_renderer& operator = (const text_renderer&) = delete; |
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56 |
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57 ~text_renderer (void); |
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58 |
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59 bool ok (void) const; |
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60 |
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61 Matrix get_extent (text_element *elt, double rotation = 0.0); |
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62 |
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63 Matrix get_extent (const std::string& txt, double rotation = 0.0, |
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64 const caseless_str& interpreter = "tex"); |
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66 void set_font (const std::string& name, const std::string& weight, |
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67 const std::string& angle, double size); |
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68 |
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69 void set_color (const Matrix& c); |
21209 | 70 |
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71 void text_to_pixels (const std::string& txt, |
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72 uint8NDArray& pxls, Matrix& bbox, |
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73 int halign, int valign, double rotation = 0.0, |
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74 const caseless_str& interpreter = "tex", |
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75 bool handle_rotation = true); |
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77 class font |
21209 | 78 { |
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79 public: |
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80 |
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81 font (void) |
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82 : name (), weight (), angle (), size (0) |
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83 { } |
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84 |
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85 font (const std::string& nm, const std::string& wt, |
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86 const std::string& ang, double sz) |
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87 : name (nm), weight (wt), angle (ang), size (sz) |
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88 { } |
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89 |
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90 font (const font& ft) |
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91 : name (ft.name), weight (ft.weight), angle (ft.angle), |
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92 size (ft.size) |
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93 { } |
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94 |
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95 ~font (void) = default; |
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97 font& operator = (const font& ft) |
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98 { |
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99 if (&ft != this) |
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100 { |
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101 name = ft.name; |
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102 weight = ft.weight; |
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103 angle = ft.angle; |
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104 size = ft.size; |
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105 } |
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106 |
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107 return *this; |
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108 } |
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109 |
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110 std::string get_name (void) const { return name; } |
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111 |
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112 std::string get_weight (void) const { return weight; } |
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114 std::string get_angle (void) const { return angle; } |
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115 |
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116 double get_size (void) const { return size; } |
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117 |
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118 protected: |
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120 std::string name; |
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121 std::string weight; |
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122 std::string angle; |
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123 double size; |
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124 }; |
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125 |
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126 // Container for substrings after parsing. |
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127 |
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128 class string |
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129 { |
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130 public: |
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132 string (const std::string& s, font& f, const double x0, const double y0) |
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133 : str (s), family (f.get_name ()), fnt (f), x (x0), y (y0), z (0.0), |
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134 xdata (), code (0), color (Matrix (1,3,0.0)) |
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135 { } |
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137 string (const string& s) |
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138 : str (s.str), family (s.family), fnt (s.fnt), x (s.x), y (s.y), |
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139 xdata (s.xdata), code (s.code), color (s.color) |
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140 { } |
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142 ~string (void) = default; |
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144 string& operator = (const string& s) |
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145 { |
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146 if (&s != this) |
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147 { |
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148 str = s.str; |
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149 family = s.family; |
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150 fnt = s.fnt; |
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151 x = s.x; |
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152 y = s.y; |
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153 xdata = s.xdata; |
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154 code = s.code; |
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155 color = s.color; |
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156 } |
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158 return *this; |
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159 } |
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160 |
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161 void set_string (const std::string& s) { str = s; } |
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162 |
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163 std::string get_string (void) const { return str; } |
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165 std::string get_name (void) const { return fnt.get_name (); } |
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166 |
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167 std::string get_family (void) const { return family; } |
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168 |
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169 void set_family (const std::string& nm) { family = nm; } |
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170 |
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171 std::string get_weight (void) const { return fnt.get_weight (); } |
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172 |
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173 std::string get_angle (void) const { return fnt.get_angle (); } |
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174 |
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175 double get_size (void) const { return fnt.get_size (); } |
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177 void set_x (const double x0) { x = x0; } |
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178 |
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179 double get_x (void) const { return x; } |
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181 void set_xdata (const std::vector<double>& x0) { xdata = x0; } |
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182 |
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183 std::vector<double> get_xdata (void) const { return xdata; } |
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184 |
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185 void set_y (const double y0) { y = y0; } |
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186 |
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187 double get_y (void) const { return y; } |
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189 void set_z (const double z0) { z = z0; } |
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190 |
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191 double get_z (void) const { return z; } |
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193 void set_code (const uint32_t c) { code = c; } |
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194 |
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195 uint32_t get_code (void) const { return code; } |
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197 void set_color (const uint8NDArray& c) |
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198 { |
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199 color(0) = static_cast<double> (c(0)) / 255; |
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200 color(1) = static_cast<double> (c(1)) / 255; |
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201 color(2) = static_cast<double> (c(2)) / 255; |
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202 } |
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203 |
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204 Matrix get_color (void) const { return color; } |
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205 |
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206 private: |
21209 | 207 |
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208 std::string str; |
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209 std::string family; |
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210 font fnt; |
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211 double x, y, z; |
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212 std::vector<double> xdata; |
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213 uint32_t code; |
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214 Matrix color; |
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215 }; |
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216 |
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217 void text_to_strlist (const std::string& txt, |
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218 std::list<string>& lst, Matrix& box, |
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219 int halign, int valign, double rotation = 0.0, |
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220 const caseless_str& interpreter = "tex"); |
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222 private: | |
223 | |
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224 base_text_renderer *rep; |
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225 }; |
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226 } |
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227 |
21209 | 228 #endif |