Mercurial > octave
annotate libinterp/corefcn/text-renderer.h @ 25643:afb5288a25ad
move text engine classes inside octave namespace
* text-engine.cc: Rename from txt-eng.cc.
* text-engine.h: Rename from txt-eng.h. Change all uses.
* txt-eng.h: Provide for backward-compatibility.
* libinterp/corefcn/module.mk: Update.
* text-engine.cc, text-engine.h: Move classes inside octave
namespace. Change all uses.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 19 Jul 2018 13:28:51 -0400 |
parents | 6652d3823428 |
children | 00f796120a6d |
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 |
21209 | 5 |
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/>. |
21209 | 21 |
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> |
21209 | 32 |
33 #include "caseless-str.h" | |
34 #include "dMatrix.h" | |
35 #include "uint8NDArray.h" | |
36 | |
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37 namespace octave |
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38 { |
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39 class base_text_renderer; |
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40 class text_element; |
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42 class |
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43 OCTINTERP_API |
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44 text_renderer |
21209 | 45 { |
46 public: | |
47 | |
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48 text_renderer (void); |
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49 |
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50 // No copying! |
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51 |
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52 text_renderer (const text_renderer&) = delete; |
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53 |
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54 text_renderer& operator = (const text_renderer&) = delete; |
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55 |
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56 ~text_renderer (void); |
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57 |
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58 bool ok (void) const; |
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59 |
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60 Matrix get_extent (text_element *elt, double rotation = 0.0); |
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61 |
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62 Matrix get_extent (const std::string& txt, double rotation = 0.0, |
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63 const caseless_str& interpreter = "tex"); |
21209 | 64 |
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65 void set_font (const std::string& name, const std::string& weight, |
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66 const std::string& angle, double size); |
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67 |
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68 void set_color (const Matrix& c); |
21209 | 69 |
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70 void text_to_pixels (const std::string& txt, |
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71 uint8NDArray& pxls, Matrix& bbox, |
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72 int halign, int valign, double rotation = 0.0, |
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73 const caseless_str& interpreter = "tex", |
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74 bool handle_rotation = true); |
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76 class font |
21209 | 77 { |
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78 public: |
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79 |
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80 font (void) |
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81 : name (), weight (), angle (), size (0) |
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82 { } |
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83 |
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84 font (const std::string& nm, const std::string& wt, |
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85 const std::string& ang, double sz) |
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86 : name (nm), weight (wt), angle (ang), size (sz) |
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87 { } |
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88 |
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89 font (const font& ft) |
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90 : name (ft.name), weight (ft.weight), angle (ft.angle), |
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91 size (ft.size) |
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92 { } |
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93 |
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94 ~font (void) = default; |
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96 font& operator = (const font& ft) |
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97 { |
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98 if (&ft != this) |
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99 { |
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100 name = ft.name; |
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101 weight = ft.weight; |
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102 angle = ft.angle; |
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103 size = ft.size; |
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104 } |
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105 |
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106 return *this; |
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107 } |
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108 |
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109 std::string get_name (void) const { return name; } |
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110 |
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111 std::string get_weight (void) const { return weight; } |
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113 std::string get_angle (void) const { return angle; } |
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114 |
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115 double get_size (void) const { return size; } |
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116 |
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117 protected: |
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119 std::string name; |
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120 std::string weight; |
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121 std::string angle; |
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122 double size; |
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123 }; |
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124 |
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125 // Container for substrings after parsing. |
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126 |
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127 class string |
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128 { |
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129 public: |
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131 string (const std::string& s, font& f, const double x0, const double y0) |
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132 : str (s), family (f.get_name ()), fnt (f), x (x0), y (y0), z (0.0), |
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133 xdata (), code (0), color (Matrix (1,3,0.0)) |
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134 { } |
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136 string (const string& s) |
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137 : str (s.str), family (s.family), fnt (s.fnt), x (s.x), y (s.y), |
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138 xdata (s.xdata), code (s.code), color (s.color) |
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139 { } |
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141 ~string (void) = default; |
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143 string& operator = (const string& s) |
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144 { |
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145 if (&s != this) |
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146 { |
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147 str = s.str; |
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148 family = s.family; |
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149 fnt = s.fnt; |
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150 x = s.x; |
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151 y = s.y; |
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152 xdata = s.xdata; |
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153 code = s.code; |
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154 color = s.color; |
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155 } |
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157 return *this; |
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158 } |
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159 |
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160 void set_string (const std::string& s) { str = s; } |
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161 |
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162 std::string get_string (void) const { return str; } |
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164 std::string get_name (void) const { return fnt.get_name (); } |
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165 |
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166 std::string get_family (void) const { return family; } |
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167 |
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168 void set_family (const std::string& nm) { family = nm; } |
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169 |
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170 std::string get_weight (void) const { return fnt.get_weight (); } |
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171 |
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172 std::string get_angle (void) const { return fnt.get_angle (); } |
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173 |
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174 double get_size (void) const { return fnt.get_size (); } |
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176 void set_x (const double x0) { x = x0; } |
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177 |
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178 double get_x (void) const { return x; } |
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180 void set_xdata (const std::vector<double>& x0) { xdata = x0; } |
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181 |
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182 std::vector<double> get_xdata (void) const { return xdata; } |
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183 |
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184 void set_y (const double y0) { y = y0; } |
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185 |
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186 double get_y (void) const { return y; } |
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188 void set_z (const double z0) { z = z0; } |
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189 |
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190 double get_z (void) const { return z; } |
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192 void set_code (const uint32_t c) { code = c; } |
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193 |
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194 uint32_t get_code (void) const { return code; } |
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196 void set_color (const uint8NDArray& c) |
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197 { |
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198 color(0) = static_cast<double> (c(0)) / 255; |
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199 color(1) = static_cast<double> (c(1)) / 255; |
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200 color(2) = static_cast<double> (c(2)) / 255; |
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201 } |
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202 |
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203 Matrix get_color (void) const { return color; } |
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204 |
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205 private: |
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207 std::string str; |
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208 std::string family; |
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209 font fnt; |
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210 double x, y, z; |
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211 std::vector<double> xdata; |
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212 uint32_t code; |
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213 Matrix color; |
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214 }; |
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215 |
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216 void text_to_strlist (const std::string& txt, |
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217 std::list<string>& lst, Matrix& box, |
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218 int halign, int valign, double rotation = 0.0, |
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219 const caseless_str& interpreter = "tex"); |
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221 private: | |
222 | |
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223 base_text_renderer *rep; |
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224 }; |
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225 } |
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226 |
21209 | 227 #endif |