Mercurial > octave
annotate libinterp/corefcn/text-renderer.cc @ 33617:ec2635a02328 bytecode-interpreter tip
maint: Merge default to bytecode-interpreter.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Tue, 21 May 2024 18:29:03 +0200 |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2009-2024 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
21209 | 28 #endif |
29 | |
30 #include "base-text-renderer.h" | |
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31 #include "error.h" |
21209 | 32 #include "errwarn.h" |
33 #include "ft-text-renderer.h" | |
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34 #include "latex-text-renderer.h" |
21209 | 35 #include "text-renderer.h" |
36 | |
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37 OCTAVE_BEGIN_NAMESPACE(octave) |
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38 |
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39 text_renderer::text_renderer () |
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40 : m_rep (make_ft_text_renderer ()), |
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41 m_latex_rep (make_latex_text_renderer ()) |
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42 { } |
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44 text_renderer::~text_renderer () |
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45 { |
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46 delete m_rep; |
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47 delete m_latex_rep; |
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48 } |
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50 bool |
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51 text_renderer::ok () const |
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52 { |
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53 static bool warned = false; |
21209 | 54 |
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55 if (! m_rep) |
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56 { |
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57 if (! warned) |
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58 { |
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59 warn_disabled_feature ("opengl_renderer::render_text", |
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60 "rendering text (FreeType)"); |
21209 | 61 |
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62 warned = true; |
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63 } |
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64 } |
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66 return m_rep != nullptr; |
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67 } |
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69 Matrix |
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70 text_renderer::get_extent (text_element *elt, double rotation) |
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71 { |
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72 static Matrix empty_extent (1, 4, 0.0); |
21209 | 73 |
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74 return ok () ? m_rep->get_extent (elt, rotation) : empty_extent; |
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75 } |
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77 Matrix |
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78 text_renderer::get_extent (const std::string& txt, double rotation, |
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79 const caseless_str& interpreter) |
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80 { |
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81 static Matrix retval (1, 4, 0.0); |
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83 if (interpreter == "latex" && m_latex_rep->ok ()) |
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84 retval = m_latex_rep->get_extent (txt, rotation, interpreter); |
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85 else if (ok ()) |
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86 retval = m_rep->get_extent (txt, rotation, interpreter); |
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87 |
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88 return retval; |
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89 } |
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91 void |
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92 text_renderer::set_anti_aliasing (bool val) |
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93 { |
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94 if (ok ()) |
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95 m_rep->set_anti_aliasing (val); |
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96 } |
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97 |
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98 octave_map |
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99 text_renderer::get_system_fonts () |
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100 { |
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101 octave_map retval; |
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102 |
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103 if (ok ()) |
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104 retval = m_rep->get_system_fonts (); |
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105 |
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106 return retval; |
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107 } |
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108 |
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109 void |
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110 text_renderer::set_font (const std::string& name, const std::string& weight, |
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111 const std::string& angle, double size) |
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112 { |
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113 if (ok ()) |
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114 { |
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115 m_rep->set_font (name, weight, angle, size); |
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116 m_latex_rep->set_font (name, weight, angle, size); |
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117 } |
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118 } |
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120 void |
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121 text_renderer::set_color (const Matrix& c) |
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122 { |
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123 if (ok ()) |
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124 { |
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125 m_rep->set_color (c); |
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126 m_latex_rep->set_color (c); |
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127 } |
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128 } |
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130 void |
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131 text_renderer::text_to_pixels (const std::string& txt, |
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132 uint8NDArray& pxls, Matrix& bbox, |
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133 int halign, int valign, double rotation, |
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134 const caseless_str& interpreter, |
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135 bool handle_rotation) |
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136 { |
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137 static Matrix empty_bbox (1, 4, 0.0); |
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138 static uint8NDArray empty_pxls; |
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140 if (interpreter == "latex" && m_latex_rep->ok ()) |
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141 m_latex_rep->text_to_pixels (txt, pxls, bbox, halign, valign, rotation, |
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142 interpreter, handle_rotation); |
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143 else if (ok ()) |
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144 m_rep->text_to_pixels (txt, pxls, bbox, halign, valign, rotation, |
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145 interpreter, handle_rotation); |
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146 else |
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147 { |
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148 bbox = empty_bbox; |
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149 pxls = empty_pxls; |
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150 } |
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151 } |
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153 void |
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154 text_renderer::text_to_strlist (const std::string& txt, |
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155 std::list<text_renderer::string>& lst, |
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156 Matrix& bbox, int halign, int valign, |
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157 double rotation, |
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158 const caseless_str& interpreter) |
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159 { |
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160 static Matrix empty_bbox (1, 4, 0.0); |
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161 static std::list<text_renderer::string> empty_lst; |
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163 if (interpreter == "latex" && m_latex_rep->ok ()) |
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164 m_latex_rep->text_to_strlist (txt, lst, bbox, halign, valign, rotation, |
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165 interpreter); |
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166 else if (ok ()) |
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167 m_rep->text_to_strlist (txt, lst, bbox, halign, valign, rotation, |
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168 interpreter); |
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169 else |
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170 { |
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171 bbox = empty_bbox; |
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172 lst = empty_lst; |
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173 } |
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174 } |
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175 |
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176 OCTAVE_END_NAMESPACE(octave) |