Mercurial > octave
annotate libinterp/corefcn/ft-text-renderer.cc @ 32664:1b65ba91eeda stable
Stop memory leaks in class ft_manager.
Multiple leaks in external library Fontconfig caused by creating resources and
then not calling library routines to destroy them.
* ft-text-renderer.cc (ft_manager::do_get_system_fonts): Call FcPatternDestroy,
FcObjectSetDestroy, FcCharSetDestroy to free memory after use.
author | Rik <rik@octave.org> |
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date | Thu, 28 Dec 2023 16:00:11 -0800 |
parents | 2e484f9f1f18 |
children | 4536ded2a52b 6f74463268b8 |
rev | line source |
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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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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include "base-text-renderer.h" |
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31 #include "ft-text-renderer.h" |
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32 |
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33 #if defined (HAVE_FREETYPE) |
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34 |
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35 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
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36 # pragma GCC diagnostic push |
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37 # pragma GCC diagnostic ignored "-Wold-style-cast" |
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38 #endif |
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39 |
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40 #include <ft2build.h> |
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41 #include FT_FREETYPE_H |
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42 #include FT_GLYPH_H |
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43 |
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44 #if defined (HAVE_FONTCONFIG) |
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45 # include <fontconfig/fontconfig.h> |
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46 #endif |
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47 |
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48 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
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49 # pragma GCC diagnostic pop |
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50 #endif |
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51 |
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52 #include <clocale> |
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53 #include <cwchar> |
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54 #include <map> |
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55 #include <utility> |
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56 |
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57 #include "singleton-cleanup.h" |
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58 #include "unistr-wrappers.h" |
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59 |
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60 #include "defaults.h" |
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61 #include "error.h" |
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62 #include "file-ops.h" |
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63 #include "oct-env.h" |
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64 #include "pr-output.h" |
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65 #include "sysdep.h" |
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66 #include "text-renderer.h" |
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67 |
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68 OCTAVE_BEGIN_NAMESPACE(octave) |
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69 |
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70 // FIXME: maybe issue at most one warning per glyph/font/size/weight |
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71 // combination. |
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72 |
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73 static void |
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74 warn_missing_glyph (FT_ULong c) |
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75 { |
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76 warning_with_id ("Octave:missing-glyph", |
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77 "text_renderer: skipping missing glyph for character '%lx'", c); |
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78 } |
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79 |
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80 static void |
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81 warn_glyph_render (FT_ULong c) |
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82 { |
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83 warning_with_id ("Octave:glyph-render", |
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84 "text_renderer: unable to render glyph for character '%lx'", c); |
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85 } |
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86 |
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87 #if defined (_MSC_VER) |
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88 // FIXME: is this really needed? |
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89 // |
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90 // This is just a trick to avoid multiple symbol definitions. |
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91 // PermMatrix.h contains a dllexport'ed Array<octave_idx_type> |
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92 // that will cause MSVC not to generate a new instantiation and |
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93 // use the imported one instead. |
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94 # include "PermMatrix.h" |
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95 #endif |
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96 |
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97 // Forward declaration |
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98 static void ft_face_destroyed (void *object); |
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99 |
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100 class |
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101 ft_manager |
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102 { |
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103 private: |
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104 |
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105 ft_manager () |
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106 : m_library (), m_freetype_initialized (false), |
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107 m_fontconfig_initialized (false) |
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108 { |
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109 if (FT_Init_FreeType (&m_library)) |
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110 error ("unable to initialize FreeType library"); |
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111 else |
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112 m_freetype_initialized = true; |
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113 |
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114 #if defined (HAVE_FONTCONFIG) |
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115 if (! FcInit ()) |
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116 error ("unable to initialize fontconfig library"); |
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117 else |
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118 m_fontconfig_initialized = true; |
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119 #endif |
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120 } |
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121 |
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122 public: |
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123 |
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124 OCTAVE_DISABLE_COPY_MOVE (ft_manager) |
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125 |
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126 private: |
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127 |
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128 ~ft_manager () |
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129 { |
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130 if (m_freetype_initialized) |
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131 FT_Done_FreeType (m_library); |
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132 |
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133 #if defined (HAVE_FONTCONFIG) |
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134 // FIXME: Skip the call to FcFini because it can trigger the assertion |
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135 // |
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136 // octave: fccache.c:507: FcCacheFini: Assertion 'fcCacheChains[i] == ((void *)0)' failed. |
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137 // |
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138 // if (m_fontconfig_initialized) |
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139 // FcFini (); |
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140 #endif |
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141 } |
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142 |
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143 public: |
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144 |
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145 static bool instance_ok () |
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146 { |
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147 bool retval = true; |
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148 |
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149 if (! s_instance) |
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150 { |
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151 s_instance = new ft_manager (); |
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152 singleton_cleanup_list::add (cleanup_instance); |
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153 } |
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154 |
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155 return retval; |
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156 } |
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157 |
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158 static void cleanup_instance () |
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159 { delete s_instance; s_instance = nullptr; } |
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160 |
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161 static FT_Face get_font (const std::string& name, const std::string& weight, |
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162 const std::string& angle, double size, |
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163 FT_ULong c = 0) |
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164 { |
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165 return (instance_ok () |
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166 ? s_instance->do_get_font (name, weight, angle, size, c) |
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167 : nullptr); |
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168 } |
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169 |
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170 static octave_map get_system_fonts () |
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171 { |
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172 return (instance_ok () |
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173 ? s_instance->do_get_system_fonts () |
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174 : octave_map ()); |
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175 } |
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176 |
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177 static void font_destroyed (FT_Face face) |
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178 { |
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179 if (instance_ok ()) |
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180 s_instance->do_font_destroyed (face); |
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181 } |
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182 |
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183 private: |
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184 |
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185 typedef std::pair<std::string, double> ft_key; |
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186 typedef std::map<ft_key, FT_Face> ft_cache; |
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187 |
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188 static octave_map do_get_system_fonts () |
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189 { |
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190 static octave_map font_map; |
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191 |
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192 if (font_map.isempty ()) |
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193 { |
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194 #if defined (HAVE_FONTCONFIG) |
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195 FcConfig *config = FcConfigGetCurrent(); |
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196 FcPattern *pat = FcPatternCreate (); |
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197 FcObjectSet *os = FcObjectSetBuild (FC_FAMILY, FC_SLANT, FC_WEIGHT, |
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198 FC_CHARSET, nullptr); |
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199 FcFontSet *fs = FcFontList (config, pat, os); |
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200 |
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201 if (fs->nfont > 0) |
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202 { |
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203 // Mark fonts that have at least all printable ASCII chars |
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204 FcCharSet *minimal_charset = FcCharSetCreate (); |
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205 for (int i = 32; i < 127; i++) |
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206 FcCharSetAddChar (minimal_charset, static_cast<FcChar32> (i)); |
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207 |
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208 string_vector fields (4); |
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209 fields(0) = "family"; |
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210 fields(1) = "angle"; |
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211 fields(2) = "weight"; |
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212 fields(3) = "suitable"; |
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213 |
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214 dim_vector dv (1, fs->nfont); |
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215 Cell families (dv); |
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216 Cell angles (dv); |
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217 Cell weights (dv); |
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218 Cell suitable (dv); |
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219 |
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220 unsigned char *family; |
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221 int val; |
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222 for (int i = 0; fs && i < fs->nfont; i++) |
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223 { |
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224 FcPattern *font = fs->fonts[i]; |
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225 if (FcPatternGetString (font, FC_FAMILY, 0, &family) |
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226 == FcResultMatch) |
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227 families(i) = std::string (reinterpret_cast<char *> (family)); |
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228 else |
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229 families(i) = "unknown"; |
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230 |
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231 if (FcPatternGetInteger (font, FC_SLANT, 0, &val) |
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232 == FcResultMatch) |
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233 angles(i) = (val == FC_SLANT_ITALIC |
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234 || val == FC_SLANT_OBLIQUE) |
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235 ? "italic" : "normal"; |
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236 else |
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237 angles(i) = "unknown"; |
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238 |
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239 if (FcPatternGetInteger (font, FC_WEIGHT, 0, &val) |
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240 == FcResultMatch) |
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241 weights(i) = (val == FC_WEIGHT_BOLD |
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242 || val == FC_WEIGHT_DEMIBOLD) |
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243 ? "bold" : "normal"; |
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244 else |
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245 weights(i) = "unknown"; |
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246 |
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247 FcCharSet *cset; |
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248 if (FcPatternGetCharSet (font, FC_CHARSET, 0, &cset) |
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249 == FcResultMatch) |
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250 suitable(i) = (FcCharSetIsSubset (minimal_charset, cset) |
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251 ? true : false); |
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252 else |
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253 suitable(i) = false; |
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254 } |
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255 |
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256 font_map = octave_map (dv, fields); |
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257 |
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258 font_map.assign ("family", families); |
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259 font_map.assign ("angle", angles); |
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260 font_map.assign ("weight", weights); |
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261 font_map.assign ("suitable", suitable); |
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262 |
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263 // Free up memory within libfontconfig |
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264 if (fs) |
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265 FcFontSetDestroy (fs); |
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266 if (pat) // Supposed to be freed by FcFontSetDestroy above, but isn't. |
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267 FcPatternDestroy (pat); |
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268 if (os) |
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269 FcObjectSetDestroy (os); |
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270 if (minimal_charset) |
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271 FcCharSetDestroy (minimal_charset); |
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272 } |
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273 #endif |
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274 } |
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275 |
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276 return font_map; |
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277 } |
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278 |
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279 FT_Face do_get_font (const std::string& name, const std::string& weight, |
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280 const std::string& angle, double size, |
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281 FT_ULong search_code_point) |
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282 { |
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283 FT_Face retval = nullptr; |
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284 |
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285 #if defined (HAVE_FT_REFERENCE_FACE) |
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286 // Look first into the font cache, then use fontconfig. If the font |
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287 // is present in the cache, simply add a reference and return it. |
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288 |
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289 ft_key key (name + ':' + weight + ':' + angle + ':' |
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290 + std::to_string (search_code_point), size); |
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291 ft_cache::const_iterator it = m_cache.find (key); |
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292 |
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293 if (it != m_cache.end ()) |
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294 { |
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295 FT_Reference_Face (it->second); |
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296 return it->second; |
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297 } |
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298 #endif |
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299 |
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300 static std::string fonts_dir; |
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301 |
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302 if (fonts_dir.empty ()) |
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303 { |
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304 fonts_dir = sys::env::getenv ("OCTAVE_FONTS_DIR"); |
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305 |
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306 if (fonts_dir.empty ()) |
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307 #if defined (SYSTEM_FREEFONT_DIR) |
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308 fonts_dir = SYSTEM_FREEFONT_DIR; |
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309 #else |
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310 fonts_dir = config::oct_fonts_dir (); |
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311 #endif |
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312 } |
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313 |
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314 |
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315 // Default font file |
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316 std::string file; |
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317 |
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318 if (! fonts_dir.empty ()) |
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319 { |
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320 file = fonts_dir + sys::file_ops::dir_sep_str () + "FreeSans"; |
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321 |
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322 if (weight == "bold") |
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323 file += "Bold"; |
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324 |
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325 if (angle == "italic" || angle == "oblique") |
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326 file += "Oblique"; |
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327 |
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328 file += ".otf"; |
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329 } |
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330 |
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331 #if defined (HAVE_FONTCONFIG) |
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332 if ((search_code_point != 0 || name != "*") && m_fontconfig_initialized) |
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333 { |
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334 int fc_weight, fc_angle; |
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335 |
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336 if (weight == "bold") |
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337 fc_weight = FC_WEIGHT_BOLD; |
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338 else |
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339 fc_weight = FC_WEIGHT_NORMAL; |
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340 |
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341 if (angle == "italic") |
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342 fc_angle = FC_SLANT_ITALIC; |
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343 else if (angle == "oblique") |
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344 fc_angle = FC_SLANT_OBLIQUE; |
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345 else |
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346 fc_angle = FC_SLANT_ROMAN; |
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347 |
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348 FcPattern *pat = FcPatternCreate (); |
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349 |
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350 FcPatternAddString (pat, FC_FAMILY, |
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351 (reinterpret_cast<const FcChar8 *> |
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352 (name.c_str ()))); |
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353 |
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354 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight); |
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355 FcPatternAddInteger (pat, FC_SLANT, fc_angle); |
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356 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size); |
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357 |
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358 if (search_code_point > 0) |
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359 { |
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360 FcCharSet *minimal_charset = FcCharSetCreate (); |
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361 FcCharSetAddChar (minimal_charset, |
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362 static_cast<FcChar32> (search_code_point)); |
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363 FcPatternAddCharSet (pat, FC_CHARSET, minimal_charset); |
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364 } |
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365 |
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366 if (FcConfigSubstitute (nullptr, pat, FcMatchPattern)) |
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367 { |
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368 FcResult res; |
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369 FcPattern *match; |
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370 |
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371 FcDefaultSubstitute (pat); |
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372 |
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373 match = FcFontMatch (nullptr, pat, &res); |
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374 |
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375 // FIXME: originally, this test also required that |
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376 // res != FcResultNoMatch. Is that really needed? |
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377 if (match) |
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378 { |
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379 unsigned char *tmp; |
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380 |
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381 FcPatternGetString (match, FC_FILE, 0, &tmp); |
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382 file = reinterpret_cast<char *> (tmp); |
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383 } |
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384 else |
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385 ::warning ("could not match any font: %s-%s-%s-%g, using default font", |
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386 name.c_str (), weight.c_str (), angle.c_str (), |
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387 size); |
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388 |
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389 if (match) |
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390 FcPatternDestroy (match); |
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391 } |
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392 |
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393 FcPatternDestroy (pat); |
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394 } |
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395 #endif |
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396 |
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397 if (file.empty ()) |
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398 ::warning ("unable to find default font files"); |
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399 else |
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400 { |
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401 std::string ascii_file = sys::get_ASCII_filename (file); |
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402 |
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403 if (FT_New_Face (m_library, ascii_file.c_str (), 0, &retval)) |
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404 ::warning ("ft_manager: unable to load font: %s", file.c_str ()); |
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405 #if defined (HAVE_FT_REFERENCE_FACE) |
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406 else |
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407 { |
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408 // Install a finalizer to notify ft_manager that the font is |
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409 // being destroyed. The class ft_manager only keeps weak |
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410 // references to font objects. |
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411 |
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412 retval->generic.data = new ft_key (key); |
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413 retval->generic.finalizer = ft_face_destroyed; |
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414 |
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415 // Insert loaded font into the cache. |
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416 if (FT_Reference_Face (retval) == 0) |
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417 m_cache[key] = retval; |
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418 } |
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419 #endif |
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420 } |
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421 |
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422 return retval; |
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423 } |
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424 |
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425 void do_font_destroyed (FT_Face face) |
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426 { |
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427 if (face->generic.data) |
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428 { |
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429 ft_key *pkey = reinterpret_cast<ft_key *> (face->generic.data); |
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430 |
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431 m_cache.erase (*pkey); |
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432 delete pkey; |
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433 face->generic.data = nullptr; |
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434 FT_Done_Face (face); |
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435 } |
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436 } |
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437 |
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438 //-------- |
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439 |
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440 static ft_manager *s_instance; |
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441 |
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442 // Cache the fonts loaded by FreeType. This cache only contains |
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443 // weak references to the fonts, strong references are only present |
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444 // in class text_renderer. |
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445 ft_cache m_cache; |
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446 |
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447 FT_Library m_library; |
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448 bool m_freetype_initialized; |
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449 bool m_fontconfig_initialized; |
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450 }; |
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451 |
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452 ft_manager *ft_manager::s_instance = nullptr; |
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453 |
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454 static void |
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455 ft_face_destroyed (void *object) |
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456 { |
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457 ft_manager::font_destroyed (reinterpret_cast<FT_Face> (object)); |
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458 } |
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459 |
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460 class |
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461 OCTINTERP_API |
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462 ft_text_renderer : public base_text_renderer |
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463 { |
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464 public: |
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465 |
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466 enum |
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467 { |
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468 MODE_BBOX = 0, |
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469 MODE_RENDER = 1 |
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470 }; |
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471 |
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472 public: |
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473 |
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474 ft_text_renderer () |
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475 : base_text_renderer (), m_font (), m_bbox (1, 4, 0.0), m_halign (0), |
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476 m_xoffset (0), m_line_yoffset (0), m_yoffset (0), m_mode (MODE_BBOX), |
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477 m_color (dim_vector (1, 3), 0), m_do_strlist (false), m_strlist (), |
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478 m_line_xoffset (0), m_ymin (0), m_ymax (0), m_deltax (0), |
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479 m_max_fontsize (0), m_antialias (true) |
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480 { } |
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481 |
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use new macros to consistently delete copy and move member functions
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482 OCTAVE_DISABLE_COPY_MOVE (ft_text_renderer) |
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483 |
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484 ~ft_text_renderer () = default; |
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485 |
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486 void visit (text_element_string& e); |
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487 |
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488 void visit (text_element_list& e); |
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489 |
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490 void visit (text_element_subscript& e); |
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491 |
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492 void visit (text_element_superscript& e); |
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493 |
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494 void visit (text_element_color& e); |
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495 |
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496 void visit (text_element_fontsize& e); |
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497 |
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498 void visit (text_element_fontname& e); |
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499 |
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500 void visit (text_element_fontstyle& e); |
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501 |
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502 void visit (text_element_symbol& e); |
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503 |
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504 void visit (text_element_combined& e); |
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505 |
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506 void reset (); |
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507 |
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508 uint8NDArray get_pixels () const { return m_pixels; } |
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509 |
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510 Matrix get_boundingbox () const { return m_bbox; } |
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511 |
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512 uint8NDArray render (text_element *elt, Matrix& box, |
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513 int rotation = ROTATION_0); |
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514 |
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515 Matrix get_extent (text_element *elt, double rotation = 0.0); |
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516 Matrix get_extent (const std::string& txt, double rotation, |
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517 const caseless_str& interpreter); |
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518 |
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519 void set_anti_aliasing (bool val) { m_antialias = val; }; |
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520 |
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521 void set_font (const std::string& name, const std::string& weight, |
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522 const std::string& angle, double size); |
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523 |
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524 octave_map get_system_fonts (); |
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525 |
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526 void set_color (const Matrix& c); |
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527 |
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528 void set_mode (int m); |
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529 |
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530 void text_to_pixels (const std::string& txt, |
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531 uint8NDArray& pxls, Matrix& bbox, |
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532 int halign, int valign, double rotation, |
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533 const caseless_str& interpreter, |
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534 bool handle_rotation); |
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535 |
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536 private: |
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537 |
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538 // Class to hold information about fonts and a strong |
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539 // reference to the font objects loaded by FreeType. |
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540 |
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541 class ft_font : public text_renderer::font |
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542 { |
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543 public: |
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544 |
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545 ft_font () |
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546 : text_renderer::font (), m_face (nullptr) { } |
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547 |
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548 ft_font (const std::string& nm, const std::string& wt, |
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549 const std::string& ang, double sz, FT_Face f = nullptr) |
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550 : text_renderer::font (nm, wt, ang, sz), m_face (f) |
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551 { } |
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552 |
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553 ft_font (const ft_font& ft); |
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554 |
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555 ~ft_font () |
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556 { |
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557 if (m_face) |
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558 FT_Done_Face (m_face); |
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559 } |
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560 |
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561 ft_font& operator = (const ft_font& ft); |
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562 |
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563 bool is_valid () const { return get_face (); } |
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564 |
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565 FT_Face get_face () const; |
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566 |
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567 private: |
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568 |
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569 mutable FT_Face m_face; |
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570 }; |
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571 |
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572 void push_new_line (); |
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573 |
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574 void update_line_bbox (); |
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575 |
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576 void compute_bbox (); |
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577 |
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578 int compute_line_xoffset (const Matrix& lb) const; |
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579 |
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580 FT_UInt process_character (FT_ULong code, FT_UInt previous, |
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581 std::string& sub_font); |
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582 |
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583 public: |
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584 |
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585 void text_to_strlist (const std::string& txt, |
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586 std::list<text_renderer::string>& lst, Matrix& bbox, |
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587 int halign, int valign, double rotation, |
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588 const caseless_str& interp); |
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589 |
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590 private: |
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591 |
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592 // The current font used by the renderer. |
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593 ft_font m_font; |
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594 |
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595 // Used to stored the bounding box corresponding to the rendered text. |
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596 // The bounding box has the form [x, y, w, h] where x and y represent the |
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597 // coordinates of the bottom left corner relative to the anchor point of |
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598 // the text (== start of text on the baseline). Due to font descent or |
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599 // multiple lines, the value y is usually negative. |
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600 Matrix m_bbox; |
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601 |
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602 // Used to stored the rendered text. It's a 3D matrix with size MxNx4 |
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603 // where M and N are the width and height of the bounding box. |
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604 uint8NDArray m_pixels; |
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605 |
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606 // Used to store the bounding box of each line. This is used to layout |
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607 // multiline text properly. |
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608 std::list<Matrix> m_line_bbox; |
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609 |
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610 // The current horizontal alignment. This is used to align multi-line text. |
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611 int m_halign; |
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612 |
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613 // The X offset for the next glyph. |
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614 int m_xoffset; |
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615 |
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616 // The Y offset of the baseline for the current line. |
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617 int m_line_yoffset; |
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618 |
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619 // The Y offset of the baseline for the next glyph. The offset is relative |
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620 // to line_yoffset. The total Y offset is computed with: |
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621 // line_yoffset + yoffset. |
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622 int m_yoffset; |
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623 |
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624 // The current mode of the rendering process (box computing or rendering). |
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625 int m_mode; |
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626 |
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627 // The base color of the rendered text. |
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628 uint8NDArray m_color; |
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629 |
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630 // A list of parsed strings to be used for printing. |
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631 bool m_do_strlist; |
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632 std::list<text_renderer::string> m_strlist; |
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633 |
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634 // The X offset of the baseline for the current line. |
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635 int m_line_xoffset; |
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636 |
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637 // Min and max y coordinates of all glyphs in a line. |
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638 FT_Pos m_ymin; |
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639 FT_Pos m_ymax; |
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|
640 |
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641 // Difference between the advance and the actual extent of the latest glyph |
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642 FT_Pos m_deltax; |
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643 |
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644 // Used for computing the distance between lines. |
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645 double m_max_fontsize; |
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646 |
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647 // Anti-aliasing. |
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648 bool m_antialias; |
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649 |
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650 }; |
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651 |
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652 void |
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653 ft_text_renderer::set_font (const std::string& name, |
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654 const std::string& weight, |
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655 const std::string& angle, double size) |
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656 { |
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657 // FIXME: take "fontunits" into account |
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658 m_font = ft_font (name, weight, angle, size, nullptr); |
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659 } |
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660 |
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661 octave_map |
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662 ft_text_renderer::get_system_fonts () |
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663 { |
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664 return ft_manager::get_system_fonts (); |
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665 } |
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666 |
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667 void |
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|
668 ft_text_renderer::push_new_line () |
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669 { |
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670 switch (m_mode) |
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671 { |
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672 case MODE_BBOX: |
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|
673 { |
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674 // Create a new bbox entry based on the current font. |
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675 |
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|
676 FT_Face face = m_font.get_face (); |
22331
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|
677 |
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|
678 if (face) |
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|
679 { |
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|
680 Matrix bb (1, 5, 0.0); |
21209
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revamp text rendering classes
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diff
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|
681 |
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682 m_line_bbox.push_back (bb); |
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|
683 |
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|
684 m_xoffset = m_yoffset = 0; |
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685 m_ymin = m_ymax = m_deltax = 0; |
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|
686 } |
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|
687 } |
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|
688 break; |
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|
689 |
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690 case MODE_RENDER: |
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|
691 { |
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|
692 // Move to the next line bbox, adjust xoffset based on alignment |
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693 // and yoffset based on the old and new line bbox. |
22331
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|
694 |
31607
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|
695 Matrix old_bbox = m_line_bbox.front (); |
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696 m_line_bbox.pop_front (); |
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697 Matrix new_bbox = m_line_bbox.front (); |
30119
3161a1ee0045
maint: use "m_" prefix for member variables in file ft-text-renderer.cc.
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30041
diff
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|
698 |
31607
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699 m_xoffset = m_line_xoffset = compute_line_xoffset (new_bbox); |
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700 m_line_yoffset -= (-old_bbox(1) + math::round (0.4 * m_max_fontsize) |
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|
701 + (new_bbox(3) + new_bbox(1))); |
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702 m_yoffset = 0; |
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703 m_ymin = m_ymax = m_deltax = 0; |
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|
704 } |
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|
705 break; |
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|
706 } |
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diff
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|
707 } |
26995
ab5bfee22d18
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26858
diff
changeset
|
708 |
31607
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|
709 int |
aac27ad79be6
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|
710 ft_text_renderer::compute_line_xoffset (const Matrix& lb) const |
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|
711 { |
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|
712 if (! m_bbox.isempty ()) |
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|
713 { |
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|
714 switch (m_halign) |
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|
715 { |
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|
716 case 0: |
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|
717 return 0; |
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|
718 case 1: |
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719 return (m_bbox(2) - lb(2)) / 2; |
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|
720 case 2: |
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|
721 return (m_bbox(2) - lb(2)); |
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|
722 } |
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|
723 } |
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|
724 |
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|
725 return 0; |
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|
726 } |
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|
727 |
aac27ad79be6
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diff
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|
728 void |
31771
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maint: Eliminate "(void)" in C++ function prototypes/declarations.
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31706
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|
729 ft_text_renderer::compute_bbox () |
31607
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parents:
31605
diff
changeset
|
730 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
731 // Stack the various line bbox together and compute the final |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
732 // bounding box for the entire text string. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
733 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
734 m_bbox = Matrix (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
735 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
736 switch (m_line_bbox.size ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
737 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
738 case 0: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
739 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
740 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
741 case 1: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
742 m_bbox = m_line_bbox.front ().extract (0, 0, 0, 3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
743 break; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
744 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
745 default: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
746 for (const auto& lbox : m_line_bbox) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
747 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
748 if (m_bbox.isempty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
749 m_bbox = lbox.extract (0, 0, 0, 3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
750 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
751 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
752 double delta = math::round (0.4 * m_max_fontsize) + lbox(3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
753 m_bbox(1) -= delta; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
754 m_bbox(3) += delta; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
755 m_bbox(2) = math::max (m_bbox(2), lbox(2)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
756 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
757 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
758 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
759 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
760 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
761 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
762 void |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
763 ft_text_renderer::update_line_bbox () |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
764 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
765 // Called after a font change, when in MODE_BBOX mode, to update the |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
766 // current line bbox with the new font metrics. This also includes the |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
767 // current yoffset, that is the offset of the current glyph's baseline |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
768 // the line's baseline. |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
769 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
770 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
771 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
772 Matrix& bb = m_line_bbox.back (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
773 bb(1) = m_ymin; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
774 // Add one pixel to the bbox height to avoid occasional text clipping. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
775 // See bug #55328. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
776 bb(3) = (m_ymax + 1) - m_ymin; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
777 if (m_deltax > 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
778 bb(2) += m_deltax; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
779 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
780 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
781 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
782 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
783 ft_text_renderer::set_mode (int m) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
784 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
785 m_mode = m; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
786 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
787 switch (m_mode) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
788 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
789 case MODE_BBOX: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
790 m_xoffset = m_line_yoffset = m_yoffset = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
791 m_max_fontsize = 0.0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
792 m_bbox = Matrix (1, 4, 0.0); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
793 m_line_bbox.clear (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
794 push_new_line (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
795 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
796 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
797 case MODE_RENDER: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
798 if (m_bbox.numel () != 4) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
799 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
800 ::error ("ft_text_renderer: invalid bounding box, cannot render"); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
801 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
802 m_xoffset = m_line_yoffset = m_yoffset = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
803 m_pixels = uint8NDArray (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
804 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
805 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
806 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
807 dim_vector d (4, octave_idx_type (m_bbox(2)), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
808 octave_idx_type (m_bbox(3))); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
809 m_pixels = uint8NDArray (d, static_cast<uint8_t> (0)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
810 m_xoffset = compute_line_xoffset (m_line_bbox.front ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
811 m_line_yoffset = -m_bbox(1); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
812 m_yoffset = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
813 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
814 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
815 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
816 default: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
817 error ("ft_text_renderer: invalid mode '%d'", m_mode); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
818 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
819 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
820 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
821 |
32589
05b4479c29d8
maint: C++ style check for libinterp/ before 9.1 release.
Rik <rik@octave.org>
parents:
31845
diff
changeset
|
822 bool |
05b4479c29d8
maint: C++ style check for libinterp/ before 9.1 release.
Rik <rik@octave.org>
parents:
31845
diff
changeset
|
823 is_opaque (const FT_GlyphSlot& glyph, const int x, const int y) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
824 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
825 // Borrowed from https://stackoverflow.com/questions/14800827/ |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
826 // indexing-pixels-in-a-monochrome-freetype-glyph-buffer |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
827 int pitch = std::abs (glyph->bitmap.pitch); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
828 unsigned char *row = &glyph->bitmap.buffer[pitch * y]; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
829 char cvalue = row[x >> 3]; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
830 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
831 return ((cvalue & (128 >> (x & 7))) != 0); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
832 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
833 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
834 FT_UInt |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
835 ft_text_renderer::process_character (FT_ULong code, FT_UInt previous, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
836 std::string& sub_name) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
837 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
838 FT_Face face = m_font.get_face (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
839 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
840 sub_name = face->family_name; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
841 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
842 FT_UInt glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
843 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
844 if (face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
845 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
846 glyph_index = FT_Get_Char_Index (face, code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
847 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
848 if (code != '\n' && code != '\t' |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
849 && (! glyph_index |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
850 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
851 { |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
852 #if defined (HAVE_FONTCONFIG) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
853 // Try to substitue font |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
854 FT_Face sub_face = ft_manager::get_font (m_font.get_name (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
855 m_font.get_weight (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
856 m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
857 m_font.get_size (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
858 code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
859 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
860 if (sub_face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
861 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
862 FT_Set_Char_Size (sub_face, 0, m_font.get_size ()*64, 0, 0); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
863 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
864 glyph_index = FT_Get_Char_Index (sub_face, code); |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
865 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
866 if (glyph_index |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
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diff
changeset
|
867 && (FT_Load_Glyph (sub_face, glyph_index, FT_LOAD_DEFAULT) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
868 == 0)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
869 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
870 static std::string prev_sub_name; |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
871 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
872 if (prev_sub_name.empty () |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
873 || prev_sub_name != std::string (sub_face->family_name)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
874 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
875 prev_sub_name = sub_face->family_name; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
876 warning_with_id ("Octave:substituted-glyph", |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
877 "text_renderer: substituting font to '%s' for some characters", |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
878 sub_face->family_name); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
879 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
880 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
881 ft_font saved_font = m_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
882 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
883 m_font = ft_font (m_font.get_name (), m_font.get_weight (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
884 m_font.get_angle (), m_font.get_size (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
885 sub_face); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
886 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
887 process_character (code, previous, sub_name); |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
888 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
889 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
890 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
891 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
892 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
893 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
894 warn_missing_glyph (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
895 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
896 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
897 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
898 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
899 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
900 warn_missing_glyph (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
901 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
902 #else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
903 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
904 warn_missing_glyph (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
905 #endif |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
906 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
907 else if ((code == '\n') || (code == '\t')) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
908 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
909 glyph_index = FT_Get_Char_Index (face, ' '); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
910 if (! glyph_index |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
911 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
912 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
913 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
914 warn_missing_glyph (' '); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
915 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
916 else if (code == '\n') |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
917 push_new_line (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
918 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
919 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
920 // Advance to next multiple of 4 times the width of the "space" |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
921 // character. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
922 int x_tab = 4 * (face->glyph->advance.x >> 6); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
923 m_xoffset = (1 + std::floor (1. * m_xoffset / x_tab)) * x_tab; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
924 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
925 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
926 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
927 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
928 switch (m_mode) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
929 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
930 case MODE_RENDER: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
931 if (FT_Render_Glyph (face->glyph, (m_antialias |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
932 ? FT_RENDER_MODE_NORMAL |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
933 : FT_RENDER_MODE_MONO))) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
934 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
935 glyph_index = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
936 warn_glyph_render (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
937 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
938 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
939 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
940 FT_Bitmap& bitmap = face->glyph->bitmap; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
941 int x0, y0; |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
942 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
943 if (previous) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
944 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
945 FT_Vector delta; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
946 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
947 FT_Get_Kerning (face, previous, glyph_index, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
948 FT_KERNING_DEFAULT, &delta); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
949 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
950 m_xoffset += (delta.x >> 6); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
951 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
952 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
953 x0 = m_xoffset + face->glyph->bitmap_left; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
954 y0 = m_line_yoffset + m_yoffset |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
955 + (face->glyph->bitmap_top - 1); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
956 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
957 // 'w' seems to have a negative -1 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
958 // face->glyph->bitmap_left, this is so we don't index out |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
959 // of bound, and assumes we've allocated the right amount of |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
960 // horizontal space in the bbox. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
961 if (x0 < 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
962 x0 = 0; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
963 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
964 for (int r = 0; static_cast<unsigned int> (r) < bitmap.rows; r++) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
965 for (int c = 0; static_cast<unsigned int> (c) < bitmap.width; c++) |
29678
7511182e5e9b
Allow for automatic font substitution in graphics text rendering
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29655
diff
changeset
|
966 { |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
967 unsigned char pix |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
968 = (m_antialias |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
969 ? bitmap.buffer[r*bitmap.width+c] |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
970 : (is_opaque (face->glyph, c, r) ? 255 : 0)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
971 |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
972 if (x0+c < 0 || x0+c >= m_pixels.dim2 () |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
973 || y0-r < 0 || y0-r >= m_pixels.dim3 ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
974 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
975 // ::warning ("ft_text_renderer: x %d, y %d", |
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976 // x0+c, y0-r); |
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977 } |
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978 else if (m_pixels(3, x0+c, y0-r).value () == 0) |
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979 { |
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980 m_pixels(0, x0+c, y0-r) = m_color(0); |
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981 m_pixels(1, x0+c, y0-r) = m_color(1); |
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982 m_pixels(2, x0+c, y0-r) = m_color(2); |
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983 m_pixels(3, x0+c, y0-r) = pix; |
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984 } |
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985 } |
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|
986 |
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987 m_xoffset += (face->glyph->advance.x >> 6); |
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988 } |
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989 break; |
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990 |
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991 case MODE_BBOX: |
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992 Matrix& bb = m_line_bbox.back (); |
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993 |
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994 // If we have a previous glyph, use kerning information. This |
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995 // usually means moving a bit backward before adding the next |
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996 // glyph. That is, "delta.x" is usually < 0. |
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|
997 if (previous) |
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998 { |
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999 FT_Vector delta; |
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1000 |
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1001 FT_Get_Kerning (face, previous, glyph_index, |
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1002 FT_KERNING_DEFAULT, &delta); |
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1003 |
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1004 m_xoffset += (delta.x >> 6); |
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1005 } |
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1006 |
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1007 // Extend current X offset box by the width of the current |
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1008 // glyph. Then extend the line bounding box if necessary. |
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1009 |
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1010 m_xoffset += (face->glyph->advance.x >> 6); |
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1011 bb(2) = math::max (bb(2), m_xoffset); |
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1012 |
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1013 // Store the actual bbox vertical coordinates of this character |
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1014 FT_Glyph glyph; |
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1015 if (FT_Get_Glyph (face->glyph, &glyph)) |
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1016 warn_glyph_render (code); |
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1017 else |
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1018 { |
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1019 FT_BBox glyph_bbox; |
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1020 FT_Glyph_Get_CBox (glyph, FT_GLYPH_BBOX_UNSCALED, |
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1021 &glyph_bbox); |
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1022 m_deltax = (glyph_bbox.xMax - face->glyph->advance.x) >> 6; |
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1023 m_ymin = math::min ((glyph_bbox.yMin >> 6) + m_yoffset, |
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|
1024 m_ymin); |
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|
1025 m_ymax = math::max ((glyph_bbox.yMax >> 6) + m_yoffset, |
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|
1026 m_ymax); |
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1027 FT_Done_Glyph (glyph); |
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|
1028 update_line_bbox (); |
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|
1029 } |
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|
1030 break; |
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|
1031 } |
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|
1032 } |
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|
1033 } |
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|
1034 |
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|
1035 return glyph_index; |
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|
1036 } |
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Improve text extent calculation when using freetype text renderer (bug #55075)
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|
1037 |
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|
1038 void |
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|
1039 ft_text_renderer::text_to_strlist (const std::string& txt, |
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|
1040 std::list<text_renderer::string>& lst, |
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|
1041 Matrix& box, |
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|
1042 int ha, int va, double rot, |
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|
1043 const caseless_str& interp) |
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|
1044 { |
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|
1045 uint8NDArray pxls; |
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|
1046 |
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|
1047 // First run text_to_pixels which will also build the string list |
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|
1048 |
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|
1049 m_strlist = std::list<text_renderer::string> (); |
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|
1050 |
31607
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|
1051 unwind_protect_var<bool> restore_var1 (m_do_strlist); |
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|
1052 unwind_protect_var<std::list<text_renderer::string>> |
28823
26cfccfee9a0
Replace unwind_protect with more efficient constructs (bug #59192).
Rik <rik@octave.org>
parents:
28483
diff
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|
1053 restore_var2 (m_strlist); |
28857
43ad651cf5a0
eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
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|
1054 |
31607
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|
1055 m_do_strlist = true; |
26617
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maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
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|
1056 |
31607
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|
1057 text_to_pixels (txt, pxls, box, ha, va, rot, interp, false); |
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|
1058 |
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|
1059 lst = m_strlist; |
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|
1060 } |
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|
1061 |
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|
1062 void |
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|
1063 ft_text_renderer::visit (text_element_string& e) |
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|
1064 { |
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|
1065 if (m_font.is_valid ()) |
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|
1066 { |
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|
1067 m_max_fontsize = std::max (m_max_fontsize, m_font.get_size ()); |
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|
1068 FT_UInt glyph_index, previous = 0; |
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|
1069 |
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|
1070 std::string str = e.string_value (); |
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|
1071 const uint8_t *c = reinterpret_cast<const uint8_t *> (str.c_str ()); |
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|
1072 uint32_t u32_c; |
26617
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John W. Eaton <jwe@octave.org>
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|
1073 |
31607
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|
1074 std::size_t n = str.size (); |
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|
1075 std::size_t icurr = 0; |
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|
1076 std::size_t ibegin = 0; |
26187
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Improve text extent calculation when using freetype text renderer (bug #55075)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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|
1077 |
31607
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|
1078 // Initialize a new string |
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|
1079 text_renderer::string fs (str, m_font, m_xoffset, m_yoffset); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
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|
1080 |
31607
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|
1081 std::string fname = m_font.get_face ()->family_name; |
29683
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|
1082 |
31607
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|
1083 if (fname.find (" ") != std::string::npos) |
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|
1084 fname = "'" + fname + "'"; |
29683
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diff
changeset
|
1085 |
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|
1086 fs.set_family (fname); |
29683
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|
1087 |
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|
1088 std::vector<double> xdata; |
aac27ad79be6
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|
1089 std::string sub_name; |
22331
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|
1090 |
31607
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|
1091 while (n > 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1092 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1093 // Retrieve the length and the u32 representation of the current |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1094 // character |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1095 int mblen = octave_u8_strmbtouc_wrapper (&u32_c, c + icurr); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1096 if (mblen < 1) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1097 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1098 // This is not an UTF-8 character, use a replacement character |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1099 mblen = 1; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1100 u32_c = 0xFFFD; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1101 } |
27623
698c8b08fe8c
New function uisetfont (bug #57130).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
27150
diff
changeset
|
1102 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1103 n -= mblen; |
26573
ad70a85f702b
Avoid accumulating data in text_renderer member variable (bug #55287)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
26478
diff
changeset
|
1104 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1105 if (m_do_strlist && m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1106 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1107 if (u32_c == 10) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1108 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1109 // Finish previous string in m_strlist before processing |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1110 // the newline character |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1111 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1112 fs.set_color (m_color); |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26573
diff
changeset
|
1113 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1114 std::string s = str.substr (ibegin, icurr - ibegin); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1115 if (! s.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1116 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1117 fs.set_string (s); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1118 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1119 fs.set_xdata (xdata); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1120 fs.set_family (fname); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1121 m_strlist.push_back (fs); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1122 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1123 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1124 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1125 xdata.push_back (m_xoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1126 } |
25362
def1b446ba64
Convert strings to UTF-32 for FreeType (bug #53646).
Markus Mützel <markus.muetzel@gmx.de>
parents:
25336
diff
changeset
|
1127 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1128 glyph_index = process_character (u32_c, previous, sub_name); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1129 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1130 if (m_do_strlist && m_mode == MODE_RENDER && ! sub_name.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1131 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1132 // Add substitution font to the family name stack |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1133 std::string tmp_family = fs.get_family (); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1134 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1135 if (tmp_family.find (sub_name) == std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1136 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1137 if (sub_name.find (" ") != std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1138 sub_name = "'" + sub_name + "'"; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1139 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1140 fs.set_family (tmp_family + ", " + sub_name); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1141 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1142 } |
25362
def1b446ba64
Convert strings to UTF-32 for FreeType (bug #53646).
Markus Mützel <markus.muetzel@gmx.de>
parents:
25336
diff
changeset
|
1143 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1144 if (u32_c == 10) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1145 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1146 previous = 0; |
26617
98afb8bbd1f6
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
26573
diff
changeset
|
1147 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1148 if (m_do_strlist && m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1149 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1150 // Start a new string in m_strlist |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1151 ibegin = icurr+1; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1152 xdata.clear (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1153 fs = text_renderer::string (str.substr (ibegin), m_font, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1154 m_line_xoffset, m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1155 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1156 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1157 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1158 previous = glyph_index; |
25362
def1b446ba64
Convert strings to UTF-32 for FreeType (bug #53646).
Markus Mützel <markus.muetzel@gmx.de>
parents:
25336
diff
changeset
|
1159 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1160 icurr += mblen; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1161 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1162 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1163 if (m_do_strlist && m_mode == MODE_RENDER |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1164 && ! fs.get_string ().empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1165 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1166 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1167 fs.set_color (m_color); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1168 fs.set_xdata (xdata); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1169 m_strlist.push_back (fs); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1170 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1171 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1172 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1173 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1174 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1175 ft_text_renderer::visit (text_element_list& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1176 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1177 // Save and restore (after processing the list) the current font and color. |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1178 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1179 ft_font saved_font (m_font); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1180 uint8NDArray saved_color (m_color); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1181 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1182 text_processor::visit (e); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1183 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1184 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1185 m_color = saved_color; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1186 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1187 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1188 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1189 ft_text_renderer::visit (text_element_subscript& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1190 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1191 ft_font saved_font (m_font); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1192 int saved_line_yoffset = m_line_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1193 int saved_yoffset = m_yoffset; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1194 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1195 double sz = m_font.get_size (); |
28305
6e8d5c99263c
Produce better looking TeX superscript and subscripts (bug #58376).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
28206
diff
changeset
|
1196 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1197 // Reducing font size by 70% produces decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1198 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1199 std::max (5.0, sz * 0.7)); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1200 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1201 if (m_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1202 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1203 // Shifting the baseline by 15% of the font size gives decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1204 m_yoffset -= std::ceil (sz * 0.15); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1205 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1206 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1207 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1208 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1209 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1210 text_processor::visit (e); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1211 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1212 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1213 // If line_yoffset changed, this means we moved to a new line; hence yoffset |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1214 // cannot be restored, because the saved value is not relevant anymore. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1215 if (m_line_yoffset == saved_line_yoffset) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1216 m_yoffset = saved_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1217 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1218 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1219 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1220 ft_text_renderer::visit (text_element_superscript& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1221 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1222 ft_font saved_font (m_font); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1223 int saved_line_yoffset = m_line_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1224 int saved_yoffset = m_yoffset; |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1225 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1226 double sz = m_font.get_size (); |
28305
6e8d5c99263c
Produce better looking TeX superscript and subscripts (bug #58376).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
28206
diff
changeset
|
1227 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1228 // Reducing font size by 70% produces decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1229 set_font (m_font.get_name (), m_font.get_weight (), m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1230 std::max (5.0, sz * 0.7)); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1231 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1232 if (saved_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1233 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1234 // Shifting the baseline by 40% of the font size gives decent results. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1235 m_yoffset += std::ceil (sz * 0.4); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1236 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1237 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1238 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1239 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1240 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1241 text_processor::visit (e); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1242 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1243 m_font = saved_font; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1244 // If line_yoffset changed, this means we moved to a new line; hence yoffset |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1245 // cannot be restored, because the saved value is not relevant anymore. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1246 if (m_line_yoffset == saved_line_yoffset) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1247 m_yoffset = saved_yoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1248 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1249 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1250 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1251 ft_text_renderer::visit (text_element_color& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1252 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1253 if (m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1254 set_color (e.get_color ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1255 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1256 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1257 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1258 ft_text_renderer::visit (text_element_fontsize& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1259 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1260 double sz = e.get_fontsize (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1261 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1262 // FIXME: Matlab documentation says that the font size is expressed |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1263 // in the text object FontUnit. |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1264 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1265 set_font (m_font.get_name (), m_font.get_weight (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1266 m_font.get_angle (), sz); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1267 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1268 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1269 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1270 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1271 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1272 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1273 ft_text_renderer::visit (text_element_fontname& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1274 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1275 set_font (e.get_fontname (), m_font.get_weight (), m_font.get_angle (), |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1276 m_font.get_size ()); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1277 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1278 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1279 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1280 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1281 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1282 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1283 ft_text_renderer::visit (text_element_fontstyle& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1284 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1285 switch (e.get_fontstyle ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1286 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1287 case text_element_fontstyle::normal: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1288 set_font (m_font.get_name (), "normal", "normal", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1289 break; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1290 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1291 case text_element_fontstyle::bold: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1292 set_font (m_font.get_name (), "bold", "normal", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1293 break; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1294 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1295 case text_element_fontstyle::italic: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1296 set_font (m_font.get_name (), "normal", "italic", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1297 break; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1298 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1299 case text_element_fontstyle::oblique: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1300 set_font (m_font.get_name (), "normal", "oblique", m_font.get_size ()); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1301 break; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1302 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1303 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1304 if (m_mode == MODE_BBOX) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1305 update_line_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1306 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1307 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1308 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1309 ft_text_renderer::visit (text_element_symbol& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1310 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1311 uint32_t code = e.get_symbol_code (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1312 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1313 std::vector<double> xdata (1, m_xoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1314 text_renderer::string fs ("-", m_font, m_xoffset, m_yoffset); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1315 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1316 if (code != text_element_symbol::invalid_code && m_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1317 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1318 std::string sub_name; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1319 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1320 process_character (code, 0, sub_name); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1321 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1322 if (m_do_strlist && m_mode == MODE_RENDER) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1323 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1324 if (! sub_name.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1325 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1326 // Add substitution font to the family name |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1327 std::string tmp_family = fs.get_family (); |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1328 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1329 if (tmp_family.find (sub_name) == std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1330 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1331 if (sub_name.find (" ") != std::string::npos) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1332 sub_name = "'" + sub_name + "'"; |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1333 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1334 fs.set_family (tmp_family + ", " + sub_name); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1335 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1336 } |
29683
5ffe7159f94b
Add substitution font to SVG font stack if necessary
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
29679
diff
changeset
|
1337 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1338 fs.set_code (code); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1339 fs.set_xdata (xdata); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1340 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1341 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1342 else if (m_font.is_valid ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1343 ::warning ("ignoring unknown symbol: %d", e.get_symbol ()); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1344 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1345 if (m_do_strlist && m_mode == MODE_RENDER && fs.get_code ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1346 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1347 fs.set_y (m_line_yoffset + m_yoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1348 fs.set_color (m_color); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1349 fs.set_family (m_font.get_face ()->family_name); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1350 m_strlist.push_back (fs); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1351 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1352 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1353 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1354 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1355 ft_text_renderer::visit (text_element_combined& e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1356 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1357 int saved_xoffset = m_xoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1358 int max_xoffset = m_xoffset; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1359 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1360 for (auto *txt_elt : e) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1361 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1362 m_xoffset = saved_xoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1363 txt_elt->accept (*this); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1364 max_xoffset = math::max (m_xoffset, max_xoffset); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1365 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1366 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1367 m_xoffset = max_xoffset; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1368 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1369 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1370 void |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
1371 ft_text_renderer::reset () |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1372 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1373 set_mode (MODE_BBOX); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1374 set_color (Matrix (1, 3, 0.0)); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1375 m_strlist = std::list<text_renderer::string> (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1376 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1377 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1378 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1379 ft_text_renderer::set_color (const Matrix& c) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1380 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1381 if (c.numel () == 3) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1382 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1383 m_color(0) = static_cast<uint8_t> (c(0)*255); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1384 m_color(1) = static_cast<uint8_t> (c(1)*255); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1385 m_color(2) = static_cast<uint8_t> (c(2)*255); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1386 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1387 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1388 ::warning ("ft_text_renderer::set_color: invalid color"); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1389 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1390 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1391 uint8NDArray |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1392 ft_text_renderer::render (text_element *elt, Matrix& box, int rotation) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1393 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1394 set_mode (MODE_BBOX); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1395 elt->accept (*this); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1396 compute_bbox (); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1397 box = m_bbox; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1398 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1399 set_mode (MODE_RENDER); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1400 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1401 if (m_pixels.numel () > 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1402 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1403 elt->accept (*this); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1404 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1405 rotate_pixels (m_pixels, rotation); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1406 } |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
1407 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1408 return m_pixels; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1409 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1410 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1411 // Note: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1412 // x-extent accurately measures width of glyphs. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1413 // y-extent is overly large because it is measured from baseline-to-baseline. |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1414 // Calling routines, such as ylabel, may need to account for this mismatch. |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1415 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1416 Matrix |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1417 ft_text_renderer::get_extent (text_element *elt, double rotation) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1418 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1419 set_mode (MODE_BBOX); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1420 elt->accept (*this); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1421 compute_bbox (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1422 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1423 Matrix extent (1, 2, 0.0); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1424 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1425 switch (rotation_to_mode (rotation)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1426 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1427 case ROTATION_0: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1428 case ROTATION_180: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1429 extent(0) = m_bbox(2); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1430 extent(1) = m_bbox(3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1431 break; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1432 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1433 case ROTATION_90: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1434 case ROTATION_270: |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1435 extent(0) = m_bbox(3); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1436 extent(1) = m_bbox(2); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1437 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1438 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1439 return extent; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1440 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1441 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1442 Matrix |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1443 ft_text_renderer::get_extent (const std::string& txt, double rotation, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1444 const caseless_str& interpreter) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1445 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1446 text_element *elt = text_parser::parse (txt, interpreter); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1447 Matrix extent = get_extent (elt, rotation); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1448 delete elt; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1449 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1450 return extent; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1451 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1452 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1453 void |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1454 ft_text_renderer::text_to_pixels (const std::string& txt, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1455 uint8NDArray& pxls, Matrix& box, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1456 int _halign, int valign, double rotation, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1457 const caseless_str& interpreter, |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1458 bool handle_rotation) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1459 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1460 int rot_mode = rotation_to_mode (rotation); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1461 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1462 m_halign = _halign; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1463 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1464 text_element *elt = text_parser::parse (txt, interpreter); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1465 pxls = render (elt, box, rot_mode); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1466 delete elt; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1467 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1468 if (pxls.isempty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1469 return; // nothing to render |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1470 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1471 // Move X0 and Y0 depending on alignments and eventually swap all values |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1472 // for text rotated 90° 180° or 270° |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1473 fix_bbox_anchor (box, m_halign, valign, rot_mode, handle_rotation); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1474 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1475 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1476 ft_text_renderer::ft_font::ft_font (const ft_font& ft) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1477 : text_renderer::font (ft), m_face (nullptr) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1478 { |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1479 #if defined (HAVE_FT_REFERENCE_FACE) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1480 FT_Face ft_face = ft.get_face (); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1481 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1482 if (ft_face && FT_Reference_Face (ft_face) == 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1483 m_face = ft_face; |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1484 #endif |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1485 } |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1486 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1487 ft_text_renderer::ft_font& |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1488 ft_text_renderer::ft_font::operator = (const ft_font& ft) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1489 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1490 if (&ft != this) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1491 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1492 text_renderer::font::operator = (ft); |
17271
cb7233cfbf43
Prepare base text rendering code for full TeX support.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17270
diff
changeset
|
1493 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1494 if (m_face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1495 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1496 FT_Done_Face (m_face); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1497 m_face = nullptr; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1498 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1499 |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1500 #if defined (HAVE_FT_REFERENCE_FACE) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1501 FT_Face ft_face = ft.get_face (); |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1502 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1503 if (ft_face && FT_Reference_Face (ft_face) == 0) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1504 m_face = ft_face; |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1505 #endif |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1506 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1507 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1508 return *this; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1509 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1510 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1511 FT_Face |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
1512 ft_text_renderer::ft_font::get_face () const |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1513 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1514 if (! m_face && ! m_name.empty ()) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1515 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1516 m_face = ft_manager::get_font (m_name, m_weight, m_angle, m_size); |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1517 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1518 if (m_face) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1519 { |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1520 if (FT_Set_Char_Size (m_face, 0, m_size*64, 0, 0)) |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1521 ::warning ("ft_text_renderer: unable to set font size to %g", m_size); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1522 } |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1523 else |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1524 ::warning ("ft_text_renderer: unable to load appropriate font"); |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1525 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1526 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1527 return m_face; |
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1528 } |
31605
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1529 |
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1530 OCTAVE_END_NAMESPACE(octave) |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1531 |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20715
diff
changeset
|
1532 #endif |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1533 |
31605
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1534 OCTAVE_BEGIN_NAMESPACE(octave) |
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1535 |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1536 base_text_renderer * |
31771
21f9b34eb893
maint: Eliminate "(void)" in C++ function prototypes/declarations.
Rik <rik@octave.org>
parents:
31706
diff
changeset
|
1537 make_ft_text_renderer () |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1538 { |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1539 #if defined (HAVE_FREETYPE) |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1540 return new ft_text_renderer (); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1541 #else |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1542 return 0; |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1543 #endif |
31607
aac27ad79be6
maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
parents:
31605
diff
changeset
|
1544 } |
31605
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1545 |
e88a07dec498
maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents:
30564
diff
changeset
|
1546 OCTAVE_END_NAMESPACE(octave) |