Mercurial > octave
annotate libinterp/corefcn/ft-text-renderer.cc @ 25336:389757b7b6af
eliminate redundant octave:: namespace tags
* documentation-dock-widget.cc, documentation-dock-widget.h,
documentation.cc, files-dock-widget.cc, file-editor-tab.cc,
file-editor.cc, octave-cmd.cc, webinfo.cc, resource-manager.cc,
environment.cc, ft-text-renderer.cc, gl2ps-print.cc, gtk-manager.cc,
help.cc, oct-stream.cc, sighandlers.cc, symtab.cc, bp-table.cc,
comment-list.h, jit-typeinfo.cc, oct-parse.in.yy, pt-cbinop.cc,
pt-eval.cc, pt-idx.cc, pt-jit.cc, cmd-edit.cc:
Eliminate octave:: namespace tags inside octave namespace.
Style fixes.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 02 May 2018 00:30:00 -0400 |
parents | 6652d3823428 |
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rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2016-2018 John W. Eaton |
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4 Copyright (C) 2009-2018 Michael Goffioul |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software: you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation, either version 3 of the License, or |
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11 (at your option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <https://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #if defined (HAVE_CONFIG_H) |
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25 # include "config.h" |
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26 #endif |
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27 |
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28 #include "base-text-renderer.h" |
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29 #include "ft-text-renderer.h" |
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30 |
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31 #if defined (HAVE_FREETYPE) |
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32 |
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33 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
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34 # pragma GCC diagnostic push |
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35 # pragma GCC diagnostic ignored "-Wold-style-cast" |
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36 #endif |
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37 |
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38 #include <ft2build.h> |
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39 #include FT_FREETYPE_H |
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40 |
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41 #if defined (HAVE_FONTCONFIG) |
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42 # include <fontconfig/fontconfig.h> |
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43 #endif |
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44 |
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45 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
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46 # pragma GCC diagnostic pop |
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47 #endif |
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48 |
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49 #include <clocale> |
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50 #include <cwchar> |
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51 #include <iostream> |
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52 #include <map> |
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53 #include <utility> |
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54 |
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55 #include "singleton-cleanup.h" |
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56 |
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57 #include "defaults.h" |
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58 #include "error.h" |
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59 #include "file-ops.h" |
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60 #include "oct-env.h" |
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61 #include "pr-output.h" |
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62 #include "text-renderer.h" |
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63 |
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64 namespace octave |
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65 { |
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66 // FIXME: maybe issue at most one warning per glyph/font/size/weight |
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67 // combination. |
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68 |
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69 static void |
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70 warn_missing_glyph (FT_ULong c) |
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71 { |
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72 warning_with_id ("Octave:missing-glyph", |
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73 "text_renderer: skipping missing glyph for character '%x'", c); |
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74 } |
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75 |
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76 static void |
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77 warn_glyph_render (FT_ULong c) |
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78 { |
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79 warning_with_id ("Octave:glyph-render", |
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80 "text_renderer: unable to render glyph for character '%x'", c); |
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81 } |
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82 |
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83 #if defined (_MSC_VER) |
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84 // FIXME: is this really needed? |
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85 // |
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86 // This is just a trick to avoid multiple symbol definitions. |
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87 // PermMatrix.h contains a dllexport'ed Array<octave_idx_type> |
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88 // that will cause MSVC not to generate a new instantiation and |
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89 // use the imported one instead. |
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90 # include "PermMatrix.h" |
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91 #endif |
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92 |
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93 // Forward declaration |
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94 static void ft_face_destroyed (void *object); |
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95 |
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96 class |
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97 ft_manager |
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98 { |
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99 private: |
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100 |
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101 ft_manager (void) |
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102 : library (), freetype_initialized (false), fontconfig_initialized (false) |
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103 { |
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104 if (FT_Init_FreeType (&library)) |
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105 error ("unable to initialize FreeType library"); |
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106 else |
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107 freetype_initialized = true; |
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108 |
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109 #if defined (HAVE_FONTCONFIG) |
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110 if (! FcInit ()) |
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111 error ("unable to initialize fontconfig library"); |
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112 else |
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113 fontconfig_initialized = true; |
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114 #endif |
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115 } |
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116 |
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117 public: |
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118 |
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119 // No copying! |
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120 |
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121 ft_manager (const ft_manager&) = delete; |
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122 |
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123 ft_manager& operator = (const ft_manager&) = delete; |
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124 |
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125 private: |
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126 |
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127 ~ft_manager (void) |
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128 { |
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129 if (freetype_initialized) |
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130 FT_Done_FreeType (library); |
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131 |
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132 #if defined (HAVE_FONTCONFIG) |
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133 // FIXME: Skip the call to FcFini because it can trigger the assertion |
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134 // |
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135 // octave: fccache.c:507: FcCacheFini: Assertion 'fcCacheChains[i] == ((void *)0)' failed. |
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136 // |
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137 // if (fontconfig_initialized) |
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138 // FcFini (); |
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139 #endif |
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140 } |
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141 |
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142 public: |
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143 |
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144 static bool instance_ok (void) |
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145 { |
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146 bool retval = true; |
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147 |
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148 if (! instance) |
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149 { |
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150 instance = new ft_manager (); |
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151 |
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152 if (instance) |
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153 singleton_cleanup_list::add (cleanup_instance); |
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154 } |
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155 |
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156 if (! instance) |
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157 error ("unable to create ft_manager!"); |
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158 |
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159 return retval; |
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160 } |
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161 |
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162 static void cleanup_instance (void) { delete instance; instance = nullptr; } |
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163 |
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164 static FT_Face get_font (const std::string& name, const std::string& weight, |
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165 const std::string& angle, double size) |
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166 { |
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167 return (instance_ok () |
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168 ? instance->do_get_font (name, weight, angle, size) |
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169 : nullptr); |
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170 } |
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171 |
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172 static void font_destroyed (FT_Face face) |
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173 { |
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174 if (instance_ok ()) |
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175 instance->do_font_destroyed (face); |
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176 } |
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177 |
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178 private: |
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179 |
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180 static ft_manager *instance; |
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181 |
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182 typedef std::pair<std::string, double> ft_key; |
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183 typedef std::map<ft_key, FT_Face> ft_cache; |
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184 |
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185 // Cache the fonts loaded by FreeType. This cache only contains |
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186 // weak references to the fonts, strong references are only present |
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187 // in class text_renderer. |
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188 ft_cache cache; |
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189 |
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190 FT_Face do_get_font (const std::string& name, const std::string& weight, |
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191 const std::string& angle, double size) |
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192 { |
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193 FT_Face retval = nullptr; |
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194 |
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195 #if defined (HAVE_FT_REFERENCE_FACE) |
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196 // Look first into the font cache, then use fontconfig. If the font |
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197 // is present in the cache, simply add a reference and return it. |
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198 |
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199 ft_key key (name + ':' + weight + ':' + angle, size); |
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200 ft_cache::const_iterator it = cache.find (key); |
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201 |
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202 if (it != cache.end ()) |
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203 { |
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204 FT_Reference_Face (it->second); |
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205 return it->second; |
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206 } |
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207 #endif |
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208 |
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209 static std::string fonts_dir; |
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210 |
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211 if (fonts_dir.empty ()) |
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212 { |
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213 fonts_dir = sys::env::getenv ("OCTAVE_FONTS_DIR"); |
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214 |
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215 if (fonts_dir.empty ()) |
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216 #if defined (SYSTEM_FREEFONT_DIR) |
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217 fonts_dir = SYSTEM_FREEFONT_DIR; |
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218 #else |
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219 fonts_dir = config::oct_fonts_dir (); |
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220 #endif |
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221 } |
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222 |
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223 |
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224 // Default font file |
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225 std::string file; |
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226 |
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227 if (! fonts_dir.empty ()) |
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228 { |
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229 file = fonts_dir + sys::file_ops::dir_sep_str () + "FreeSans"; |
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230 |
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231 if (weight == "bold") |
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232 file += "Bold"; |
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233 |
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234 if (angle == "italic" || angle == "oblique") |
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235 file += "Oblique"; |
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236 |
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237 file += ".otf"; |
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238 } |
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239 |
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240 #if defined (HAVE_FONTCONFIG) |
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241 if (name != "*" && fontconfig_initialized) |
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242 { |
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243 int fc_weight, fc_angle; |
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244 |
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245 if (weight == "bold") |
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246 fc_weight = FC_WEIGHT_BOLD; |
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247 else if (weight == "light") |
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248 fc_weight = FC_WEIGHT_LIGHT; |
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249 else if (weight == "demi") |
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250 fc_weight = FC_WEIGHT_DEMIBOLD; |
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251 else |
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252 fc_weight = FC_WEIGHT_NORMAL; |
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253 |
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254 if (angle == "italic") |
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255 fc_angle = FC_SLANT_ITALIC; |
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256 else if (angle == "oblique") |
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257 fc_angle = FC_SLANT_OBLIQUE; |
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258 else |
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259 fc_angle = FC_SLANT_ROMAN; |
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260 |
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261 FcPattern *pat = FcPatternCreate (); |
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262 |
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263 FcPatternAddString (pat, FC_FAMILY, |
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264 (reinterpret_cast<const FcChar8 *> |
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265 (name.c_str ()))); |
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266 |
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267 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight); |
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268 FcPatternAddInteger (pat, FC_SLANT, fc_angle); |
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269 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size); |
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270 |
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271 if (FcConfigSubstitute (nullptr, pat, FcMatchPattern)) |
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272 { |
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273 FcResult res; |
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274 FcPattern *match; |
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275 |
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276 FcDefaultSubstitute (pat); |
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277 match = FcFontMatch (nullptr, pat, &res); |
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279 // FIXME: originally, this test also required that |
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280 // res != FcResultNoMatch. Is that really needed? |
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281 if (match) |
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282 { |
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283 unsigned char *tmp; |
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284 |
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285 FcPatternGetString (match, FC_FILE, 0, &tmp); |
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286 file = reinterpret_cast<char *> (tmp); |
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287 } |
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288 else |
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289 ::warning ("could not match any font: %s-%s-%s-%g, using default font", |
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290 name.c_str (), weight.c_str (), angle.c_str (), |
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291 size); |
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292 |
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293 if (match) |
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294 FcPatternDestroy (match); |
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295 } |
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296 |
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297 FcPatternDestroy (pat); |
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298 } |
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299 #endif |
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300 |
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301 if (file.empty ()) |
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302 ::warning ("unable to find default font files"); |
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303 else |
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304 { |
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305 if (FT_New_Face (library, file.c_str (), 0, &retval)) |
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306 ::warning ("ft_manager: unable to load font: %s", file.c_str ()); |
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307 #if defined (HAVE_FT_REFERENCE_FACE) |
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308 else |
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309 { |
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310 // Install a finalizer to notify ft_manager that the font is |
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311 // being destroyed. The class ft_manager only keeps weak |
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312 // references to font objects. |
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313 |
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314 retval->generic.data = new ft_key (key); |
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315 retval->generic.finalizer = ft_face_destroyed; |
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316 |
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317 // Insert loaded font into the cache. |
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318 |
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319 cache[key] = retval; |
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320 } |
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321 #endif |
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322 } |
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323 |
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324 return retval; |
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325 } |
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326 |
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327 void do_font_destroyed (FT_Face face) |
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328 { |
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329 if (face->generic.data) |
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330 { |
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331 ft_key *pkey = reinterpret_cast<ft_key *> (face->generic.data); |
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332 |
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333 cache.erase (*pkey); |
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334 delete pkey; |
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335 face->generic.data = nullptr; |
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336 } |
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337 } |
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338 |
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339 private: |
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340 FT_Library library; |
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341 bool freetype_initialized; |
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342 bool fontconfig_initialized; |
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343 }; |
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344 |
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345 ft_manager *ft_manager::instance = nullptr; |
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346 |
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347 static void |
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348 ft_face_destroyed (void *object) |
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349 { |
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350 ft_manager::font_destroyed (reinterpret_cast<FT_Face> (object)); |
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351 } |
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352 |
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353 class |
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354 OCTINTERP_API |
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355 ft_text_renderer : public base_text_renderer |
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356 { |
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357 public: |
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358 |
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359 enum |
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360 { |
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361 MODE_BBOX = 0, |
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362 MODE_RENDER = 1 |
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363 }; |
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364 |
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365 enum |
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366 { |
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367 ROTATION_0 = 0, |
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368 ROTATION_90 = 1, |
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369 ROTATION_180 = 2, |
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370 ROTATION_270 = 3 |
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371 }; |
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372 |
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373 public: |
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374 |
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375 ft_text_renderer (void) |
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376 : base_text_renderer (), font (), bbox (1, 4, 0.0), halign (0), |
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377 xoffset (0), line_yoffset (0), yoffset (0), mode (MODE_BBOX), |
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378 color (dim_vector (1, 3), 0) |
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379 { } |
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380 |
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381 // No copying! |
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382 |
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383 ft_text_renderer (const ft_text_renderer&) = delete; |
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384 |
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385 ft_text_renderer& operator = (const ft_text_renderer&) = delete; |
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386 |
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387 ~ft_text_renderer (void) = default; |
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388 |
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389 void visit (text_element_string& e); |
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390 |
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391 void visit (text_element_list& e); |
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392 |
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393 void visit (text_element_subscript& e); |
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394 |
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395 void visit (text_element_superscript& e); |
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396 |
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397 void visit (text_element_color& e); |
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398 |
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399 void visit (text_element_fontsize& e); |
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400 |
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401 void visit (text_element_fontname& e); |
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402 |
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403 void visit (text_element_fontstyle& e); |
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404 |
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405 void visit (text_element_symbol& e); |
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406 |
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407 void visit (text_element_combined& e); |
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408 |
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409 void reset (void); |
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410 |
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411 uint8NDArray get_pixels (void) const { return pixels; } |
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412 |
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413 Matrix get_boundingbox (void) const { return bbox; } |
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414 |
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415 uint8NDArray render (text_element *elt, Matrix& box, |
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416 int rotation = ROTATION_0); |
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417 |
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418 Matrix get_extent (text_element *elt, double rotation = 0.0); |
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419 Matrix get_extent (const std::string& txt, double rotation, |
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420 const caseless_str& interpreter); |
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421 |
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422 void set_font (const std::string& name, const std::string& weight, |
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423 const std::string& angle, double size); |
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424 |
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425 void set_color (const Matrix& c); |
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426 |
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427 void set_mode (int m); |
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428 |
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429 void text_to_pixels (const std::string& txt, |
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430 uint8NDArray& pxls, Matrix& bbox, |
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431 int halign, int valign, double rotation, |
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432 const caseless_str& interpreter, |
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433 bool handle_rotation); |
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434 |
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435 private: |
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436 |
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437 int rotation_to_mode (double rotation) const; |
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438 |
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439 // Class to hold information about fonts and a strong |
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440 // reference to the font objects loaded by FreeType. |
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441 |
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442 class ft_font : public text_renderer::font |
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443 { |
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444 public: |
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445 |
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446 ft_font (void) |
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447 : text_renderer::font (), face (nullptr) { } |
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448 |
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449 ft_font (const std::string& nm, const std::string& wt, |
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450 const std::string& ang, double sz, FT_Face f = nullptr) |
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451 : text_renderer::font (nm, wt, ang, sz), face (f) |
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452 { } |
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453 |
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454 ft_font (const ft_font& ft); |
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455 |
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456 ~ft_font (void) |
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457 { |
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458 if (face) |
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459 FT_Done_Face (face); |
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460 } |
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461 |
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462 ft_font& operator = (const ft_font& ft); |
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463 |
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464 bool is_valid (void) const { return get_face (); } |
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465 |
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466 FT_Face get_face (void) const; |
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467 |
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468 private: |
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469 |
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470 mutable FT_Face face; |
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471 }; |
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472 |
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473 void push_new_line (void); |
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474 |
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475 void update_line_bbox (void); |
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476 |
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477 void compute_bbox (void); |
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478 |
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479 int compute_line_xoffset (const Matrix& lb) const; |
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480 |
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481 FT_UInt process_character (FT_ULong code, FT_UInt previous = 0); |
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482 |
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483 public: |
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484 |
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485 void text_to_strlist (const std::string& txt, |
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486 std::list<text_renderer::string>& lst, Matrix& bbox, |
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487 int halign, int valign, double rotation, |
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488 const caseless_str& interp); |
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489 |
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490 private: |
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491 |
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492 // The current font used by the renderer. |
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493 ft_font font; |
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494 |
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495 // Used to stored the bounding box corresponding to the rendered text. |
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496 // The bounding box has the form [x, y, w, h] where x and y represent the |
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497 // coordinates of the bottom left corner relative to the anchor point of |
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498 // the text (== start of text on the baseline). Due to font descent or |
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499 // multiple lines, the value y is usually negative. |
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500 Matrix bbox; |
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501 |
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502 // Used to stored the rendered text. It's a 3D matrix with size MxNx4 |
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503 // where M and N are the width and height of the bounding box. |
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504 uint8NDArray pixels; |
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505 |
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506 // Used to store the bounding box of each line. This is used to layout |
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507 // multiline text properly. |
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508 std::list<Matrix> line_bbox; |
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509 |
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510 // The current horizontal alignment. This is used to align multi-line text. |
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511 int halign; |
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512 |
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513 // The X offset for the next glyph. |
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514 int xoffset; |
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515 |
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516 // The Y offset of the baseline for the current line. |
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517 int line_yoffset; |
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518 |
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519 // The Y offset of the baseline for the next glyph. The offset is relative |
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520 // to line_yoffset. The total Y offset is computed with: |
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521 // line_yoffset + yoffset. |
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522 int yoffset; |
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523 |
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524 // The current mode of the rendering process (box computing or rendering). |
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525 int mode; |
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526 |
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527 // The base color of the rendered text. |
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528 uint8NDArray color; |
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529 |
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530 // A list of parsed strings to be used for printing. |
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531 std::list<text_renderer::string> strlist; |
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532 |
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533 // The X offset of the baseline for the current line. |
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534 int line_xoffset; |
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535 |
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536 }; |
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537 |
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538 void |
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539 ft_text_renderer::set_font (const std::string& name, const std::string& weight, |
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540 const std::string& angle, double size) |
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541 { |
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542 // FIXME: take "fontunits" into account |
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543 |
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544 font = ft_font (name, weight, angle, size, nullptr); |
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545 } |
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546 |
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547 void |
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548 ft_text_renderer::push_new_line (void) |
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549 { |
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550 switch (mode) |
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551 { |
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552 case MODE_BBOX: |
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553 { |
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554 // Create a new bbox entry based on the current font. |
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555 |
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556 FT_Face face = font.get_face (); |
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557 |
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558 if (face) |
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559 { |
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560 int asc = face->size->metrics.ascender >> 6; |
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561 int desc = face->size->metrics.descender >> 6; |
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562 int h = face->size->metrics.height >> 6; |
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563 |
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564 Matrix bb (1, 5, 0.0); |
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565 |
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|
566 bb(1) = desc; |
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567 bb(3) = asc - desc; |
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568 bb(4) = h; |
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569 |
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570 line_bbox.push_back (bb); |
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571 |
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572 xoffset = yoffset = 0; |
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573 } |
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574 } |
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575 break; |
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576 |
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577 case MODE_RENDER: |
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578 { |
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579 // Move to the next line bbox, adjust xoffset based on alignment |
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580 // and yoffset based on the old and new line bbox. |
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581 |
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582 Matrix old_bbox = line_bbox.front (); |
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583 line_bbox.pop_front (); |
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584 Matrix new_bbox = line_bbox.front (); |
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585 |
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586 xoffset = line_xoffset = compute_line_xoffset (new_bbox); |
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587 line_yoffset += (old_bbox(1) - (new_bbox(1) + new_bbox(3))); |
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588 yoffset = 0; |
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589 } |
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590 break; |
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591 } |
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592 } |
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593 |
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594 int |
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595 ft_text_renderer::compute_line_xoffset (const Matrix& lb) const |
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596 { |
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changeset
|
597 if (! bbox.isempty ()) |
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598 { |
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599 switch (halign) |
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600 { |
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601 case 0: |
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602 return 0; |
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|
603 case 1: |
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604 return (bbox(2) - lb(2)) / 2; |
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|
605 case 2: |
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606 return (bbox(2) - lb(2)); |
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607 } |
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608 } |
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609 |
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610 return 0; |
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611 } |
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612 |
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613 void |
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614 ft_text_renderer::compute_bbox (void) |
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615 { |
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616 // Stack the various line bbox together and compute the final |
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617 // bounding box for the entire text string. |
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618 |
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619 bbox = Matrix (); |
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620 |
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621 switch (line_bbox.size ()) |
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622 { |
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623 case 0: |
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624 break; |
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625 |
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626 case 1: |
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627 bbox = line_bbox.front ().extract (0, 0, 0, 3); |
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628 break; |
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revamp text rendering classes
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629 |
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630 default: |
22862
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maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
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diff
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|
631 for (const auto& lbox : line_bbox) |
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632 { |
23577
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maint: Deprecate is_empty and replace with isempty.
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|
633 if (bbox.isempty ()) |
22862
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|
634 bbox = lbox.extract (0, 0, 0, 3); |
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635 else |
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636 { |
22862
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637 bbox(1) -= lbox(3); |
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|
638 bbox(3) += lbox(3); |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
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639 bbox(2) = math::max (bbox(2), lbox(2)); |
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640 } |
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641 } |
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642 break; |
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643 } |
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644 } |
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revamp text rendering classes
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|
645 |
22331
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646 void |
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647 ft_text_renderer::update_line_bbox (void) |
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648 { |
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649 // Called after a font change, when in MODE_BBOX mode, to update the |
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650 // current line bbox with the new font metrics. This also includes the |
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651 // current yoffset, that is the offset of the current glyph's baseline |
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652 // the line's baseline. |
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653 |
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654 if (mode == MODE_BBOX) |
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655 { |
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656 int asc = font.get_face ()->size->metrics.ascender >> 6; |
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657 int desc = font.get_face ()->size->metrics.descender >> 6; |
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658 |
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659 Matrix& bb = line_bbox.back (); |
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660 |
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661 if ((yoffset + desc) < bb(1)) |
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662 { |
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663 // The new font goes below the bottom of the current bbox. |
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664 |
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665 int delta = bb(1) - (yoffset + desc); |
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666 |
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667 bb(1) -= delta; |
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668 bb(3) += delta; |
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669 } |
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|
670 |
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671 if ((yoffset + asc) > (bb(1) + bb(3))) |
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672 { |
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673 // The new font goes above the top of the current bbox. |
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|
674 |
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|
675 int delta = (yoffset + asc) - (bb(1) + bb(3)); |
21209
67d2965af0b5
revamp text rendering classes
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|
676 |
22331
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|
677 bb(3) += delta; |
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|
678 } |
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changeset
|
679 } |
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changeset
|
680 } |
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changeset
|
681 |
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changeset
|
682 void |
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683 ft_text_renderer::set_mode (int m) |
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|
684 { |
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|
685 mode = m; |
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|
686 |
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687 switch (mode) |
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|
688 { |
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|
689 case MODE_BBOX: |
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|
690 xoffset = line_yoffset = yoffset = 0; |
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|
691 bbox = Matrix (1, 4, 0.0); |
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|
692 line_bbox.clear (); |
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|
693 push_new_line (); |
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|
694 break; |
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diff
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|
695 |
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|
696 case MODE_RENDER: |
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|
697 if (bbox.numel () != 4) |
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|
698 { |
22515
77b50a83ec11
Error out, rather than segfault, when fontname is "" (bug #49102).
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
699 ::error ("ft_text_renderer: invalid bounding box, cannot render"); |
21209
67d2965af0b5
revamp text rendering classes
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diff
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|
700 |
22331
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|
701 xoffset = line_yoffset = yoffset = 0; |
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|
702 pixels = uint8NDArray (); |
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|
703 } |
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|
704 else |
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|
705 { |
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|
706 dim_vector d (4, octave_idx_type (bbox(2)), |
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707 octave_idx_type (bbox(3))); |
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|
708 pixels = uint8NDArray (d, static_cast<uint8_t> (0)); |
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|
709 xoffset = compute_line_xoffset (line_bbox.front ()); |
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710 line_yoffset = -bbox(1)-1; |
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|
711 yoffset = 0; |
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|
712 } |
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changeset
|
713 break; |
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changeset
|
714 |
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changeset
|
715 default: |
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|
716 error ("ft_text_renderer: invalid mode '%d'", mode); |
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|
717 break; |
b81b08cc4c83
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diff
changeset
|
718 } |
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changeset
|
719 } |
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changeset
|
720 |
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changeset
|
721 FT_UInt |
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|
722 ft_text_renderer::process_character (FT_ULong code, FT_UInt previous) |
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|
723 { |
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changeset
|
724 FT_Face face = font.get_face (); |
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|
725 FT_UInt glyph_index = 0; |
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|
726 |
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changeset
|
727 if (face) |
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changeset
|
728 { |
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changeset
|
729 glyph_index = FT_Get_Char_Index (face, code); |
21209
67d2965af0b5
revamp text rendering classes
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changeset
|
730 |
22331
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|
731 if (code != '\n' |
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|
732 && (! glyph_index |
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diff
changeset
|
733 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
734 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
735 glyph_index = 0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
736 warn_missing_glyph (code); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
737 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
738 else |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
739 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
740 switch (mode) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
741 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
742 case MODE_RENDER: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
743 if (code == '\n') |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
744 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
745 glyph_index = FT_Get_Char_Index (face, ' '); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
746 if (! glyph_index |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
747 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
748 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
749 glyph_index = 0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
750 warn_missing_glyph (' '); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
751 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
752 else |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
753 push_new_line (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
754 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
755 else if (FT_Render_Glyph (face->glyph, FT_RENDER_MODE_NORMAL)) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
756 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
757 glyph_index = 0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
758 warn_glyph_render (code); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
759 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
760 else |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
761 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
762 FT_Bitmap& bitmap = face->glyph->bitmap; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
763 int x0, y0; |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
764 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
765 if (previous) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
766 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
767 FT_Vector delta; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
768 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
769 FT_Get_Kerning (face, previous, glyph_index, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
770 FT_KERNING_DEFAULT, &delta); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
771 xoffset += (delta.x >> 6); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
772 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
773 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
774 x0 = xoffset + face->glyph->bitmap_left; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
775 y0 = line_yoffset + yoffset + face->glyph->bitmap_top; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
776 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
777 // 'w' seems to have a negative -1 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
778 // face->glyph->bitmap_left, this is so we don't |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
779 // index out of bound, and assumes we've allocated |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
780 // the right amount of horizontal space in the bbox. |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
781 if (x0 < 0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
782 x0 = 0; |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
783 |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
784 for (int r = 0; static_cast<unsigned int> (r) < bitmap.rows; r++) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
785 for (int c = 0; static_cast<unsigned int> (c) < bitmap.width; c++) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
786 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
787 unsigned char pix = bitmap.buffer[r*bitmap.width+c]; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
788 if (x0+c < 0 || x0+c >= pixels.dim2 () |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
789 || y0-r < 0 || y0-r >= pixels.dim3 ()) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
790 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
791 //::warning ("ft_text_renderer: pixel out of bound (char=%d, (x,y)=(%d,%d), (w,h)=(%d,%d)", |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
792 // str[i], x0+c, y0-r, pixels.dim2 (), pixels.dim3 ()); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
793 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
794 else if (pixels(3, x0+c, y0-r).value () == 0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
795 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
796 pixels(0, x0+c, y0-r) = color(0); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
797 pixels(1, x0+c, y0-r) = color(1); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
798 pixels(2, x0+c, y0-r) = color(2); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
799 pixels(3, x0+c, y0-r) = pix; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
800 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
801 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
802 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
803 xoffset += (face->glyph->advance.x >> 6); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
804 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
805 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
806 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
807 case MODE_BBOX: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
808 if (code == '\n') |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
809 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
810 glyph_index = FT_Get_Char_Index (face, ' '); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
811 if (! glyph_index |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
812 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
813 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
814 glyph_index = 0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
815 warn_missing_glyph (' '); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
816 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
817 else |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
818 push_new_line (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
819 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
820 else |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
821 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
822 Matrix& bb = line_bbox.back (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
823 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
824 // If we have a previous glyph, use kerning information. |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
825 // This usually means moving a bit backward before adding |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
826 // the next glyph. That is, "delta.x" is usually < 0. |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
827 if (previous) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
828 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
829 FT_Vector delta; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
830 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
831 FT_Get_Kerning (face, previous, glyph_index, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
832 FT_KERNING_DEFAULT, &delta); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
833 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
834 xoffset += (delta.x >> 6); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
835 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
836 |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
837 // Extend current X offset box by the width of the current |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
838 // glyph. Then extend the line bounding box if necessary. |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
839 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
840 xoffset += (face->glyph->advance.x >> 6); |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23577
diff
changeset
|
841 bb(2) = math::max (bb(2), xoffset); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
842 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
843 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
844 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
845 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
846 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
847 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
848 return glyph_index; |
b81b08cc4c83
maint: Indent namespaces in more files.
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22326
diff
changeset
|
849 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
850 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
851 void |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
852 ft_text_renderer::text_to_strlist (const std::string& txt, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
853 std::list<text_renderer::string>& lst, |
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854 Matrix& box, |
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855 int ha, int va, double rot, |
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856 const caseless_str& interp) |
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857 { |
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858 uint8NDArray pxls; |
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|
859 |
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860 // First run text_to_pixels which will also build the string list |
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861 |
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862 text_to_pixels (txt, pxls, box, ha, va, rot, interp, false); |
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863 |
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864 lst = strlist; |
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865 } |
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866 |
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867 void |
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868 ft_text_renderer::visit (text_element_string& e) |
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869 { |
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870 if (font.is_valid ()) |
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871 { |
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872 FT_UInt glyph_index, previous = 0; |
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873 |
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874 std::string str = e.string_value (); |
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875 size_t n = str.length (); |
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876 size_t curr = 0; |
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877 size_t idx = 0; |
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878 mbstate_t ps; |
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879 memset (&ps, 0, sizeof (ps)); // Initialize state to 0. |
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changeset
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880 wchar_t wc; |
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881 std::string fname = font.get_face ()->family_name; |
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882 text_renderer::string fs (str, font, xoffset, yoffset); |
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883 std::vector<double> xdata; |
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884 |
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885 while (n > 0) |
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886 { |
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|
887 size_t r = std::mbrtowc (&wc, str.data () + curr, n, &ps); |
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|
888 |
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|
889 if (r > 0 |
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890 && r != static_cast<size_t> (-1) |
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891 && r != static_cast<size_t> (-2)) |
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|
892 { |
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|
893 n -= r; |
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changeset
|
894 curr += r; |
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895 |
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|
896 if (wc == L'\n') |
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|
897 { |
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|
898 // Finish previous string in strlist before processing |
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|
899 // the newline character |
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900 fs.set_y (line_yoffset + yoffset); |
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901 fs.set_color (color); |
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|
902 std::string s = str.substr (idx, curr - idx - 1); |
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changeset
|
903 if (! s.empty ()) |
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|
904 { |
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|
905 fs.set_string (s); |
24076
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improve text rendering in svg printout (bug #48567)
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|
906 fs.set_xdata (xdata); |
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|
907 fs.set_family (fname); |
22331
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|
908 strlist.push_back (fs); |
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changeset
|
909 } |
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changeset
|
910 } |
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improve text rendering in svg printout (bug #48567)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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diff
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|
911 else |
1b7e49a72c62
improve text rendering in svg printout (bug #48567)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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diff
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|
912 xdata.push_back (xoffset); |
22331
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diff
changeset
|
913 |
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changeset
|
914 glyph_index = process_character (wc, previous); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
915 |
22331
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changeset
|
916 if (wc == L'\n') |
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|
917 { |
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|
918 previous = 0; |
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changeset
|
919 // Start a new string in strlist |
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changeset
|
920 idx = curr; |
24076
1b7e49a72c62
improve text rendering in svg printout (bug #48567)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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diff
changeset
|
921 xdata.clear (); |
22331
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diff
changeset
|
922 fs = text_renderer::string (str.substr (idx), font, |
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changeset
|
923 line_xoffset, yoffset); |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
924 } |
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maint: Indent namespaces in more files.
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diff
changeset
|
925 else |
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maint: Indent namespaces in more files.
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changeset
|
926 previous = glyph_index; |
b81b08cc4c83
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changeset
|
927 } |
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diff
changeset
|
928 else |
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diff
changeset
|
929 { |
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changeset
|
930 if (r != 0) |
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changeset
|
931 ::warning ("ft_text_renderer: failed to decode string `%s' with " |
b81b08cc4c83
maint: Indent namespaces in more files.
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changeset
|
932 "locale `%s'", str.c_str (), |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23696
diff
changeset
|
933 std::setlocale (LC_CTYPE, nullptr)); |
22331
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maint: Indent namespaces in more files.
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diff
changeset
|
934 break; |
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22326
diff
changeset
|
935 } |
b81b08cc4c83
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parents:
22326
diff
changeset
|
936 } |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
937 |
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parents:
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diff
changeset
|
938 if (! fs.get_string ().empty ()) |
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changeset
|
939 { |
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diff
changeset
|
940 fs.set_y (line_yoffset + yoffset); |
b81b08cc4c83
maint: Indent namespaces in more files.
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changeset
|
941 fs.set_color (color); |
24076
1b7e49a72c62
improve text rendering in svg printout (bug #48567)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
23807
diff
changeset
|
942 fs.set_xdata (xdata); |
1b7e49a72c62
improve text rendering in svg printout (bug #48567)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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diff
changeset
|
943 fs.set_family (fname); |
22331
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changeset
|
944 strlist.push_back (fs); |
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diff
changeset
|
945 } |
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diff
changeset
|
946 } |
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diff
changeset
|
947 } |
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maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
948 |
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diff
changeset
|
949 void |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
950 ft_text_renderer::visit (text_element_list& e) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
951 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
952 // 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
|
953 |
22331
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diff
changeset
|
954 ft_font saved_font (font); |
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diff
changeset
|
955 uint8NDArray saved_color (color); |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
956 |
b81b08cc4c83
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parents:
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diff
changeset
|
957 text_processor::visit (e); |
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maint: Indent namespaces in more files.
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diff
changeset
|
958 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
959 font = saved_font; |
b81b08cc4c83
maint: Indent namespaces in more files.
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changeset
|
960 color = saved_color; |
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maint: Indent namespaces in more files.
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diff
changeset
|
961 } |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
962 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
963 void |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
964 ft_text_renderer::visit (text_element_subscript& e) |
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maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
965 { |
b81b08cc4c83
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diff
changeset
|
966 ft_font saved_font (font); |
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diff
changeset
|
967 int saved_line_yoffset = line_yoffset; |
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diff
changeset
|
968 int saved_yoffset = yoffset; |
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diff
changeset
|
969 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
970 set_font (font.get_name (), font.get_weight (), font.get_angle (), |
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diff
changeset
|
971 font.get_size () - 2); |
b81b08cc4c83
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diff
changeset
|
972 |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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|
973 if (font.is_valid ()) |
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|
974 { |
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diff
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|
975 int h = font.get_face ()->size->metrics.height >> 6; |
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changeset
|
976 |
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diff
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|
977 // Shifting the baseline by 2/3 the font height seems to produce |
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maint: Indent namespaces in more files.
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diff
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|
978 // decent result. |
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maint: Indent namespaces in more files.
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|
979 yoffset -= (h * 2) / 3; |
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maint: Indent namespaces in more files.
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diff
changeset
|
980 |
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|
981 if (mode == MODE_BBOX) |
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changeset
|
982 update_line_bbox (); |
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|
983 } |
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changeset
|
984 |
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changeset
|
985 text_processor::visit (e); |
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|
986 |
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22326
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changeset
|
987 font = saved_font; |
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changeset
|
988 // If line_yoffset changed, this means we moved to a new line; hence yoffset |
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|
989 // cannot be restored, because the saved value is not relevant anymore. |
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diff
changeset
|
990 if (line_yoffset == saved_line_yoffset) |
b81b08cc4c83
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changeset
|
991 yoffset = saved_yoffset; |
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diff
changeset
|
992 } |
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diff
changeset
|
993 |
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maint: Indent namespaces in more files.
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diff
changeset
|
994 void |
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maint: Indent namespaces in more files.
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changeset
|
995 ft_text_renderer::visit (text_element_superscript& e) |
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|
996 { |
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changeset
|
997 ft_font saved_font (font); |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
998 int saved_line_yoffset = line_yoffset; |
b81b08cc4c83
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changeset
|
999 int saved_yoffset = yoffset; |
21209
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revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1000 |
22331
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|
1001 set_font (font.get_name (), font.get_weight (), font.get_angle (), |
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changeset
|
1002 font.get_size () - 2); |
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diff
changeset
|
1003 |
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diff
changeset
|
1004 if (saved_font.is_valid ()) |
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|
1005 { |
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|
1006 int s_asc = saved_font.get_face ()->size->metrics.ascender >> 6; |
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maint: Indent namespaces in more files.
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changeset
|
1007 |
b81b08cc4c83
maint: Indent namespaces in more files.
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changeset
|
1008 // Shifting the baseline by 2/3 base font ascender seems to produce |
b81b08cc4c83
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diff
changeset
|
1009 // decent result. |
b81b08cc4c83
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changeset
|
1010 yoffset += (s_asc * 2) / 3; |
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|
1011 |
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|
1012 if (mode == MODE_BBOX) |
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changeset
|
1013 update_line_bbox (); |
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|
1014 } |
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diff
changeset
|
1015 |
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|
1016 text_processor::visit (e); |
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|
1017 |
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changeset
|
1018 font = saved_font; |
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22326
diff
changeset
|
1019 // If line_yoffset changed, this means we moved to a new line; hence yoffset |
b81b08cc4c83
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John W. Eaton <jwe@octave.org>
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changeset
|
1020 // cannot be restored, because the saved value is not relevant anymore. |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
1021 if (line_yoffset == saved_line_yoffset) |
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22326
diff
changeset
|
1022 yoffset = saved_yoffset; |
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diff
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|
1023 } |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1024 |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1025 void |
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maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1026 ft_text_renderer::visit (text_element_color& e) |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1027 { |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1028 if (mode == MODE_RENDER) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1029 set_color (e.get_color ()); |
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diff
changeset
|
1030 } |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1031 |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1032 void |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1033 ft_text_renderer::visit (text_element_fontsize& e) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1034 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1035 double sz = e.get_fontsize (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1036 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1037 // FIXME: Matlab documentation says that the font size is expressed |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
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|
1038 // in the text object FontUnit. |
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maint: Indent namespaces in more files.
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diff
changeset
|
1039 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1040 set_font (font.get_name (), font.get_weight (), font.get_angle (), sz); |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
1041 |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1042 if (mode == MODE_BBOX) |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1043 update_line_bbox (); |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1044 } |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1045 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1046 void |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1047 ft_text_renderer::visit (text_element_fontname& e) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1048 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1049 set_font (e.get_fontname (), font.get_weight (), font.get_angle (), |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1050 font.get_size ()); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1051 |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1052 if (mode == MODE_BBOX) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1053 update_line_bbox (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1054 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1055 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1056 void |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1057 ft_text_renderer::visit (text_element_fontstyle& e) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1058 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1059 switch (e.get_fontstyle ()) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1060 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1061 case text_element_fontstyle::normal: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1062 set_font (font.get_name (), "normal", "normal", font.get_size ()); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1063 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1064 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1065 case text_element_fontstyle::bold: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1066 set_font (font.get_name (), "bold", "normal", font.get_size ()); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1067 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1068 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1069 case text_element_fontstyle::italic: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1070 set_font (font.get_name (), "normal", "italic", font.get_size ()); |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1071 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1072 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1073 case text_element_fontstyle::oblique: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1074 set_font (font.get_name (), "normal", "oblique", font.get_size ()); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1075 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
1076 } |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
1077 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1078 if (mode == MODE_BBOX) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1079 update_line_bbox (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1080 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1081 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1082 void |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1083 ft_text_renderer::visit (text_element_symbol& e) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1084 { |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
1085 uint32_t code = e.get_symbol_code (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1086 |
24076
1b7e49a72c62
improve text rendering in svg printout (bug #48567)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
23807
diff
changeset
|
1087 std::vector<double> xdata (1, xoffset); |
23807
336f89b6208b
Use character literals 'c' rather than string literals "c" when possible.
Rik <rik@octave.org>
parents:
23795
diff
changeset
|
1088 text_renderer::string fs ("-", font, xoffset, yoffset); |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1089 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1090 if (code != text_element_symbol::invalid_code && font.is_valid ()) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1091 { |
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1092 process_character (code); |
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|
1093 fs.set_code (code); |
24076
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improve text rendering in svg printout (bug #48567)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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diff
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|
1094 fs.set_xdata (xdata); |
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1095 } |
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1096 else if (font.is_valid ()) |
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1097 ::warning ("ignoring unknown symbol: %d", e.get_symbol ()); |
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|
1098 |
22331
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1099 if (fs.get_code ()) |
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1100 { |
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1101 fs.set_y (line_yoffset + yoffset); |
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|
1102 fs.set_color (color); |
24076
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|
1103 fs.set_family (font.get_face ()->family_name); |
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1104 strlist.push_back (fs); |
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1105 } |
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1106 } |
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1107 |
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1108 void |
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1109 ft_text_renderer::visit (text_element_combined& e) |
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1110 { |
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1111 int saved_xoffset = xoffset; |
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1112 int max_xoffset = xoffset; |
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1113 |
22862
e365e87371a3
maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents:
22755
diff
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|
1114 for (auto *txt_elt : e) |
22331
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1115 { |
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|
1116 xoffset = saved_xoffset; |
22862
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maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
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22755
diff
changeset
|
1117 txt_elt->accept (*this); |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
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23577
diff
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|
1118 max_xoffset = math::max (xoffset, max_xoffset); |
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1119 } |
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|
1120 |
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1121 xoffset = max_xoffset; |
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1122 } |
21209
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revamp text rendering classes
John W. Eaton <jwe@octave.org>
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|
1123 |
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1124 void |
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1125 ft_text_renderer::reset (void) |
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|
1126 { |
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1127 set_mode (MODE_BBOX); |
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|
1128 set_color (Matrix (1, 3, 0.0)); |
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1129 } |
21209
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|
1130 |
22331
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|
1131 void |
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changeset
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1132 ft_text_renderer::set_color (const Matrix& c) |
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|
1133 { |
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1134 if (c.numel () == 3) |
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|
1135 { |
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|
1136 color(0) = static_cast<uint8_t> (c(0)*255); |
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|
1137 color(1) = static_cast<uint8_t> (c(1)*255); |
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|
1138 color(2) = static_cast<uint8_t> (c(2)*255); |
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|
1139 } |
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|
1140 else |
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|
1141 ::warning ("ft_text_renderer::set_color: invalid color"); |
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|
1142 } |
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|
1143 |
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|
1144 uint8NDArray |
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|
1145 ft_text_renderer::render (text_element *elt, Matrix& box, int rotation) |
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|
1146 { |
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|
1147 set_mode (MODE_BBOX); |
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|
1148 elt->accept (*this); |
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|
1149 compute_bbox (); |
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|
1150 box = bbox; |
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|
1151 |
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|
1152 set_mode (MODE_RENDER); |
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|
1153 // Clear the list of parsed strings |
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|
1154 strlist.clear (); |
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|
1155 |
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|
1156 if (pixels.numel () > 0) |
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|
1157 { |
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changeset
|
1158 elt->accept (*this); |
21209
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revamp text rendering classes
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1159 |
22331
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|
1160 switch (rotation) |
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|
1161 { |
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|
1162 case ROTATION_0: |
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|
1163 break; |
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changeset
|
1164 |
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|
1165 case ROTATION_90: |
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|
1166 { |
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|
1167 Array<octave_idx_type> perm (dim_vector (3, 1)); |
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changeset
|
1168 perm(0) = 0; |
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|
1169 perm(1) = 2; |
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changeset
|
1170 perm(2) = 1; |
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|
1171 pixels = pixels.permute (perm); |
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|
1172 |
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|
1173 Array<idx_vector> idx (dim_vector (3, 1)); |
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|
1174 idx(0) = idx_vector (':'); |
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|
1175 idx(1) = idx_vector (pixels.dim2 ()-1, -1, -1); |
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|
1176 idx(2) = idx_vector (':'); |
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|
1177 pixels = uint8NDArray (pixels.index (idx)); |
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|
1178 } |
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changeset
|
1179 break; |
21209
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revamp text rendering classes
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parents:
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diff
changeset
|
1180 |
22331
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|
1181 case ROTATION_180: |
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|
1182 { |
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changeset
|
1183 Array<idx_vector> idx (dim_vector (3, 1)); |
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|
1184 idx(0) = idx_vector (':'); |
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|
1185 idx(1) = idx_vector (pixels.dim2 ()-1, -1, -1); |
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|
1186 idx(2) = idx_vector (pixels.dim3 ()-1, -1, -1); |
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|
1187 pixels = uint8NDArray (pixels.index (idx)); |
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changeset
|
1188 } |
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changeset
|
1189 break; |
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changeset
|
1190 |
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changeset
|
1191 case ROTATION_270: |
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|
1192 { |
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|
1193 Array<octave_idx_type> perm (dim_vector (3, 1)); |
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changeset
|
1194 perm(0) = 0; |
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|
1195 perm(1) = 2; |
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|
1196 perm(2) = 1; |
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|
1197 pixels = pixels.permute (perm); |
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changeset
|
1198 |
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|
1199 Array<idx_vector> idx (dim_vector (3, 1)); |
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|
1200 idx(0) = idx_vector (':'); |
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|
1201 idx(1) = idx_vector (':'); |
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|
1202 idx(2) = idx_vector (pixels.dim3 ()-1, -1, -1); |
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|
1203 pixels = uint8NDArray (pixels.index (idx)); |
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changeset
|
1204 } |
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changeset
|
1205 break; |
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changeset
|
1206 } |
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changeset
|
1207 } |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
1208 |
22331
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changeset
|
1209 return pixels; |
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changeset
|
1210 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1211 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1212 // Note: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1213 // x-extent accurately measures width of glyphs. |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1214 // y-extent is overly large because it is measured from baseline-to-baseline. |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1215 // Calling routines, such as ylabel, may need to account for this mismatch. |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1216 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1217 Matrix |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1218 ft_text_renderer::get_extent (text_element *elt, double rotation) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1219 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1220 set_mode (MODE_BBOX); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1221 elt->accept (*this); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1222 compute_bbox (); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1223 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1224 Matrix extent (1, 2, 0.0); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1225 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1226 switch (rotation_to_mode (rotation)) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1227 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1228 case ROTATION_0: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1229 case ROTATION_180: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1230 extent(0) = bbox(2); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1231 extent(1) = bbox(3); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1232 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1233 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1234 case ROTATION_90: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1235 case ROTATION_270: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1236 extent(0) = bbox(3); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1237 extent(1) = bbox(2); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1238 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1239 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1240 return extent; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1241 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1242 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1243 Matrix |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1244 ft_text_renderer::get_extent (const std::string& txt, double rotation, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1245 const caseless_str& interpreter) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1246 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1247 text_element *elt = text_parser::parse (txt, interpreter); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1248 Matrix extent = get_extent (elt, rotation); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1249 delete elt; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1250 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1251 return extent; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1252 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1253 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1254 int |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1255 ft_text_renderer::rotation_to_mode (double rotation) const |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1256 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1257 // Clip rotation to range [0, 360] |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1258 while (rotation < 0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1259 rotation += 360.0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1260 while (rotation > 360.0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1261 rotation -= 360.0; |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
1262 |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1263 if (rotation == 0.0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1264 return ROTATION_0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1265 else if (rotation == 90.0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1266 return ROTATION_90; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1267 else if (rotation == 180.0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1268 return ROTATION_180; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1269 else if (rotation == 270.0) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1270 return ROTATION_270; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1271 else |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1272 return ROTATION_0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1273 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1274 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1275 void |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1276 ft_text_renderer::text_to_pixels (const std::string& txt, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1277 uint8NDArray& pxls, Matrix& box, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1278 int _halign, int valign, double rotation, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1279 const caseless_str& interpreter, |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1280 bool handle_rotation) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1281 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1282 int rot_mode = rotation_to_mode (rotation); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1283 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1284 halign = _halign; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1285 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1286 text_element *elt = text_parser::parse (txt, interpreter); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1287 pxls = render (elt, box, rot_mode); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1288 delete elt; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1289 |
23577
80c42f4cca13
maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents:
23462
diff
changeset
|
1290 if (pxls.isempty ()) |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1291 return; // nothing to render |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1292 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1293 switch (halign) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1294 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1295 case 1: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1296 box(0) = -box(2)/2; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1297 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1298 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1299 case 2: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1300 box(0) = -box(2); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1301 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1302 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
1303 default: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1304 box(0) = 0; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1305 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1306 } |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1307 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1308 switch (valign) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1309 { |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1310 case 1: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1311 box(1) = -box(3)/2; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1312 break; |
9403
4af6e29449c1
[mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff
changeset
|
1313 |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1314 case 2: |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
1315 box(1) = -box(3); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1316 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1317 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1318 case 3: |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1319 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1320 |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1321 case 4: |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1322 box(1) = -box(3)-box(1); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1323 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1324 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1325 default: |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
1326 box(1) = 0; |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1327 break; |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1328 } |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
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diff
changeset
|
1329 |
b81b08cc4c83
maint: Indent namespaces in more files.
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parents:
22326
diff
changeset
|
1330 if (handle_rotation) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1331 { |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1332 switch (rot_mode) |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1333 { |
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parents:
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diff
changeset
|
1334 case ROTATION_90: |
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|
1335 std::swap (box(0), box(1)); |
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diff
changeset
|
1336 std::swap (box(2), box(3)); |
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diff
changeset
|
1337 box(0) = -box(0)-box(2); |
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diff
changeset
|
1338 break; |
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parents:
22326
diff
changeset
|
1339 |
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diff
changeset
|
1340 case ROTATION_180: |
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diff
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|
1341 box(0) = -box(0)-box(2); |
b81b08cc4c83
maint: Indent namespaces in more files.
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|
1342 box(1) = -box(1)-box(3); |
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1343 break; |
17271
cb7233cfbf43
Prepare base text rendering code for full TeX support.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17270
diff
changeset
|
1344 |
22331
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diff
changeset
|
1345 case ROTATION_270: |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1346 std::swap (box(0), box(1)); |
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diff
changeset
|
1347 std::swap (box(2), box(3)); |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
1348 box(1) = -box(1)-box(3); |
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diff
changeset
|
1349 break; |
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parents:
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diff
changeset
|
1350 } |
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parents:
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diff
changeset
|
1351 } |
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parents:
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diff
changeset
|
1352 } |
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parents:
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diff
changeset
|
1353 |
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John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
1354 ft_text_renderer::ft_font::ft_font (const ft_font& ft) |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23696
diff
changeset
|
1355 : text_renderer::font (ft), face (nullptr) |
22331
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changeset
|
1356 { |
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changeset
|
1357 #if defined (HAVE_FT_REFERENCE_FACE) |
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John W. Eaton <jwe@octave.org>
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|
1358 FT_Face ft_face = ft.get_face (); |
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diff
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|
1359 |
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changeset
|
1360 if (ft_face && FT_Reference_Face (ft_face) == 0) |
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diff
changeset
|
1361 face = ft_face; |
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diff
changeset
|
1362 #endif |
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parents:
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diff
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|
1363 } |
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parents:
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diff
changeset
|
1364 |
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parents:
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changeset
|
1365 ft_text_renderer::ft_font& |
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changeset
|
1366 ft_text_renderer::ft_font::operator = (const ft_font& ft) |
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changeset
|
1367 { |
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changeset
|
1368 if (&ft != this) |
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parents:
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diff
changeset
|
1369 { |
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parents:
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diff
changeset
|
1370 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
|
1371 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1372 if (face) |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1373 { |
22331
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1374 FT_Done_Face (face); |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23696
diff
changeset
|
1375 face = nullptr; |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1376 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1377 |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1378 #if defined (HAVE_FT_REFERENCE_FACE) |
22331
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1379 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
|
1380 |
22331
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1381 if (ft_face && FT_Reference_Face (ft_face) == 0) |
b81b08cc4c83
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1382 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
|
1383 #endif |
22331
b81b08cc4c83
maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1384 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1385 |
22331
b81b08cc4c83
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John W. Eaton <jwe@octave.org>
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22326
diff
changeset
|
1386 return *this; |
b81b08cc4c83
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1387 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1388 |
22331
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maint: Indent namespaces in more files.
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diff
changeset
|
1389 FT_Face |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
1390 ft_text_renderer::ft_font::get_face (void) const |
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maint: Indent namespaces in more files.
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changeset
|
1391 { |
b81b08cc4c83
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parents:
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diff
changeset
|
1392 if (! face && ! name.empty ()) |
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maint: Indent namespaces in more files.
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diff
changeset
|
1393 { |
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maint: Indent namespaces in more files.
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1394 face = ft_manager::get_font (name, weight, angle, size); |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1395 |
22331
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diff
changeset
|
1396 if (face) |
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diff
changeset
|
1397 { |
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parents:
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diff
changeset
|
1398 if (FT_Set_Char_Size (face, 0, size*64, 0, 0)) |
b81b08cc4c83
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changeset
|
1399 ::warning ("ft_text_renderer: unable to set font size to %g", size); |
b81b08cc4c83
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diff
changeset
|
1400 } |
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parents:
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diff
changeset
|
1401 else |
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diff
changeset
|
1402 ::warning ("ft_text_renderer: unable to load appropriate font"); |
b81b08cc4c83
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parents:
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changeset
|
1403 } |
17330
219552139c18
Allow to compile with older freetype on RHEL5 (bug #39823).
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17327
diff
changeset
|
1404 |
22331
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changeset
|
1405 return face; |
b81b08cc4c83
maint: Indent namespaces in more files.
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diff
changeset
|
1406 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1407 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1408 |
20945
9d9270e2f98f
eliminate comments after preprocessor conditionals
John W. Eaton <jwe@octave.org>
parents:
20715
diff
changeset
|
1409 #endif |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1410 |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1411 namespace octave |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1412 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1413 base_text_renderer * |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1414 make_ft_text_renderer (void) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1415 { |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1416 #if defined (HAVE_FREETYPE) |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
1417 return new ft_text_renderer (); |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1418 #else |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1419 return 0; |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1420 #endif |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
1421 } |
21209
67d2965af0b5
revamp text rendering classes
John W. Eaton <jwe@octave.org>
parents:
21200
diff
changeset
|
1422 } |