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[MSVC] Prevent duplicate symbol. * txt-eng-ft.cc: Include PermMatrix.h, only for MSVC.
author Michael Goffioul <michael.goffioul@gmail.com>
date Thu, 20 Oct 2011 12:54:32 +0100
parents d2b799e3178a
children e1f76bfe0452
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1 /*
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2
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3 Copyright (C) 2009-2011 Michael Goffioul
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #if HAVE_FREETYPE
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28
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29 #if HAVE_FONTCONFIG
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30 #include <fontconfig/fontconfig.h>
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31 #endif
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32
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33 #include <iostream>
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34
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35 #include "error.h"
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36 #include "pr-output.h"
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37 #include "txt-eng-ft.h"
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38
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39 // FIXME -- maybe issue at most one warning per glyph/font/size/weight
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40 // combination.
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41
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42 static void
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43 gripe_missing_glyph (char c)
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44 {
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45 warning_with_id ("Octave:missing-glyph",
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46 "ft_render: skipping missing glyph for character `%c'",
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47 c);
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48 }
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49
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50 static void
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51 gripe_glyph_render (char c)
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52 {
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53 warning_with_id ("Octave:glyph-render",
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54 "ft_render: unable to render glyph for character `%c'",
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55 c);
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56 }
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57
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58 #ifdef _MSC_VER
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59 // This is just a trick to avoid multiply symbols definition.
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60 // PermMatrix.h contains a dllexport'ed Array<octave_idx_type>
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61 // that will make MSVC not to generate new instantiation and
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62 // use the imported one.
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63 #include "PermMatrix.h"
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64 #endif
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65
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66 class
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67 ft_manager
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68 {
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69 public:
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70 static bool instance_ok (void)
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71 {
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72 bool retval = true;
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73
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74 if (! instance)
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75 instance = new ft_manager ();
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76
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77 if (! instance)
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78 {
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79 ::error ("unable to create ft_manager!");
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80
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81 retval = false;
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82 }
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83
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84 return retval;
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85 }
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86
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87 static FT_Face get_font (const std::string& name, const std::string& weight,
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88 const std::string& angle, double size)
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89 { return (instance_ok ()
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90 ? instance->do_get_font (name, weight, angle, size)
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91 : 0); }
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92
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93 private:
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94
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95 static ft_manager *instance;
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96
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97 private:
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98
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99 // No copying!
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100
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101 ft_manager (const ft_manager&);
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102
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103 ft_manager& operator = (const ft_manager&);
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104
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105 ft_manager (void) : library ()
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106 #if HAVE_FONTCONFIG
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107 , fc_init_done (false)
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108 #endif
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109 {
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110 if (FT_Init_FreeType (&library))
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111 {
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112 ::error ("unable to initialize freetype library");
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113 }
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114
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115 #if HAVE_FONTCONFIG
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116 fc_init_done = false;
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117 if (! FcInit ())
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118 {
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119 ::error ("unable to initialize fontconfig library");
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120 }
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121 else
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122 {
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123 fc_init_done = true;
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124 }
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125 #endif
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126 }
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127
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128 ~ft_manager (void)
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129 {
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130 #if HAVE_FONTCONFIG
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131 FcFini ();
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132 fc_init_done = false;
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133 #endif
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134 }
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135
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136 FT_Face do_get_font (const std::string& name, const std::string& weight,
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137 const std::string& angle, double size)
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138 {
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139 FT_Face retval = 0;
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140
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141 std::string file;
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142
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143 #if HAVE_FONTCONFIG
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144 if (fc_init_done)
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145 {
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146 int fc_weight, fc_angle;
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147
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148 if (weight == "bold")
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149 fc_weight = FC_WEIGHT_BOLD;
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150 else if (weight == "light")
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151 fc_weight = FC_WEIGHT_LIGHT;
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152 else if (weight == "demi")
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153 fc_weight = FC_WEIGHT_DEMIBOLD;
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154 else
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155 fc_weight = FC_WEIGHT_NORMAL;
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156
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157 if (angle == "italic")
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158 fc_angle = FC_SLANT_ITALIC;
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159 else if (angle == "oblique")
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160 fc_angle = FC_SLANT_OBLIQUE;
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161 else
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162 fc_angle = FC_SLANT_ROMAN;
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163
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164 FcPattern *pat = FcPatternCreate ();
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165
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166 FcPatternAddString (pat, FC_FAMILY,
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167 (reinterpret_cast<const FcChar8*>
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168 (name == "*" ? "sans" : name.c_str ())));
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169
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170 FcPatternAddInteger (pat, FC_WEIGHT, fc_weight);
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171 FcPatternAddInteger (pat, FC_SLANT, fc_angle);
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172 FcPatternAddDouble (pat, FC_PIXEL_SIZE, size);
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173
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174 if (FcConfigSubstitute (0, pat, FcMatchPattern))
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175 {
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176 FcResult res;
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177 FcPattern *match;
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178
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179 FcDefaultSubstitute (pat);
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180 match = FcFontMatch (0, pat, &res);
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181
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182 // FIXME -- originally, this test also required that
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183 // res != FcResultNoMatch. Is that really needed?
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184 if (match)
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185 {
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186 unsigned char *tmp;
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187
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188 FcPatternGetString (match, FC_FILE, 0, &tmp);
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189 file = reinterpret_cast<char*> (tmp);
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190 }
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191 else
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192 ::warning ("could not match any font: %s-%s-%s-%g",
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193 name.c_str (), weight.c_str (), angle.c_str (),
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194 size);
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195
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196 if (match)
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197 FcPatternDestroy (match);
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198 }
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199
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200 FcPatternDestroy (pat);
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201 }
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202 #endif
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203
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204 if (file.empty ())
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205 {
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206 #ifdef __WIN32__
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207 file = "C:/WINDOWS/Fonts/verdana.ttf";
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208 #else
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209 // FIXME: find a "standard" font for UNIX platforms
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210 #endif
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211 }
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212
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213 if (! file.empty () && FT_New_Face (library, file.c_str (), 0, &retval))
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214 ::warning ("ft_manager: unable to load font: %s", file.c_str ());
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12df7854fa7c strip trailing whitespace from source files
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diff changeset
215
9403
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216 return retval;
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217 }
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218
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219 private:
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220 FT_Library library;
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221 #if HAVE_FONTCONFIG
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222 bool fc_init_done;
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223 #endif
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224 };
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225
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226 ft_manager* ft_manager::instance = 0;
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227
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228 // ---------------------------------------------------------------------------
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229
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diff changeset
230 ft_render::ft_render (void)
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231 : text_processor (), face (0), bbox (1, 4, 0.0),
13141
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diff changeset
232 xoffset (0), yoffset (0), multiline_halign (0),
12969
6fc2c61660f2 Native multi-line text alignment.
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parents: 12965
diff changeset
233 multiline_align_xoffsets(), mode (MODE_BBOX),
9403
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234 red (0), green (0), blue (0)
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diff changeset
235 {
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diff changeset
236 }
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diff changeset
237
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diff changeset
238 ft_render::~ft_render (void)
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diff changeset
239 {
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240 if (face)
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241 FT_Done_Face (face);
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242 }
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243
4af6e29449c1 [mq]: graphics_text_engine
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diff changeset
244 void
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diff changeset
245 ft_render::set_font (const std::string& name, const std::string& weight,
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diff changeset
246 const std::string& angle, double size)
9403
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247 {
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248 if (face)
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249 FT_Done_Face (face);
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250
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251 // FIXME: take "fontunits" into account
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diff changeset
252 face = ft_manager::get_font (name, weight, angle, size);
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253
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diff changeset
254 if (face)
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diff changeset
255 {
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diff changeset
256 if (FT_Set_Char_Size (face, 0, size*64, 0, 0))
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diff changeset
257 ::warning ("ft_render: unable to set font size to %d", size);
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258 }
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diff changeset
259 else
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260 ::warning ("ft_render: unable to load appropriate font");
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261 }
4af6e29449c1 [mq]: graphics_text_engine
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parents:
diff changeset
262
4af6e29449c1 [mq]: graphics_text_engine
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diff changeset
263 void
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parents:
diff changeset
264 ft_render::set_mode (int m)
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diff changeset
265 {
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diff changeset
266 mode = m;
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diff changeset
267
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diff changeset
268 switch (mode)
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diff changeset
269 {
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diff changeset
270 case MODE_BBOX:
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271 xoffset = yoffset = 0;
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272 bbox = Matrix (1, 4, 0.0);
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diff changeset
273 break;
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diff changeset
274 case MODE_RENDER:
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diff changeset
275 if (bbox.numel () != 4)
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276 {
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277 ::warning ("ft_render: invalid bounding box, cannot render");
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diff changeset
278
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279 xoffset = yoffset = 0;
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280 pixels = uint8NDArray ();
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281 }
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282 else
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283 {
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284 pixels = uint8NDArray (dim_vector (4, bbox(2), bbox(3)),
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diff changeset
285 static_cast<uint8_t> (0));
57a59eae83cc untabify src C++ source files
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diff changeset
286 xoffset = 0;
57a59eae83cc untabify src C++ source files
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diff changeset
287 yoffset = -bbox(1)-1;
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parents: 9833
diff changeset
288 }
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
289 break;
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
290 default:
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
291 ::error ("ft_render: invalid mode `%d'", mode);
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
292 break;
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
293 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
294 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
295
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
296 void
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
297 ft_render::visit (text_element_string& e)
4af6e29449c1 [mq]: graphics_text_engine
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parents:
diff changeset
298 {
9616
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diff changeset
299 if (face)
9403
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parents:
diff changeset
300 {
12969
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diff changeset
301 int line_index = 0;
12965
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Ben Abbott <bpabbott@mac.com>
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diff changeset
302 FT_UInt box_line_width = 0;
9616
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diff changeset
303 std::string str = e.string_value ();
2093499ec9f4 avoid crash if default font can't be found
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diff changeset
304 FT_UInt glyph_index, previous = 0;
9403
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parents:
diff changeset
305
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parents: 12965
diff changeset
306 if (mode == MODE_BBOX)
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
307 multiline_align_xoffsets.clear();
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
308 else if (mode == MODE_RENDER)
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Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
309 xoffset += multiline_align_xoffsets[line_index];
6fc2c61660f2 Native multi-line text alignment.
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diff changeset
310
10553
f88e3d5d88e2 avoid GCC warnings
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parents: 10402
diff changeset
311 for (size_t i = 0; i < str.length (); i++)
10315
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diff changeset
312 {
57a59eae83cc untabify src C++ source files
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diff changeset
313 glyph_index = FT_Get_Char_Index (face, str[i]);
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diff changeset
314
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John W. Eaton <jwe@octave.org>
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diff changeset
315 if (str[i] != '\n'
12965
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Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
316 && (! glyph_index
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Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
317 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT)))
13317
d2b799e3178a allow warnings about missing glyphs to be disabled
John W. Eaton <jwe@octave.org>
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diff changeset
318 gripe_missing_glyph (str[i]);
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319 else
57a59eae83cc untabify src C++ source files
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diff changeset
320 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
321 switch (mode)
57a59eae83cc untabify src C++ source files
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parents: 9833
diff changeset
322 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
323 case MODE_RENDER:
12965
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Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
324 if (str[i] == '\n')
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
325 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
326 glyph_index = FT_Get_Char_Index(face, ' ');
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
327 if (!glyph_index || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
328 {
13317
d2b799e3178a allow warnings about missing glyphs to be disabled
John W. Eaton <jwe@octave.org>
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diff changeset
329 gripe_missing_glyph (' ');
13141
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John W. Eaton <jwe@octave.org>
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diff changeset
330 }
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
331 else
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
332 {
12969
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Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
333 line_index++;
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
334 xoffset = multiline_align_xoffsets[line_index];
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
335 yoffset -= (face->size->metrics.height >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
336 }
13317
d2b799e3178a allow warnings about missing glyphs to be disabled
John W. Eaton <jwe@octave.org>
parents: 13141
diff changeset
337 }
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
338 else if (FT_Render_Glyph (face->glyph, FT_RENDER_MODE_NORMAL))
13317
d2b799e3178a allow warnings about missing glyphs to be disabled
John W. Eaton <jwe@octave.org>
parents: 13141
diff changeset
339 {
d2b799e3178a allow warnings about missing glyphs to be disabled
John W. Eaton <jwe@octave.org>
parents: 13141
diff changeset
340 gripe_glyph_render (str[i]);
d2b799e3178a allow warnings about missing glyphs to be disabled
John W. Eaton <jwe@octave.org>
parents: 13141
diff changeset
341 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
342 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
343 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff changeset
344 FT_Bitmap& bitmap = face->glyph->bitmap;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff changeset
345 int x0, y0;
9616
2093499ec9f4 avoid crash if default font can't be found
John W. Eaton <jwe@octave.org>
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diff changeset
346
10315
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John W. Eaton <jwe@octave.org>
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diff changeset
347 if (previous)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
348 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
349 FT_Vector delta;
9616
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parents: 9406
diff changeset
350
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diff changeset
351 FT_Get_Kerning (face, previous, glyph_index, FT_KERNING_DEFAULT, &delta);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
352 xoffset += (delta.x >> 6);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
353 }
9403
4af6e29449c1 [mq]: graphics_text_engine
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parents:
diff changeset
354
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
355 x0 = xoffset+face->glyph->bitmap_left;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
356 y0 = yoffset+face->glyph->bitmap_top;
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
357
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
358 // 'w' seems to have a negative -1
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
359 // face->glyph->bitmap_left, this is so we don't
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
360 // index out of bound, and assumes we we allocated
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
361 // the right amount of horizontal space in the bbox.
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
362 if (x0 < 0)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
363 x0 = 0;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
364
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
365 for (int r = 0; r < bitmap.rows; r++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
366 for (int c = 0; c < bitmap.width; c++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
367 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
368 unsigned char pix = bitmap.buffer[r*bitmap.width+c];
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
369 if (x0+c < 0 || x0+c >= pixels.dim2()
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
370 || y0-r < 0 || y0-r >= pixels.dim3())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
371 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
372 //::error ("out-of-bound indexing!!");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
373 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
374 else if (pixels(3, x0+c, y0-r).value () == 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
375 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
376 pixels(0, x0+c, y0-r) = red;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
377 pixels(1, x0+c, y0-r) = green;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
378 pixels(2, x0+c, y0-r) = blue;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
379 pixels(3, x0+c, y0-r) = pix;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
380 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
381 }
9616
2093499ec9f4 avoid crash if default font can't be found
John W. Eaton <jwe@octave.org>
parents: 9406
diff changeset
382
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
383 xoffset += (face->glyph->advance.x >> 6);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
384 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
385 break;
9616
2093499ec9f4 avoid crash if default font can't be found
John W. Eaton <jwe@octave.org>
parents: 9406
diff changeset
386
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
387 case MODE_BBOX:
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
388 if (str[i] == '\n')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
389 {
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
390 glyph_index = FT_Get_Char_Index(face, ' ');
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
391 if (! glyph_index
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
392 || FT_Load_Glyph (face, glyph_index, FT_LOAD_DEFAULT))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
393 {
13317
d2b799e3178a allow warnings about missing glyphs to be disabled
John W. Eaton <jwe@octave.org>
parents: 13141
diff changeset
394 gripe_missing_glyph (' ');
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
395 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
396 else
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
397 {
12969
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
398 multiline_align_xoffsets.push_back(box_line_width);
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
399 // Reset the pixel width for this newline, so we don't
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
400 // allocate a bounding box larger than the horizontal
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
401 // width of the multi-line
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
402 box_line_width = 0;
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
403 bbox(1) -= (face->size->metrics.height >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
404 }
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
405 }
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
406 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
407 {
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
408 // width
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
409 if (previous)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
410 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
411 FT_Vector delta;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
412
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
413 FT_Get_Kerning (face, previous, glyph_index,
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
414 FT_KERNING_DEFAULT, &delta);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
415
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
416 box_line_width += (delta.x >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
417 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
418
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
419 box_line_width += (face->glyph->advance.x >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
420
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
421 int asc, desc;
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
422
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
423 if (false /*tight*/)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
424 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
425 desc = face->glyph->metrics.horiBearingY - face->glyph->metrics.height;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
426 asc = face->glyph->metrics.horiBearingY;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
427 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
428 else
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
429 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
430 asc = face->size->metrics.ascender;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
431 desc = face->size->metrics.descender;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
432 }
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
433
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
434 asc = yoffset + (asc >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
435 desc = yoffset + (desc >> 6);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
436
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
437 if (desc < bbox(1))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
438 {
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
439 bbox(3) += (bbox(1) - desc);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
440 bbox(1) = desc;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
441 }
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
442 if (asc > (bbox(3)+bbox(1)))
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
443 bbox(3) = asc-bbox(1);
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
444 if (bbox(2) < box_line_width)
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
445 bbox(2) = box_line_width;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
446 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
447 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
448 }
12965
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
449 if (str[i] == '\n')
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
450 previous = 0;
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
451 else
22bc9ec80c2c allow multi-line string property for text objects using cell arrays or char matrices
Ben Abbott <bpabbott@mac.com>
parents: 12334
diff changeset
452 previous = glyph_index;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
453 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
454 }
12969
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
455 if (mode == MODE_BBOX)
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
456 {
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
457 /* Push last the width associated with the last line */
12969
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
458 multiline_align_xoffsets.push_back(box_line_width);
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
459
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
460 for (unsigned int i = 0; i < multiline_align_xoffsets.size(); i++)
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
461 {
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
462 /* Center align */
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
463 if (multiline_halign == 1)
12969
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
464 multiline_align_xoffsets[i] = (bbox(2) - multiline_align_xoffsets[i])/2;
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
465 /* Right align */
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
466 else if (multiline_halign == 2)
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
467 multiline_align_xoffsets[i] = (bbox(2) - multiline_align_xoffsets[i]);
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
468 /* Left align */
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
469 else
12969
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
470 multiline_align_xoffsets[i] = 0;
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
471 }
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
472 }
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
473 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
474 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
475
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
476 void
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
477 ft_render::reset (void)
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
478 {
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
479 set_mode (MODE_BBOX);
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
480 set_color (Matrix (1, 3, 0.0));
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
481 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
482
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
483 void
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
484 ft_render::set_color (Matrix c)
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
485 {
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
486 if (c.numel () == 3)
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
487 {
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
488 red = static_cast<uint8_t> (c(0)*255);
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
489 green = static_cast<uint8_t> (c(1)*255);
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
490 blue = static_cast<uint8_t> (c(2)*255);
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
491 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
492 else
9616
2093499ec9f4 avoid crash if default font can't be found
John W. Eaton <jwe@octave.org>
parents: 9406
diff changeset
493 ::warning ("ft_render::set_color: invalid color");
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
494 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
495
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
496 uint8NDArray
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
497 ft_render::render (text_element* elt, Matrix& box, int rotation)
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
498 {
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
499 set_mode (MODE_BBOX);
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
500 elt->accept (*this);
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
501 box = bbox;
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
502
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
503 set_mode (MODE_RENDER);
9406
c0c23dbbade7 Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9405
diff changeset
504 if (pixels.numel () > 0)
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
505 {
9406
c0c23dbbade7 Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9405
diff changeset
506 elt->accept (*this);
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
507
9406
c0c23dbbade7 Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9405
diff changeset
508 switch (rotation)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
509 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
510 case ROTATION_0:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
511 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
512 case ROTATION_90:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
513 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
514 Array<octave_idx_type> perm (dim_vector (3, 1));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
515 perm(0) = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
516 perm(1) = 2;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
517 perm(2) = 1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
518 pixels = pixels.permute (perm);
9406
c0c23dbbade7 Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9405
diff changeset
519
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
520 Array<idx_vector> idx (dim_vector (3, 1));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
521 idx(0) = idx_vector (':');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
522 idx(1) = idx_vector (pixels.dim2()-1, -1, -1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
523 idx(2) = idx_vector (':');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
524 pixels = uint8NDArray (pixels.index (idx));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
525 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
526 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
527 case ROTATION_180:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
528 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
529 Array<idx_vector> idx (dim_vector (3, 1));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
530 idx(0) = idx_vector (':');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
531 idx(1) = idx_vector (pixels.dim2()-1, -1, -1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
532 idx(2)= idx_vector (pixels.dim3()-1, -1, -1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
533 pixels = uint8NDArray (pixels.index (idx));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
534 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
535 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
536 case ROTATION_270:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
537 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
538 Array<octave_idx_type> perm (dim_vector (3, 1));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
539 perm(0) = 0;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
540 perm(1) = 2;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
541 perm(2) = 1;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
542 pixels = pixels.permute (perm);
9406
c0c23dbbade7 Improve error handling in text rendering.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 9405
diff changeset
543
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
544 Array<idx_vector> idx (dim_vector (3, 1));
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
545 idx(0) = idx_vector (':');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
546 idx(1) = idx_vector (':');
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
547 idx(2) = idx_vector (pixels.dim3()-1, -1, -1);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
548 pixels = uint8NDArray (pixels.index (idx));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
549 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
550 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9833
diff changeset
551 }
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
552 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
553
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
554 return pixels;
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
555 }
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
556
10402
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
557 Matrix
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
558 ft_render::get_extent (text_element *elt, double rotation)
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
559 {
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
560 set_mode (MODE_BBOX);
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
561 elt->accept (*this);
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
562
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
563 Matrix extent (1, 2, 0.0);
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
564
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
565 switch (rotation_to_mode (rotation))
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
566 {
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
567 case ROTATION_0:
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
568 case ROTATION_180:
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
569 extent(0) = bbox(2);
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
570 extent(1) = bbox(3);
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
571 break;
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
572 case ROTATION_90:
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
573 case ROTATION_270:
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
574 extent(0) = bbox(3);
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
575 extent(1) = bbox(2);
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
576 }
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
577
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
578 return extent;
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
579 }
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
580
12334
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
581 Matrix
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
582 ft_render::get_extent (const std::string& txt, double rotation)
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
583 {
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
584 text_element *elt = text_parser_none ().parse (txt);
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
585 Matrix extent = get_extent (elt, rotation);
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
586 delete elt;
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
587
12334
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
588 return extent;
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
589 }
63dc132a1000 Move axes labels and title positioning to axes::properties
Konstantinos Poulios <logari81@gmail.com>
parents: 12225
diff changeset
590
10402
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
591 int
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
592 ft_render::rotation_to_mode (double rotation) const
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
593 {
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
594 if (rotation == 0.0)
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
595 return ROTATION_0;
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
596 else if (rotation == 90.0)
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
597 return ROTATION_90;
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
598 else if (rotation == 180.0)
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
599 return ROTATION_180;
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
600 else if (rotation == 270.0)
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
601 return ROTATION_270;
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
602 else
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
603 return ROTATION_0;
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
604 }
9f2bf537a651 Implement text extent property
Michael Goffioul <michael.goffioul@gmail.com>
parents: 10350
diff changeset
605
11455
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
606 void
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
607 ft_render::text_to_pixels (const std::string& txt,
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
608 uint8NDArray& pixels_, Matrix& box,
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
609 int halign, int valign, double rotation)
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
610 {
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
611 // FIXME: clip "rotation" between 0 and 360
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
612 int rot_mode = rotation_to_mode (rotation);
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12969
diff changeset
613
12969
6fc2c61660f2 Native multi-line text alignment.
Vanya Sergeev <vsergeev@gmail.com>
parents: 12965
diff changeset
614 multiline_halign = halign;
11455
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
615
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
616 text_element *elt = text_parser_none ().parse (txt);
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
617 pixels_ = render (elt, box, rot_mode);
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
618 delete elt;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
619
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
620 if (pixels_.numel () == 0)
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
621 {
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
622 // nothing to render
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
623 return;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
624 }
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
625
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
626 switch (halign)
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
627 {
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
628 default: box(0) = 0; break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
629 case 1: box(0) = -box(2)/2; break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
630 case 2: box(0) = -box(2); break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
631 }
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
632 switch (valign)
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
633 {
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
634 default: box(1) = 0; break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
635 case 1: box(1) = -box(3)/2; break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
636 case 2: box(1) = -box(3); break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
637 case 3: break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
638 }
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
639
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
640 switch (rot_mode)
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
641 {
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
642 case ROTATION_90:
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
643 std::swap (box(0), box(1));
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
644 std::swap (box(2), box(3));
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
645 box(0) = -box(0)-box(2);
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
646 break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
647 case ROTATION_180:
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
648 box(0) = -box(0)-box(2);
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
649 box(1) = -box(1)-box(3);
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
650 break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
651 case ROTATION_270:
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
652 std::swap (box(0), box(1));
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
653 std::swap (box(2), box(3));
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
654 box(1) = -box(1)-box(3);
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
655 break;
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
656 }
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
657 }
2be9e22796d2 improvements in text-extent calculation
Konstantinos Poulios <logari81@googlemail.com>
parents: 10553
diff changeset
658
9403
4af6e29449c1 [mq]: graphics_text_engine
Michael Goffioul <michael.goffioul@gmail.com>
parents:
diff changeset
659 #endif // HAVE_FREETYPE