Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/util/face-options.hh @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
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1 /*
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2 * Copyright © 2011 Google, Inc.
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3 *
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4 * This is part of HarfBuzz, a text shaping library.
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5 *
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6 * Permission is hereby granted, without written agreement and without
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7 * license or royalty fees, to use, copy, modify, and distribute this
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8 * software and its documentation for any purpose, provided that the
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9 * above copyright notice and the following two paragraphs appear in
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10 * all copies of this software.
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11 *
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12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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16 * DAMAGE.
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17 *
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18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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23 *
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24 * Google Author(s): Behdad Esfahbod
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25 */
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27 #ifndef FACE_OPTIONS_HH
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28 #define FACE_OPTIONS_HH
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30 #include "options.hh"
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32 struct face_options_t
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33 {
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34 ~face_options_t ()
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35 {
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36 g_free (font_file);
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37 }
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39 void set_face (hb_face_t *face_)
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40 { face = face_; }
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42 void add_options (option_parser_t *parser);
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44 void post_parse (GError **error);
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46 static struct cache_t
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47 {
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48 ~cache_t ()
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49 {
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50 g_free (font_path);
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51 hb_blob_destroy (blob);
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52 hb_face_destroy (face);
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53 }
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55 char *font_path = nullptr;
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56 hb_blob_t *blob = nullptr;
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57 unsigned face_index = (unsigned) -1;
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58 hb_face_t *face = nullptr;
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59 } cache;
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61 char *font_file = nullptr;
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62 unsigned face_index = 0;
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64 hb_blob_t *blob = nullptr;
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65 hb_face_t *face = nullptr;
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66 };
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69 face_options_t::cache_t face_options_t::cache {};
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71 void
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72 face_options_t::post_parse (GError **error)
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73 {
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74 if (!font_file)
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75 {
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76 g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
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77 "No font file set");
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78 return;
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79 }
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81 assert (font_file);
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83 const char *font_path = font_file;
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84
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85 if (0 == strcmp (font_path, "-"))
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86 {
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87 #if defined(_WIN32) || defined(__CYGWIN__)
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88 setmode (fileno (stdin), O_BINARY);
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89 font_path = "STDIN";
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90 #else
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91 font_path = "/dev/stdin";
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92 #endif
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93 }
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95 if (!cache.font_path || 0 != strcmp (cache.font_path, font_path))
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96 {
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97 hb_blob_destroy (cache.blob);
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98 cache.blob = hb_blob_create_from_file_or_fail (font_path);
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100 free ((char *) cache.font_path);
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101 cache.font_path = g_strdup (font_path);
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102
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103 if (!cache.blob)
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104 {
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105 g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
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106 "%s: Failed reading file", font_path);
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107 return;
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108 }
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109
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110 hb_face_destroy (cache.face);
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111 cache.face = nullptr;
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112 cache.face_index = (unsigned) -1;
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113 }
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114
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115 if (cache.face_index != face_index)
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116 {
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117 hb_face_destroy (cache.face);
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118 cache.face = hb_face_create (cache.blob, face_index);
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119 cache.face_index = face_index;
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120 }
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121
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122 blob = cache.blob;
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123 face = cache.face;
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124 }
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125
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126 void
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127 face_options_t::add_options (option_parser_t *parser)
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128 {
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129 GOptionEntry entries[] =
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130 {
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131 {"font-file", 0, 0, G_OPTION_ARG_STRING, &this->font_file, "Set font file-name", "filename"},
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132 {"face-index", 0, 0, G_OPTION_ARG_INT, &this->face_index, "Set face index (default: 0)", "index"},
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133 {nullptr}
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134 };
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135 parser->add_group (entries,
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136 "face",
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137 "Font-face options:",
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138 "Options for the font face",
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139 this);
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140 }
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141
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142 #endif