Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/util/hb-ot-shape-closure.cc @ 46:7ee69f120f19 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 /*
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2 * Copyright © 2012 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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26
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27 #include "batch.hh"
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28 #include "font-options.hh"
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29 #include "main-font-text.hh"
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30 #include "shape-options.hh"
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31 #include "text-options.hh"
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32
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33 const unsigned DEFAULT_FONT_SIZE = FONT_SIZE_NONE;
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34 const unsigned SUBPIXEL_BITS = 0;
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35
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36 struct shape_closure_consumer_t
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37 {
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38 void add_options (struct option_parser_t *parser)
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39 {
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40 parser->set_summary ("Find glyph set from input text under shaping closure.");
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41 shaper.add_options (parser);
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42
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43 GOptionEntry entries[] =
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44 {
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45 {"no-glyph-names", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_glyph_names, "Use glyph indices instead of names", nullptr},
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46 {nullptr}
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47 };
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48 parser->add_group (entries,
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49 "format",
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50 "Format options:",
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51 "Options controlling output formatting",
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52 this);
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53 }
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54
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55 void init (const font_options_t *font_opts)
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56 {
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57 glyphs = hb_set_create ();
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58 font = hb_font_reference (font_opts->font);
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59 failed = false;
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60 buffer = hb_buffer_create ();
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61 }
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62 template <typename text_options_type>
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63 bool consume_line (text_options_type &text_opts)
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64 {
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65 unsigned int text_len;
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66 const char *text;
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67 if (!(text = text_opts.get_line (&text_len)))
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68 return false;
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69
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70 hb_set_clear (glyphs);
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71 shaper.shape_closure (text, text_len, font, buffer, glyphs);
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72
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73 if (hb_set_is_empty (glyphs))
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74 return true;
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75
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76 /* Print it out! */
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77 bool first = true;
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78 for (hb_codepoint_t i = -1; hb_set_next (glyphs, &i);)
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79 {
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80 if (first)
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81 first = false;
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82 else
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83 printf (" ");
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84 if (show_glyph_names)
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85 {
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86 char glyph_name[64];
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87 hb_font_glyph_to_string (font, i, glyph_name, sizeof (glyph_name));
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88 printf ("%s", glyph_name);
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89 } else
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90 printf ("%u", i);
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91 }
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92
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93 return true;
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94 }
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95 void finish (const font_options_t *font_opts)
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96 {
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97 printf ("\n");
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98 hb_font_destroy (font);
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99 font = nullptr;
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100 hb_set_destroy (glyphs);
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101 glyphs = nullptr;
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102 hb_buffer_destroy (buffer);
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103 buffer = nullptr;
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104 }
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105
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106 bool failed;
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107
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108 protected:
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109 shape_options_t shaper;
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110 hb_bool_t show_glyph_names = true;
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111
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112 hb_set_t *glyphs = nullptr;
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113 hb_font_t *font = nullptr;
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114 hb_buffer_t *buffer = nullptr;
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115 };
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116
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117 int
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118 main (int argc, char **argv)
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119 {
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120 using main_t = main_font_text_t<shape_closure_consumer_t, font_options_t, text_options_t>;
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121 return batch_main<main_t> (argc, argv);
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122 }