Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/hb-subset-input.hh @ 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
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1 /*
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2 * Copyright © 2018 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): Garret Rieger, Roderick Sheeter
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25 */
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26
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27 #ifndef HB_SUBSET_INPUT_HH
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28 #define HB_SUBSET_INPUT_HH
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31 #include "hb.hh"
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32
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33 #include "hb-subset.h"
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34 #include "hb-map.hh"
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35 #include "hb-set.hh"
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36
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37 #include "hb-font.hh"
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38
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39 struct hb_ot_name_record_ids_t
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40 {
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41 hb_ot_name_record_ids_t () = default;
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42 hb_ot_name_record_ids_t (unsigned platform_id_,
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43 unsigned encoding_id_,
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44 unsigned language_id_,
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45 unsigned name_id_)
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46 :platform_id (platform_id_),
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47 encoding_id (encoding_id_),
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48 language_id (language_id_),
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49 name_id (name_id_) {}
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50
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51 bool operator != (const hb_ot_name_record_ids_t o) const
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52 { return !(*this == o); }
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53
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54 inline bool operator == (const hb_ot_name_record_ids_t& o) const
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55 {
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56 return platform_id == o.platform_id &&
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57 encoding_id == o.encoding_id &&
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58 language_id == o.language_id &&
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59 name_id == o.name_id;
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60 }
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61
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62 inline uint32_t hash () const
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63 {
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64 uint32_t current = 0;
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65 current = current * 31 + hb_hash (platform_id);
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66 current = current * 31 + hb_hash (encoding_id);
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67 current = current * 31 + hb_hash (language_id);
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68 current = current * 31 + hb_hash (name_id);
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69 return current;
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70 }
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71
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72 unsigned platform_id;
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73 unsigned encoding_id;
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74 unsigned language_id;
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75 unsigned name_id;
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76 };
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77
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78 typedef struct hb_ot_name_record_ids_t hb_ot_name_record_ids_t;
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79
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80
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81 HB_MARK_AS_FLAG_T (hb_subset_flags_t);
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82
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83 struct hb_subset_input_t
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84 {
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85 hb_object_header_t header;
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86
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87 struct sets_t {
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88 hb_set_t *glyphs;
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89 hb_set_t *unicodes;
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90 hb_set_t *no_subset_tables;
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91 hb_set_t *drop_tables;
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92 hb_set_t *name_ids;
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93 hb_set_t *name_languages;
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94 hb_set_t *layout_features;
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95 hb_set_t *layout_scripts;
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96 };
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97
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98 union {
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99 sets_t sets;
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100 hb_set_t* set_ptrs[sizeof (sets_t) / sizeof (hb_set_t*)];
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101 };
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102
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103 unsigned flags;
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104 bool attach_accelerator_data = false;
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105
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106 // If set loca format will always be the long version.
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107 bool force_long_loca = false;
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108
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109 hb_hashmap_t<hb_tag_t, float> *axes_location;
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110 #ifdef HB_EXPERIMENTAL_API
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111 hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides;
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112 #endif
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113
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114 inline unsigned num_sets () const
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115 {
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116 return sizeof (set_ptrs) / sizeof (hb_set_t*);
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117 }
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118
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119 inline hb_array_t<hb_set_t*> sets_iter ()
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120 {
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121 return hb_array_t<hb_set_t*> (set_ptrs, num_sets ());
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122 }
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123
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124 bool in_error () const
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125 {
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126 for (unsigned i = 0; i < num_sets (); i++)
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127 {
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128 if (unlikely (set_ptrs[i]->in_error ()))
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129 return true;
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130 }
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131
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132 return axes_location->in_error ()
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133 #ifdef HB_EXPERIMENTAL_API
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134 || name_table_overrides->in_error ()
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135 #endif
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136 ;
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137 }
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138 };
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139
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140
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141 #endif /* HB_SUBSET_INPUT_HH */