Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/thirdparty/harfbuzz/src/hb-subset-input.hh @ 2:b50eed0cc0ef upstream

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
parents
children
comparison
equal deleted inserted replaced
1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * Copyright © 2018 Google, Inc.
3 *
4 * This is part of HarfBuzz, a text shaping library.
5 *
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
11 *
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16 * DAMAGE.
17 *
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23 *
24 * Google Author(s): Garret Rieger, Roderick Sheeter
25 */
26
27 #ifndef HB_SUBSET_INPUT_HH
28 #define HB_SUBSET_INPUT_HH
29
30
31 #include "hb.hh"
32
33 #include "hb-subset.h"
34 #include "hb-map.hh"
35 #include "hb-set.hh"
36
37 #include "hb-font.hh"
38
39 struct hb_ot_name_record_ids_t
40 {
41 hb_ot_name_record_ids_t () = default;
42 hb_ot_name_record_ids_t (unsigned platform_id_,
43 unsigned encoding_id_,
44 unsigned language_id_,
45 unsigned name_id_)
46 :platform_id (platform_id_),
47 encoding_id (encoding_id_),
48 language_id (language_id_),
49 name_id (name_id_) {}
50
51 bool operator != (const hb_ot_name_record_ids_t o) const
52 { return !(*this == o); }
53
54 inline bool operator == (const hb_ot_name_record_ids_t& o) const
55 {
56 return platform_id == o.platform_id &&
57 encoding_id == o.encoding_id &&
58 language_id == o.language_id &&
59 name_id == o.name_id;
60 }
61
62 inline uint32_t hash () const
63 {
64 uint32_t current = 0;
65 current = current * 31 + hb_hash (platform_id);
66 current = current * 31 + hb_hash (encoding_id);
67 current = current * 31 + hb_hash (language_id);
68 current = current * 31 + hb_hash (name_id);
69 return current;
70 }
71
72 unsigned platform_id;
73 unsigned encoding_id;
74 unsigned language_id;
75 unsigned name_id;
76 };
77
78 typedef struct hb_ot_name_record_ids_t hb_ot_name_record_ids_t;
79
80
81 HB_MARK_AS_FLAG_T (hb_subset_flags_t);
82
83 struct hb_subset_input_t
84 {
85 hb_object_header_t header;
86
87 struct sets_t {
88 hb_set_t *glyphs;
89 hb_set_t *unicodes;
90 hb_set_t *no_subset_tables;
91 hb_set_t *drop_tables;
92 hb_set_t *name_ids;
93 hb_set_t *name_languages;
94 hb_set_t *layout_features;
95 hb_set_t *layout_scripts;
96 };
97
98 union {
99 sets_t sets;
100 hb_set_t* set_ptrs[sizeof (sets_t) / sizeof (hb_set_t*)];
101 };
102
103 unsigned flags;
104 bool attach_accelerator_data = false;
105
106 // If set loca format will always be the long version.
107 bool force_long_loca = false;
108
109 hb_hashmap_t<hb_tag_t, float> *axes_location;
110 #ifdef HB_EXPERIMENTAL_API
111 hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides;
112 #endif
113
114 inline unsigned num_sets () const
115 {
116 return sizeof (set_ptrs) / sizeof (hb_set_t*);
117 }
118
119 inline hb_array_t<hb_set_t*> sets_iter ()
120 {
121 return hb_array_t<hb_set_t*> (set_ptrs, num_sets ());
122 }
123
124 bool in_error () const
125 {
126 for (unsigned i = 0; i < num_sets (); i++)
127 {
128 if (unlikely (set_ptrs[i]->in_error ()))
129 return true;
130 }
131
132 return axes_location->in_error ()
133 #ifdef HB_EXPERIMENTAL_API
134 || name_table_overrides->in_error ()
135 #endif
136 ;
137 }
138 };
139
140
141 #endif /* HB_SUBSET_INPUT_HH */