Github User Fetcher 1.0.0
C Application with Server and GUI
Loading...
Searching...
No Matches
hb-subset.h
Go to the documentation of this file.
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): Rod Sheeter
25 */
26
27#ifndef HB_SUBSET_H
28#define HB_SUBSET_H
29
30#include "hb.h"
31#include "hb-ot.h"
32
34
35/**
36 * hb_subset_input_t:
37 *
38 * Things that change based on the input. Characters to keep, etc.
39 */
40
42
43/**
44 * hb_subset_plan_t:
45 *
46 * Contains information about how the subset operation will be executed.
47 * Such as mappings from the old glyph ids to the new ones in the subset.
48 */
49
51
52/**
53 * hb_subset_flags_t:
54 * @HB_SUBSET_FLAGS_DEFAULT: all flags at their default value of false.
55 * @HB_SUBSET_FLAGS_NO_HINTING: If set hinting instructions will be dropped in
56 * the produced subset. Otherwise hinting instructions will be retained.
57 * @HB_SUBSET_FLAGS_RETAIN_GIDS: If set glyph indices will not be modified in
58 * the produced subset. If glyphs are dropped their indices will be retained
59 * as an empty glyph.
60 * @HB_SUBSET_FLAGS_DESUBROUTINIZE: If set and subsetting a CFF font the
61 * subsetter will attempt to remove subroutines from the CFF glyphs.
62 * @HB_SUBSET_FLAGS_NAME_LEGACY: If set non-unicode name records will be
63 * retained in the subset.
64 * @HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG: If set the subsetter will set the
65 * OVERLAP_SIMPLE flag on each simple glyph.
66 * @HB_SUBSET_FLAGS_PASSTHROUGH_UNRECOGNIZED: If set the subsetter will not
67 * drop unrecognized tables and instead pass them through untouched.
68 * @HB_SUBSET_FLAGS_NOTDEF_OUTLINE: If set the notdef glyph outline will be
69 * retained in the final subset.
70 * @HB_SUBSET_FLAGS_GLYPH_NAMES: If set the PS glyph names will be retained
71 * in the final subset.
72 * @HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES: If set then the unicode ranges in
73 * OS/2 will not be recalculated.
74 * @HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE: If set don't perform glyph closure on layout
75 * substitution rules (GSUB). Since: 7.2.0.
76 * @HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS: If set perform IUP delta optimization on the
77 * remaining gvar table's deltas. Since: 8.5.0
78 * @HB_SUBSET_FLAGS_IFTB_REQUIREMENTS: If set enforce requirements on the output subset
79 * to allow it to be used with incremental font transfer IFTB patches. Primarily,
80 * this forces all outline data to use long (32 bit) offsets. Since: EXPERIMENTAL
81 *
82 * List of boolean properties that can be configured on the subset input.
83 *
84 * Since: 2.9.0
85 **/
86typedef enum { /*< flags >*/
99#ifdef HB_EXPERIMENTAL_API
100 HB_SUBSET_FLAGS_IFTB_REQUIREMENTS = 0x00000800u,
101#endif
103
104/**
105 * hb_subset_sets_t:
106 * @HB_SUBSET_SETS_GLYPH_INDEX: the set of glyph indexes to retain in the subset.
107 * @HB_SUBSET_SETS_UNICODE: the set of unicode codepoints to retain in the subset.
108 * @HB_SUBSET_SETS_NO_SUBSET_TABLE_TAG: the set of table tags which specifies tables that should not be
109 * subsetted.
110 * @HB_SUBSET_SETS_DROP_TABLE_TAG: the set of table tags which specifies tables which will be dropped
111 * in the subset.
112 * @HB_SUBSET_SETS_NAME_ID: the set of name ids that will be retained.
113 * @HB_SUBSET_SETS_NAME_LANG_ID: the set of name lang ids that will be retained.
114 * @HB_SUBSET_SETS_LAYOUT_FEATURE_TAG: the set of layout feature tags that will be retained
115 * in the subset.
116 * @HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG: the set of layout script tags that will be retained
117 * in the subset. Defaults to all tags. Since: 5.0.0
118 *
119 * List of sets that can be configured on the subset input.
120 *
121 * Since: 2.9.1
122 **/
133
136
139
140HB_EXTERN void
142
146 void * data,
147 hb_destroy_func_t destroy,
148 hb_bool_t replace);
149
150HB_EXTERN void *
152 hb_user_data_key_t *key);
153
154HB_EXTERN void
156
159
162
165
168
171
172HB_EXTERN void
174 unsigned value);
175
178 hb_face_t *face);
179
182 hb_face_t *face,
183 hb_tag_t axis_tag);
184
187 hb_face_t *face,
188 hb_tag_t axis_tag,
189 float axis_value);
190
193 hb_tag_t axis_tag,
194 float *axis_min_value,
195 float *axis_max_value,
196 float *axis_def_value);
197
200 hb_face_t *face,
201 hb_tag_t axis_tag,
202 float axis_min_value,
203 float axis_max_value,
204 float axis_def_value);
205
206#ifdef HB_EXPERIMENTAL_API
208hb_subset_input_override_name_table (hb_subset_input_t *input,
209 hb_ot_name_id_t name_id,
210 unsigned platform_id,
211 unsigned encoding_id,
212 unsigned language_id,
213 const char *name_str,
214 int str_len);
215#endif
216
219
222
225
228 const hb_subset_input_t *input);
229
230HB_EXTERN void
232
235
238
241
242
245
249 void *data,
250 hb_destroy_func_t destroy,
251 hb_bool_t replace);
252
253HB_EXTERN void *
255 hb_user_data_key_t *key);
256
257
259
260#endif /* HB_SUBSET_H */
void(* hb_destroy_func_t)(void *user_data)
Definition hb-common.h:807
HB_BEGIN_DECLS typedef int hb_bool_t
Definition hb-common.h:94
#define HB_BEGIN_DECLS
Definition hb-common.h:45
uint32_t hb_tag_t
Definition hb-common.h:164
#define HB_END_DECLS
Definition hb-common.h:46
#define HB_EXTERN
Definition hb-common.h:37
struct hb_face_t hb_face_t
Definition hb-face.h:56
struct hb_map_t hb_map_t
Definition hb-map.h:55
unsigned int hb_ot_name_id_t
Definition hb-ot-name.h:115
struct hb_set_t hb_set_t
Definition hb-set.h:57
HB_EXTERN void * hb_subset_input_get_user_data(const hb_subset_input_t *input, hb_user_data_key_t *key)
HB_EXTERN hb_bool_t hb_subset_input_get_axis_range(hb_subset_input_t *input, hb_tag_t axis_tag, float *axis_min_value, float *axis_max_value, float *axis_def_value)
HB_EXTERN hb_subset_plan_t * hb_subset_plan_create_or_fail(hb_face_t *face, const hb_subset_input_t *input)
HB_EXTERN hb_bool_t hb_subset_input_set_axis_range(hb_subset_input_t *input, hb_face_t *face, hb_tag_t axis_tag, float axis_min_value, float axis_max_value, float axis_def_value)
HB_EXTERN hb_set_t * hb_subset_input_unicode_set(hb_subset_input_t *input)
HB_EXTERN void hb_subset_plan_destroy(hb_subset_plan_t *plan)
HB_EXTERN hb_subset_input_t * hb_subset_input_create_or_fail(void)
HB_EXTERN hb_map_t * hb_subset_plan_new_to_old_glyph_mapping(const hb_subset_plan_t *plan)
HB_EXTERN hb_map_t * hb_subset_input_old_to_new_glyph_mapping(hb_subset_input_t *input)
HB_EXTERN hb_face_t * hb_subset_plan_execute_or_fail(hb_subset_plan_t *plan)
HB_EXTERN hb_set_t * hb_subset_input_glyph_set(hb_subset_input_t *input)
struct hb_subset_plan_t hb_subset_plan_t
Definition hb-subset.h:50
HB_EXTERN void hb_subset_input_keep_everything(hb_subset_input_t *input)
HB_EXTERN hb_bool_t hb_subset_input_pin_axis_to_default(hb_subset_input_t *input, hb_face_t *face, hb_tag_t axis_tag)
HB_EXTERN hb_set_t * hb_subset_input_set(hb_subset_input_t *input, hb_subset_sets_t set_type)
HB_EXTERN hb_face_t * hb_subset_preprocess(hb_face_t *source)
HB_EXTERN void hb_subset_input_set_flags(hb_subset_input_t *input, unsigned value)
HB_EXTERN hb_subset_plan_t * hb_subset_plan_reference(hb_subset_plan_t *plan)
HB_EXTERN hb_bool_t hb_subset_input_set_user_data(hb_subset_input_t *input, hb_user_data_key_t *key, void *data, hb_destroy_func_t destroy, hb_bool_t replace)
HB_EXTERN void hb_subset_input_destroy(hb_subset_input_t *input)
hb_subset_flags_t
Definition hb-subset.h:86
@ HB_SUBSET_FLAGS_DEFAULT
Definition hb-subset.h:87
@ HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE
Definition hb-subset.h:97
@ HB_SUBSET_FLAGS_NO_HINTING
Definition hb-subset.h:88
@ HB_SUBSET_FLAGS_RETAIN_GIDS
Definition hb-subset.h:89
@ HB_SUBSET_FLAGS_GLYPH_NAMES
Definition hb-subset.h:95
@ HB_SUBSET_FLAGS_NAME_LEGACY
Definition hb-subset.h:91
@ HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES
Definition hb-subset.h:96
@ HB_SUBSET_FLAGS_NOTDEF_OUTLINE
Definition hb-subset.h:94
@ HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG
Definition hb-subset.h:92
@ HB_SUBSET_FLAGS_DESUBROUTINIZE
Definition hb-subset.h:90
@ HB_SUBSET_FLAGS_OPTIMIZE_IUP_DELTAS
Definition hb-subset.h:98
@ HB_SUBSET_FLAGS_PASSTHROUGH_UNRECOGNIZED
Definition hb-subset.h:93
typedefHB_BEGIN_DECLS struct hb_subset_input_t hb_subset_input_t
Definition hb-subset.h:41
hb_subset_sets_t
Definition hb-subset.h:123
@ HB_SUBSET_SETS_NO_SUBSET_TABLE_TAG
Definition hb-subset.h:126
@ HB_SUBSET_SETS_GLYPH_INDEX
Definition hb-subset.h:124
@ HB_SUBSET_SETS_NAME_ID
Definition hb-subset.h:128
@ HB_SUBSET_SETS_NAME_LANG_ID
Definition hb-subset.h:129
@ HB_SUBSET_SETS_DROP_TABLE_TAG
Definition hb-subset.h:127
@ HB_SUBSET_SETS_LAYOUT_FEATURE_TAG
Definition hb-subset.h:130
@ HB_SUBSET_SETS_UNICODE
Definition hb-subset.h:125
@ HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG
Definition hb-subset.h:131
HB_EXTERN hb_bool_t hb_subset_plan_set_user_data(hb_subset_plan_t *plan, hb_user_data_key_t *key, void *data, hb_destroy_func_t destroy, hb_bool_t replace)
HB_EXTERN hb_subset_flags_t hb_subset_input_get_flags(hb_subset_input_t *input)
HB_EXTERN hb_bool_t hb_subset_input_pin_all_axes_to_default(hb_subset_input_t *input, hb_face_t *face)
HB_EXTERN hb_map_t * hb_subset_plan_unicode_to_old_glyph_mapping(const hb_subset_plan_t *plan)
HB_EXTERN hb_face_t * hb_subset_or_fail(hb_face_t *source, const hb_subset_input_t *input)
HB_EXTERN hb_subset_input_t * hb_subset_input_reference(hb_subset_input_t *input)
HB_EXTERN hb_bool_t hb_subset_input_pin_axis_location(hb_subset_input_t *input, hb_face_t *face, hb_tag_t axis_tag, float axis_value)
HB_EXTERN void * hb_subset_plan_get_user_data(const hb_subset_plan_t *plan, hb_user_data_key_t *key)
HB_EXTERN hb_map_t * hb_subset_plan_old_to_new_glyph_mapping(const hb_subset_plan_t *plan)
int value
Definition lsqlite3.c:2155
static int str_len(lua_State *L)