1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* Copyright © 2009 Red Hat, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Red Hat Author(s): Behdad Esfahbod
*/
#if !defined(HB_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR)
#error "Include <hb.h> instead."
#endif
#ifndef HB_FACE_H
#define HB_FACE_H
#include "hb-common.h"
#include "hb-blob.h"
#include "hb-set.h"
HB_BEGIN_DECLS
HB_EXTERN unsigned int
hb_face_count (hb_blob_t *blob);
/*
* hb_face_t
*/
/**
* hb_face_t:
*
* Data type for holding font faces.
*
**/
typedef struct hb_face_t hb_face_t;
HB_EXTERN hb_face_t *
hb_face_create (hb_blob_t *blob,
unsigned int index);
/**
* hb_reference_table_func_t:
* @face: an #hb_face_t to reference table for
* @tag: the tag of the table to reference
* @user_data: User data pointer passed by the caller
*
* Callback function for hb_face_create_for_tables().
*
* Return value: (transfer full): A pointer to the @tag table within @face
*
* Since: 0.9.2
*/
typedef hb_blob_t * (*hb_reference_table_func_t) (hb_face_t *face, hb_tag_t tag, void *user_data);
/* calls destroy() when not needing user_data anymore */
HB_EXTERN hb_face_t *
hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
void *user_data,
hb_destroy_func_t destroy);
HB_EXTERN hb_face_t *
hb_face_get_empty (void);
HB_EXTERN hb_face_t *
hb_face_reference (hb_face_t *face);
HB_EXTERN void
hb_face_destroy (hb_face_t *face);
HB_EXTERN hb_bool_t
hb_face_set_user_data (hb_face_t *face,
hb_user_data_key_t *key,
void * data,
hb_destroy_func_t destroy,
hb_bool_t replace);
HB_EXTERN void *
hb_face_get_user_data (const hb_face_t *face,
hb_user_data_key_t *key);
HB_EXTERN void
hb_face_make_immutable (hb_face_t *face);
HB_EXTERN hb_bool_t
hb_face_is_immutable (const hb_face_t *face);
HB_EXTERN hb_blob_t *
hb_face_reference_table (const hb_face_t *face,
hb_tag_t tag);
HB_EXTERN hb_blob_t *
hb_face_reference_blob (hb_face_t *face);
HB_EXTERN void
hb_face_set_index (hb_face_t *face,
unsigned int index);
HB_EXTERN unsigned int
hb_face_get_index (const hb_face_t *face);
HB_EXTERN void
hb_face_set_upem (hb_face_t *face,
unsigned int upem);
HB_EXTERN unsigned int
hb_face_get_upem (const hb_face_t *face);
HB_EXTERN void
hb_face_set_glyph_count (hb_face_t *face,
unsigned int glyph_count);
HB_EXTERN unsigned int
hb_face_get_glyph_count (const hb_face_t *face);
HB_EXTERN unsigned int
hb_face_get_table_tags (const hb_face_t *face,
unsigned int start_offset,
unsigned int *table_count, /* IN/OUT */
hb_tag_t *table_tags /* OUT */);
/*
* Character set.
*/
HB_EXTERN void
hb_face_collect_unicodes (hb_face_t *face,
hb_set_t *out);
HB_EXTERN void
hb_face_collect_variation_selectors (hb_face_t *face,
hb_set_t *out);
HB_EXTERN void
hb_face_collect_variation_unicodes (hb_face_t *face,
hb_codepoint_t variation_selector,
hb_set_t *out);
/*
* Builder face.
*/
HB_EXTERN hb_face_t *
hb_face_builder_create (void);
HB_EXTERN hb_bool_t
hb_face_builder_add_table (hb_face_t *face,
hb_tag_t tag,
hb_blob_t *blob);
HB_EXTERN void
hb_face_builder_sort_tables (hb_face_t *face,
const hb_tag_t *tags);
HB_END_DECLS
#endif /* HB_FACE_H */
|
