1/*
2 * Copyright © 2009 Red Hat, 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 * Red Hat Author(s): Behdad Esfahbod
25 */
26
27#ifndef HB_H_IN
28#error "Include <hb.h> instead."
29#endif
30
31#ifndef HB_FACE_H
32#define HB_FACE_H
33
34#include "hb-common.h"
35#include "hb-blob.h"
36
37HB_BEGIN_DECLS
38
39
40/*
41 * hb_face_t
42 */
43
44typedef struct hb_face_t hb_face_t;
45
46HB_EXTERN hb_face_t *
47hb_face_create (hb_blob_t *blob,
48 unsigned int index);
49
50typedef hb_blob_t * (*hb_reference_table_func_t) (hb_face_t *face, hb_tag_t tag, void *user_data);
51
52/* calls destroy() when not needing user_data anymore */
53HB_EXTERN hb_face_t *
54hb_face_create_for_tables (hb_reference_table_func_t reference_table_func,
55 void *user_data,
56 hb_destroy_func_t destroy);
57
58HB_EXTERN hb_face_t *
59hb_face_get_empty (void);
60
61HB_EXTERN hb_face_t *
62hb_face_reference (hb_face_t *face);
63
64HB_EXTERN void
65hb_face_destroy (hb_face_t *face);
66
67HB_EXTERN hb_bool_t
68hb_face_set_user_data (hb_face_t *face,
69 hb_user_data_key_t *key,
70 void * data,
71 hb_destroy_func_t destroy,
72 hb_bool_t replace);
73
74
75HB_EXTERN void *
76hb_face_get_user_data (hb_face_t *face,
77 hb_user_data_key_t *key);
78
79HB_EXTERN void
80hb_face_make_immutable (hb_face_t *face);
81
82HB_EXTERN hb_bool_t
83hb_face_is_immutable (hb_face_t *face);
84
85
86HB_EXTERN hb_blob_t *
87hb_face_reference_table (hb_face_t *face,
88 hb_tag_t tag);
89
90HB_EXTERN hb_blob_t *
91hb_face_reference_blob (hb_face_t *face);
92
93HB_EXTERN void
94hb_face_set_index (hb_face_t *face,
95 unsigned int index);
96
97HB_EXTERN unsigned int
98hb_face_get_index (hb_face_t *face);
99
100HB_EXTERN void
101hb_face_set_upem (hb_face_t *face,
102 unsigned int upem);
103
104HB_EXTERN unsigned int
105hb_face_get_upem (hb_face_t *face);
106
107HB_EXTERN void
108hb_face_set_glyph_count (hb_face_t *face,
109 unsigned int glyph_count);
110
111HB_EXTERN unsigned int
112hb_face_get_glyph_count (hb_face_t *face);
113
114
115HB_END_DECLS
116
117#endif /* HB_FACE_H */
118