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 | |
37 | HB_BEGIN_DECLS |
38 | |
39 | |
40 | /* |
41 | * hb_face_t |
42 | */ |
43 | |
44 | typedef struct hb_face_t hb_face_t; |
45 | |
46 | HB_EXTERN hb_face_t * |
47 | hb_face_create (hb_blob_t *blob, |
48 | unsigned int index); |
49 | |
50 | typedef 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 */ |
53 | HB_EXTERN hb_face_t * |
54 | hb_face_create_for_tables (hb_reference_table_func_t reference_table_func, |
55 | void *user_data, |
56 | hb_destroy_func_t destroy); |
57 | |
58 | HB_EXTERN hb_face_t * |
59 | hb_face_get_empty (void); |
60 | |
61 | HB_EXTERN hb_face_t * |
62 | hb_face_reference (hb_face_t *face); |
63 | |
64 | HB_EXTERN void |
65 | hb_face_destroy (hb_face_t *face); |
66 | |
67 | HB_EXTERN hb_bool_t |
68 | hb_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 | |
75 | HB_EXTERN void * |
76 | hb_face_get_user_data (hb_face_t *face, |
77 | hb_user_data_key_t *key); |
78 | |
79 | HB_EXTERN void |
80 | hb_face_make_immutable (hb_face_t *face); |
81 | |
82 | HB_EXTERN hb_bool_t |
83 | hb_face_is_immutable (hb_face_t *face); |
84 | |
85 | |
86 | HB_EXTERN hb_blob_t * |
87 | hb_face_reference_table (hb_face_t *face, |
88 | hb_tag_t tag); |
89 | |
90 | HB_EXTERN hb_blob_t * |
91 | hb_face_reference_blob (hb_face_t *face); |
92 | |
93 | HB_EXTERN void |
94 | hb_face_set_index (hb_face_t *face, |
95 | unsigned int index); |
96 | |
97 | HB_EXTERN unsigned int |
98 | hb_face_get_index (hb_face_t *face); |
99 | |
100 | HB_EXTERN void |
101 | hb_face_set_upem (hb_face_t *face, |
102 | unsigned int upem); |
103 | |
104 | HB_EXTERN unsigned int |
105 | hb_face_get_upem (hb_face_t *face); |
106 | |
107 | HB_EXTERN void |
108 | hb_face_set_glyph_count (hb_face_t *face, |
109 | unsigned int glyph_count); |
110 | |
111 | HB_EXTERN unsigned int |
112 | hb_face_get_glyph_count (hb_face_t *face); |
113 | |
114 | HB_EXTERN unsigned int |
115 | hb_face_get_table_tags (hb_face_t *face, |
116 | unsigned int start_offset, |
117 | unsigned int *table_count, /* IN/OUT */ |
118 | hb_tag_t *table_tags /* OUT */); |
119 | |
120 | HB_END_DECLS |
121 | |
122 | #endif /* HB_FACE_H */ |
123 | |