1/*
2 * Copyright © 2019 Ebrahim Byagowi
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
25#ifndef HB_OT_H_IN
26#error "Include <hb-ot.h> instead."
27#endif
28
29#ifndef HB_OT_META_H
30#define HB_OT_META_H
31
32#include "hb.h"
33
34HB_BEGIN_DECLS
35
36/**
37 * hb_ot_meta_tag_t:
38 * @HB_OT_META_TAG_DESIGN_LANGUAGES: Design languages. Text, using only
39 * Basic Latin (ASCII) characters. Indicates languages and/or scripts
40 * for the user audiences that the font was primarily designed for.
41 * @HB_OT_META_TAG_SUPPORTED_LANGUAGES: Supported languages. Text, using
42 * only Basic Latin (ASCII) characters. Indicates languages and/or scripts
43 * that the font is declared to be capable of supporting.
44 *
45 * Known metadata tags from https://docs.microsoft.com/en-us/typography/opentype/spec/meta
46 *
47 * Since: 2.6.0
48 **/
49typedef enum {
50/*
51 HB_OT_META_TAG_APPL = HB_TAG ('a','p','p','l'),
52 HB_OT_META_TAG_BILD = HB_TAG ('b','i','l','d'),
53*/
54 HB_OT_META_TAG_DESIGN_LANGUAGES = HB_TAG ('d','l','n','g'),
55 HB_OT_META_TAG_SUPPORTED_LANGUAGES = HB_TAG ('s','l','n','g'),
56
57 _HB_OT_META_TAG_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
58} hb_ot_meta_tag_t;
59
60HB_EXTERN unsigned int
61hb_ot_meta_get_entry_tags (hb_face_t *face,
62 unsigned int start_offset,
63 unsigned int *entries_count, /* IN/OUT. May be NULL. */
64 hb_ot_meta_tag_t *entries /* OUT. May be NULL. */);
65
66HB_EXTERN hb_blob_t *
67hb_ot_meta_reference_entry (hb_face_t *face, hb_ot_meta_tag_t meta_tag);
68
69HB_END_DECLS
70
71#endif /* HB_OT_META_H */
72