1 /*
2 * Copyright © 2010,2012 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): Behdad Esfahbod
25 */
26
27 #include "hb-ot-shape-complex-private.hh"
28
29
30 static const hb_tag_t tibetan_features[] =
31 {
32 HB_TAG('a','b','v','s'),
33 HB_TAG('b','l','w','s'),
34 HB_TAG('a','b','v','m'),
35 HB_TAG('b','l','w','m'),
36 HB_TAG_NONE
37 };
38
39 static void
collect_features_tibetan(hb_ot_shape_planner_t * plan)40 collect_features_tibetan (hb_ot_shape_planner_t *plan)
41 {
42 for (const hb_tag_t *script_features = tibetan_features; script_features && *script_features; script_features++)
43 plan->map.add_global_bool_feature (*script_features);
44 }
45
46
47 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_tibetan =
48 {
49 collect_features_tibetan,
50 nullptr, /* override_features */
51 nullptr, /* data_create */
52 nullptr, /* data_destroy */
53 nullptr, /* preprocess_text */
54 nullptr, /* postprocess_glyphs */
55 HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
56 nullptr, /* decompose */
57 nullptr, /* compose */
58 nullptr, /* setup_masks */
59 nullptr, /* disable_otl */
60 nullptr, /* reorder_marks */
61 HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE,
62 true, /* fallback_position */
63 };
64