1 | /* |
2 | * Copyright © 2017 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 | #ifndef HB_AAT_LAYOUT_HH |
28 | #define HB_AAT_LAYOUT_HH |
29 | |
30 | #include "hb.hh" |
31 | |
32 | #include "hb-ot-shape.hh" |
33 | #include "hb-aat-ltag-table.hh" |
34 | |
35 | struct hb_aat_feature_mapping_t |
36 | { |
37 | hb_tag_t otFeatureTag; |
38 | hb_aat_layout_feature_type_t aatFeatureType; |
39 | hb_aat_layout_feature_selector_t selectorToEnable; |
40 | hb_aat_layout_feature_selector_t selectorToDisable; |
41 | |
42 | int cmp (hb_tag_t key) const |
43 | { return key < otFeatureTag ? -1 : key > otFeatureTag ? 1 : 0; } |
44 | }; |
45 | |
46 | HB_INTERNAL const hb_aat_feature_mapping_t * |
47 | hb_aat_layout_find_feature_mapping (hb_tag_t tag); |
48 | |
49 | HB_INTERNAL void |
50 | hb_aat_layout_compile_map (const hb_aat_map_builder_t *mapper, |
51 | hb_aat_map_t *map); |
52 | |
53 | HB_INTERNAL void |
54 | hb_aat_layout_substitute (const hb_ot_shape_plan_t *plan, |
55 | hb_font_t *font, |
56 | hb_buffer_t *buffer); |
57 | |
58 | HB_INTERNAL void |
59 | hb_aat_layout_zero_width_deleted_glyphs (hb_buffer_t *buffer); |
60 | |
61 | HB_INTERNAL void |
62 | hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer); |
63 | |
64 | HB_INTERNAL void |
65 | hb_aat_layout_position (const hb_ot_shape_plan_t *plan, |
66 | hb_font_t *font, |
67 | hb_buffer_t *buffer); |
68 | |
69 | HB_INTERNAL void |
70 | hb_aat_layout_track (const hb_ot_shape_plan_t *plan, |
71 | hb_font_t *font, |
72 | hb_buffer_t *buffer); |
73 | |
74 | |
75 | #endif /* HB_AAT_LAYOUT_HH */ |
76 | |