hb-ot-shape-private.hh revision 208f70f0553d73d2908b21b9552298029482a8b9 
1/*
2 * Copyright © 2010  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_OT_SHAPE_PRIVATE_HH
28#define HB_OT_SHAPE_PRIVATE_HH
29
30#include "hb-private.hh"
31
32#include "hb-ot-map-private.hh"
33#include "hb-ot-shape-complex-private.hh"
34
35
36struct hb_ot_shape_plan_t
37{
38  hb_ot_map_t map;
39  const hb_ot_complex_shaper_t *shaper;
40};
41
42
43inline void
44_hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_unicode_funcs_t *unicode)
45{
46  info->unicode_props0() = ((unsigned int) unicode->general_category (info->codepoint)) |
47			   (unicode->is_zero_width (info->codepoint) ? 0x80 : 0);
48  info->unicode_props1() = unicode->modified_combining_class (info->codepoint);
49}
50
51inline hb_unicode_general_category_t
52_hb_glyph_info_get_general_category (const hb_glyph_info_t *info)
53{
54  return (hb_unicode_general_category_t) (info->unicode_props0() & 0x7F);
55}
56
57inline unsigned int
58_hb_glyph_info_get_modified_combining_class (const hb_glyph_info_t *info)
59{
60  return info->unicode_props1();
61}
62
63inline hb_bool_t
64_hb_glyph_info_is_zero_width (const hb_glyph_info_t *info)
65{
66  return !!(info->unicode_props0() & 0x80);
67}
68
69#endif /* HB_OT_SHAPE_PRIVATE_HH */
70