hb-ot-shape-normalize-private.hh revision b85800f9de8976a7418ef9df467d3080c6ab0199 
1/*
2 * Copyright © 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#ifndef HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
28#define HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
29
30#include "hb-private.hh"
31
32#include "hb-font.h"
33#include "hb-buffer.h"
34
35/* buffer var allocations, used during the normalization process */
36#define glyph_index()	var1.u32
37
38enum hb_ot_shape_normalization_mode_t {
39  HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED,
40  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS, /* never composes base-to-base */
41  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, /* always fully decomposes and then recompose back */
42  HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_FULL, /* including base-to-base composition */
43
44  HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS
45};
46
47HB_INTERNAL void _hb_ot_shape_normalize (hb_font_t *font,
48					 hb_buffer_t *buffer,
49					 hb_ot_shape_normalization_mode_t mode);
50
51#endif /* HB_OT_SHAPE_NORMALIZE_PRIVATE_HH */
52