2 * Copyright © 2012 Google, Inc.
4 * This is part of HarfBuzz, a text shaping library.
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.
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
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.
24 * Google Author(s): Behdad Esfahbod
27 #ifndef HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
28 #define HB_OT_SHAPE_NORMALIZE_PRIVATE_HH
30 #include "hb-private.hh"
33 /* buffer var allocations, used during the normalization process */
34 #define glyph_index() var1.u32
36 struct hb_ot_shape_plan_t;
38 enum hb_ot_shape_normalization_mode_t {
39 HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
40 HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED,
41 HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS, /* never composes base-to-base */
42 HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, /* always fully decomposes and then recompose back */
44 HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS
47 HB_INTERNAL void _hb_ot_shape_normalize (const hb_ot_shape_plan_t *shaper,
52 struct hb_ot_shape_normalize_context_t
54 const hb_ot_shape_plan_t *plan;
57 hb_unicode_funcs_t *unicode;
58 bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
62 bool (*compose) (const hb_ot_shape_normalize_context_t *c,
69 #endif /* HB_OT_SHAPE_NORMALIZE_PRIVATE_HH */