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comparison mupdf-source/thirdparty/harfbuzz/src/hb-ot-shape-normalize.hh @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
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_HH
28 #define HB_OT_SHAPE_NORMALIZE_HH
29
30 #include "hb.hh"
31
32
33 /* buffer var allocations, used during the normalization process */
34 #define glyph_index() var1.u32
35
36 struct hb_ot_shape_plan_t;
37
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 */
43
44 HB_OT_SHAPE_NORMALIZATION_MODE_AUTO, /* See hb-ot-shape-normalize.cc for logic. */
45 HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_AUTO
46 };
47
48 HB_INTERNAL void _hb_ot_shape_normalize (const hb_ot_shape_plan_t *shaper,
49 hb_buffer_t *buffer,
50 hb_font_t *font);
51
52
53 struct hb_ot_shape_normalize_context_t
54 {
55 const hb_ot_shape_plan_t *plan;
56 hb_buffer_t *buffer;
57 hb_font_t *font;
58 hb_unicode_funcs_t *unicode;
59 const hb_codepoint_t not_found;
60 bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
61 hb_codepoint_t ab,
62 hb_codepoint_t *a,
63 hb_codepoint_t *b);
64 bool (*compose) (const hb_ot_shape_normalize_context_t *c,
65 hb_codepoint_t a,
66 hb_codepoint_t b,
67 hb_codepoint_t *ab);
68 };
69
70
71 #endif /* HB_OT_SHAPE_NORMALIZE_HH */