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comparison mupdf-source/thirdparty/harfbuzz/src/hb-ot-layout-gsub-table.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 © 2007,2008,2009,2010 Red Hat, Inc.
3 * Copyright © 2010,2012,2013 Google, Inc.
4 *
5 * This is part of HarfBuzz, a text shaping library.
6 *
7 * Permission is hereby granted, without written agreement and without
8 * license or royalty fees, to use, copy, modify, and distribute this
9 * software and its documentation for any purpose, provided that the
10 * above copyright notice and the following two paragraphs appear in
11 * all copies of this software.
12 *
13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
17 * DAMAGE.
18 *
19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 *
25 * Red Hat Author(s): Behdad Esfahbod
26 * Google Author(s): Behdad Esfahbod
27 */
28
29 #ifndef HB_OT_LAYOUT_GSUB_TABLE_HH
30 #define HB_OT_LAYOUT_GSUB_TABLE_HH
31
32 #include "OT/Layout/GSUB/GSUB.hh"
33
34 namespace OT {
35 namespace Layout {
36 namespace GSUB_impl {
37
38 // TODO(garretrieger): Move into the new layout directory.
39 /* Out-of-class implementation for methods recursing */
40
41 #ifndef HB_NO_OT_LAYOUT
42 /*static*/ inline bool ExtensionSubst::is_reverse () const
43 {
44 return SubstLookup::lookup_type_is_reverse (get_type ());
45 }
46 template <typename context_t>
47 /*static*/ typename context_t::return_t SubstLookup::dispatch_recurse_func (context_t *c, unsigned int lookup_index)
48 {
49 const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (lookup_index);
50 return l.dispatch (c);
51 }
52
53 /*static*/ typename hb_closure_context_t::return_t SubstLookup::closure_glyphs_recurse_func (hb_closure_context_t *c, unsigned lookup_index, hb_set_t *covered_seq_indices, unsigned seq_index, unsigned end_index)
54 {
55 const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (lookup_index);
56 if (l.may_have_non_1to1 ())
57 hb_set_add_range (covered_seq_indices, seq_index, end_index);
58 return l.dispatch (c);
59 }
60
61 template <>
62 inline hb_closure_lookups_context_t::return_t
63 SubstLookup::dispatch_recurse_func<hb_closure_lookups_context_t> (hb_closure_lookups_context_t *c, unsigned this_index)
64 {
65 const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (this_index);
66 return l.closure_lookups (c, this_index);
67 }
68
69 template <>
70 inline bool SubstLookup::dispatch_recurse_func<hb_ot_apply_context_t> (hb_ot_apply_context_t *c, unsigned int lookup_index)
71 {
72 const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (lookup_index);
73 unsigned int saved_lookup_props = c->lookup_props;
74 unsigned int saved_lookup_index = c->lookup_index;
75 c->set_lookup_index (lookup_index);
76 c->set_lookup_props (l.get_props ());
77 bool ret = l.dispatch (c);
78 c->set_lookup_index (saved_lookup_index);
79 c->set_lookup_props (saved_lookup_props);
80 return ret;
81 }
82 #endif
83
84 } /* namespace GSUB_impl */
85 } /* namespace Layout */
86 } /* namespace OT */
87
88
89 #endif /* HB_OT_LAYOUT_GSUB_TABLE_HH */