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comparison mupdf-source/thirdparty/harfbuzz/src/OT/Layout/GSUB/GSUB.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 #ifndef OT_LAYOUT_GSUB_GSUB_HH
2 #define OT_LAYOUT_GSUB_GSUB_HH
3
4 #include "../../../hb-ot-layout-gsubgpos.hh"
5 #include "Common.hh"
6 #include "SubstLookup.hh"
7
8 namespace OT {
9
10 using Layout::GSUB_impl::SubstLookup;
11
12 namespace Layout {
13
14 /*
15 * GSUB -- Glyph Substitution
16 * https://docs.microsoft.com/en-us/typography/opentype/spec/gsub
17 */
18
19 struct GSUB : GSUBGPOS
20 {
21 using Lookup = SubstLookup;
22
23 static constexpr hb_tag_t tableTag = HB_OT_TAG_GSUB;
24
25 const SubstLookup& get_lookup (unsigned int i) const
26 { return static_cast<const SubstLookup &> (GSUBGPOS::get_lookup (i)); }
27
28 bool subset (hb_subset_context_t *c) const
29 {
30 hb_subset_layout_context_t l (c, tableTag);
31 return GSUBGPOS::subset<SubstLookup> (&l);
32 }
33
34 bool sanitize (hb_sanitize_context_t *c) const
35 {
36 TRACE_SANITIZE (this);
37 return_trace (GSUBGPOS::sanitize<SubstLookup> (c));
38 }
39
40 HB_INTERNAL bool is_blocklisted (hb_blob_t *blob,
41 hb_face_t *face) const;
42
43 void closure_lookups (hb_face_t *face,
44 const hb_set_t *glyphs,
45 hb_set_t *lookup_indexes /* IN/OUT */) const
46 { GSUBGPOS::closure_lookups<SubstLookup> (face, glyphs, lookup_indexes); }
47
48 typedef GSUBGPOS::accelerator_t<GSUB> accelerator_t;
49 };
50
51
52 }
53
54 struct GSUB_accelerator_t : Layout::GSUB::accelerator_t {
55 GSUB_accelerator_t (hb_face_t *face) : Layout::GSUB::accelerator_t (face) {}
56 };
57
58
59 }
60
61 #endif /* OT_LAYOUT_GSUB_GSUB_HH */