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annotate mupdf-source/thirdparty/harfbuzz/src/OT/Layout/GSUB/GSUB.hh @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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1 #ifndef OT_LAYOUT_GSUB_GSUB_HH
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2 #define OT_LAYOUT_GSUB_GSUB_HH
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4 #include "../../../hb-ot-layout-gsubgpos.hh"
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5 #include "Common.hh"
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6 #include "SubstLookup.hh"
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8 namespace OT {
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10 using Layout::GSUB_impl::SubstLookup;
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12 namespace Layout {
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14 /*
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15 * GSUB -- Glyph Substitution
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16 * https://docs.microsoft.com/en-us/typography/opentype/spec/gsub
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17 */
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19 struct GSUB : GSUBGPOS
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20 {
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21 using Lookup = SubstLookup;
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23 static constexpr hb_tag_t tableTag = HB_OT_TAG_GSUB;
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25 const SubstLookup& get_lookup (unsigned int i) const
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26 { return static_cast<const SubstLookup &> (GSUBGPOS::get_lookup (i)); }
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28 bool subset (hb_subset_context_t *c) const
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29 {
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30 hb_subset_layout_context_t l (c, tableTag);
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31 return GSUBGPOS::subset<SubstLookup> (&l);
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32 }
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34 bool sanitize (hb_sanitize_context_t *c) const
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35 {
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36 TRACE_SANITIZE (this);
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37 return_trace (GSUBGPOS::sanitize<SubstLookup> (c));
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38 }
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40 HB_INTERNAL bool is_blocklisted (hb_blob_t *blob,
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41 hb_face_t *face) const;
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43 void closure_lookups (hb_face_t *face,
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44 const hb_set_t *glyphs,
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45 hb_set_t *lookup_indexes /* IN/OUT */) const
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46 { GSUBGPOS::closure_lookups<SubstLookup> (face, glyphs, lookup_indexes); }
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48 typedef GSUBGPOS::accelerator_t<GSUB> accelerator_t;
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49 };
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52 }
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54 struct GSUB_accelerator_t : Layout::GSUB::accelerator_t {
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55 GSUB_accelerator_t (hb_face_t *face) : Layout::GSUB::accelerator_t (face) {}
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56 };
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59 }
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61 #endif /* OT_LAYOUT_GSUB_GSUB_HH */