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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/OT/Layout/GSUB/GSUB.hh58
1 files changed, 58 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/OT/Layout/GSUB/GSUB.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/OT/Layout/GSUB/GSUB.hh
new file mode 100644
index 00000000000..ad153ce8d78
--- /dev/null
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/OT/Layout/GSUB/GSUB.hh
@@ -0,0 +1,58 @@
+#ifndef OT_LAYOUT_GSUB_GSUB_HH
+#define OT_LAYOUT_GSUB_GSUB_HH
+
+// TODO(garretrieger): move to new layout.
+#include "../../../hb-ot-layout-gsubgpos.hh"
+#include "Common.hh"
+#include "SubstLookup.hh"
+
+using OT::Layout::GSUB::SubstLookup;
+
+namespace OT {
+namespace Layout {
+namespace GSUB {
+
+/*
+ * GSUB -- Glyph Substitution
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/gsub
+ */
+
+struct GSUB : GSUBGPOS
+{
+ static constexpr hb_tag_t tableTag = HB_OT_TAG_GSUB;
+
+ const SubstLookup& get_lookup (unsigned int i) const
+ { return static_cast<const SubstLookup &> (GSUBGPOS::get_lookup (i)); }
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ hb_subset_layout_context_t l (c, tableTag, c->plan->gsub_lookups, c->plan->gsub_langsys, c->plan->gsub_features);
+ return GSUBGPOS::subset<SubstLookup> (&l);
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ { return GSUBGPOS::sanitize<SubstLookup> (c); }
+
+ HB_INTERNAL bool is_blocklisted (hb_blob_t *blob,
+ hb_face_t *face) const;
+
+ void closure_lookups (hb_face_t *face,
+ const hb_set_t *glyphs,
+ hb_set_t *lookup_indexes /* IN/OUT */) const
+ { GSUBGPOS::closure_lookups<SubstLookup> (face, glyphs, lookup_indexes); }
+
+ typedef GSUBGPOS::accelerator_t<GSUB> accelerator_t;
+};
+
+
+}
+}
+
+struct GSUB_accelerator_t : Layout::GSUB::GSUB::accelerator_t {
+ GSUB_accelerator_t (hb_face_t *face) : Layout::GSUB::GSUB::accelerator_t (face) {}
+};
+
+
+}
+
+#endif /* OT_LAYOUT_GSUB_GSUB_HH */