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-rw-r--r--src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh
new file mode 100644
index 0000000000..a0243a218c
--- /dev/null
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh
@@ -0,0 +1,98 @@
+#ifndef OT_LAYOUT_GPOS_SINGLEPOS_HH
+#define OT_LAYOUT_GPOS_SINGLEPOS_HH
+
+#include "SinglePosFormat1.hh"
+#include "SinglePosFormat2.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct SinglePos
+{
+ protected:
+ union {
+ HBUINT16 format; /* Format identifier */
+ SinglePosFormat1 format1;
+ SinglePosFormat2 format2;
+ } u;
+
+ public:
+ template<typename Iterator,
+ hb_requires (hb_is_iterator (Iterator))>
+ unsigned get_format (Iterator glyph_val_iter_pairs)
+ {
+ hb_array_t<const Value> first_val_iter = hb_second (*glyph_val_iter_pairs);
+
+ for (const auto iter : glyph_val_iter_pairs)
+ for (const auto _ : hb_zip (iter.second, first_val_iter))
+ if (_.first != _.second)
+ return 2;
+
+ return 1;
+ }
+
+ template<typename Iterator,
+ typename SrcLookup,
+ hb_requires (hb_is_iterator (Iterator))>
+ void serialize (hb_serialize_context_t *c,
+ const SrcLookup* src,
+ Iterator glyph_val_iter_pairs,
+ const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map,
+ unsigned newFormat)
+ {
+ if (unlikely (!c->extend_min (u.format))) return;
+ unsigned format = 2;
+ ValueFormat new_format;
+ new_format = newFormat;
+
+ if (glyph_val_iter_pairs)
+ format = get_format (glyph_val_iter_pairs);
+
+ u.format = format;
+ switch (u.format) {
+ case 1: u.format1.serialize (c,
+ src,
+ glyph_val_iter_pairs,
+ new_format,
+ layout_variation_idx_delta_map);
+ return;
+ case 2: u.format2.serialize (c,
+ src,
+ glyph_val_iter_pairs,
+ new_format,
+ layout_variation_idx_delta_map);
+ return;
+ default:return;
+ }
+ }
+
+ template <typename context_t, typename ...Ts>
+ typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+ {
+ if (unlikely (!c->may_dispatch (this, &u.format))) return c->no_dispatch_return_value ();
+ TRACE_DISPATCH (this, u.format);
+ switch (u.format) {
+ case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+ case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+ default:return_trace (c->default_return_value ());
+ }
+ }
+};
+
+
+template<typename Iterator, typename SrcLookup>
+static void
+SinglePos_serialize (hb_serialize_context_t *c,
+ const SrcLookup *src,
+ Iterator it,
+ const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map,
+ unsigned new_format)
+{ c->start_embed<SinglePos> ()->serialize (c, src, it, layout_variation_idx_delta_map, new_format); }
+
+
+}
+}
+}
+
+#endif /* OT_LAYOUT_GPOS_SINGLEPOS_HH */