| #ifndef OT_LAYOUT_GPOS_PAIRVALUERECORD_HH |
| #define OT_LAYOUT_GPOS_PAIRVALUERECORD_HH |
| |
| #include "ValueFormat.hh" |
| |
| namespace OT { |
| namespace Layout { |
| namespace GPOS_impl { |
| |
| |
| template <typename Types> |
| struct PairValueRecord |
| { |
| template <typename Types2> |
| friend struct PairSet; |
| |
| protected: |
| typename Types::HBGlyphID |
| secondGlyph; /* GlyphID of second glyph in the |
| * pair--first glyph is listed in the |
| * Coverage table */ |
| ValueRecord values; /* Positioning data for the first glyph |
| * followed by for second glyph */ |
| public: |
| DEFINE_SIZE_ARRAY (Types::HBGlyphID::static_size, values); |
| |
| int cmp (hb_codepoint_t k) const |
| { return secondGlyph.cmp (k); } |
| |
| struct context_t |
| { |
| const void *base; |
| const ValueFormat *valueFormats; |
| const ValueFormat *newFormats; |
| unsigned len1; /* valueFormats[0].get_len() */ |
| const hb_map_t *glyph_map; |
| const hb_hashmap_t<unsigned, hb_pair_t<unsigned, int>> *layout_variation_idx_delta_map; |
| }; |
| |
| bool subset (hb_subset_context_t *c, |
| context_t *closure) const |
| { |
| TRACE_SERIALIZE (this); |
| auto *s = c->serializer; |
| auto *out = s->start_embed (*this); |
| if (unlikely (!s->extend_min (out))) return_trace (false); |
| |
| out->secondGlyph = (*closure->glyph_map)[secondGlyph]; |
| |
| closure->valueFormats[0].copy_values (s, |
| closure->newFormats[0], |
| closure->base, &values[0], |
| closure->layout_variation_idx_delta_map); |
| closure->valueFormats[1].copy_values (s, |
| closure->newFormats[1], |
| closure->base, |
| &values[closure->len1], |
| closure->layout_variation_idx_delta_map); |
| |
| return_trace (true); |
| } |
| |
| void collect_variation_indices (hb_collect_variation_indices_context_t *c, |
| const ValueFormat *valueFormats, |
| const void *base) const |
| { |
| unsigned record1_len = valueFormats[0].get_len (); |
| unsigned record2_len = valueFormats[1].get_len (); |
| const hb_array_t<const Value> values_array = values.as_array (record1_len + record2_len); |
| |
| if (valueFormats[0].has_device ()) |
| valueFormats[0].collect_variation_indices (c, base, values_array.sub_array (0, record1_len)); |
| |
| if (valueFormats[1].has_device ()) |
| valueFormats[1].collect_variation_indices (c, base, values_array.sub_array (record1_len, record2_len)); |
| } |
| |
| bool intersects (const hb_set_t& glyphset) const |
| { |
| return glyphset.has(secondGlyph); |
| } |
| |
| const Value* get_values_1 () const |
| { |
| return &values[0]; |
| } |
| |
| const Value* get_values_2 (ValueFormat format1) const |
| { |
| return &values[format1.get_len ()]; |
| } |
| }; |
| |
| |
| } |
| } |
| } |
| |
| #endif // OT_LAYOUT_GPOS_PAIRVALUERECORD_HH |