Merge pull request #2699 from googlefonts/gpos_8
[subset] Add a more complex layout subsetting test case and fix the issues it exposed.
This commit is contained in:
commit
6a3fd94f3b
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@ -1128,7 +1128,7 @@ struct Lookup
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out->lookupType = lookupType;
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out->lookupFlag = lookupFlag;
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const hb_set_t *glyphset = c->plan->glyphset ();
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const hb_set_t *glyphset = c->plan->glyphset_gsub ();
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unsigned int lookup_type = get_type ();
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+ hb_iter (get_subtables <TSubTable> ())
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| hb_filter ([this, glyphset, lookup_type] (const OffsetTo<TSubTable> &_) { return (this+_).intersects (glyphset, lookup_type); })
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@ -1506,7 +1506,7 @@ struct Coverage
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto it =
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@ -1733,7 +1733,7 @@ struct ClassDefFormat1
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hb_map_t *klass_map = nullptr /*OUT*/) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->_glyphset_gsub;
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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hb_sorted_vector_t<HBGlyphID> glyphs;
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@ -1907,7 +1907,7 @@ struct ClassDefFormat2
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hb_map_t *klass_map = nullptr /*OUT*/) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->_glyphset_gsub;
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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hb_sorted_vector_t<HBGlyphID> glyphs;
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@ -755,7 +755,7 @@ struct SinglePosFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto it =
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@ -870,7 +870,7 @@ struct SinglePosFormat2
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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unsigned sub_length = valueFormat.get_len ();
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@ -1129,7 +1129,7 @@ struct PairSet
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if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
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out->len = 0;
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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unsigned len1 = valueFormats[0].get_len ();
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@ -1250,7 +1250,7 @@ struct PairPosFormat1
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -1441,7 +1441,7 @@ struct PairPosFormat2
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})
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;
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const hb_set_t &glyphset = *c->plan->_glyphset_gsub;
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto it =
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@ -1728,7 +1728,7 @@ struct CursivePosFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -1904,7 +1904,7 @@ struct MarkBasePosFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -2288,7 +2288,7 @@ struct MarkMarkPosFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -356,7 +356,7 @@ struct Sequence
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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if (!intersects (&glyphset)) return_trace (false);
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@ -447,7 +447,7 @@ struct MultipleSubstFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -582,7 +582,7 @@ struct AlternateSet
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto it =
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@ -682,7 +682,7 @@ struct AlternateSubstFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -840,7 +840,7 @@ struct Ligature
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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if (!intersects (&glyphset) || !glyphset.has (ligGlyph)) return_trace (false);
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@ -1058,7 +1058,7 @@ struct LigatureSubstFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -1388,9 +1388,11 @@ struct Rule
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lookup_context);
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}
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void closure_lookups (hb_closure_lookups_context_t *c) const
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void closure_lookups (hb_closure_lookups_context_t *c,
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ContextClosureLookupContext &lookup_context) const
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{
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if (unlikely (c->lookup_limit_exceeded ())) return;
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if (!intersects (c->glyphs, lookup_context)) return;
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const UnsizedArrayOf<LookupRecord> &lookupRecord = StructAfter<UnsizedArrayOf<LookupRecord>>
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(inputZ.as_array (inputCount ? inputCount - 1 : 0));
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@ -1520,14 +1522,13 @@ struct RuleSet
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;
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}
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void closure_lookups (hb_closure_lookups_context_t *c) const
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void closure_lookups (hb_closure_lookups_context_t *c,
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ContextClosureLookupContext &lookup_context) const
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{
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if (unlikely (c->lookup_limit_exceeded ())) return;
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return
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+ hb_iter (rule)
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| hb_map (hb_add (this))
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| hb_apply ([&] (const Rule &_) { _.closure_lookups (c); })
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| hb_apply ([&] (const Rule &_) { _.closure_lookups (c, lookup_context); })
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;
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}
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@ -1646,9 +1647,16 @@ struct ContextFormat1
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void closure_lookups (hb_closure_lookups_context_t *c) const
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{
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+ hb_iter (ruleSet)
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struct ContextClosureLookupContext lookup_context = {
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{intersects_glyph},
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nullptr
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};
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+ hb_zip (this+coverage, ruleSet)
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| hb_filter (*c->glyphs, hb_first)
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| hb_map (hb_second)
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| hb_map (hb_add (this))
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| hb_apply ([&] (const RuleSet &_) { _.closure_lookups (c); })
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| hb_apply ([&] (const RuleSet &_) { _.closure_lookups (c, lookup_context); })
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;
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}
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@ -1699,7 +1707,7 @@ struct ContextFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -1790,10 +1798,24 @@ struct ContextFormat2
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void closure_lookups (hb_closure_lookups_context_t *c) const
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{
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if (!(this+coverage).intersects (c->glyphs))
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return;
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const ClassDef &class_def = this+classDef;
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struct ContextClosureLookupContext lookup_context = {
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{intersects_class},
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&class_def
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};
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+ hb_iter (ruleSet)
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| hb_map (hb_add (this))
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| hb_apply ([&] (const RuleSet &_) { _.closure_lookups (c); })
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;
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| hb_enumerate
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| hb_filter ([&] (const hb_pair_t<unsigned, const RuleSet &> p)
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{ return class_def.intersects_class (c->glyphs, p.first); })
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| hb_map (hb_second)
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| hb_apply ([&] (const RuleSet & _)
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{ _.closure_lookups (c, lookup_context); });
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}
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void collect_variation_indices (hb_collect_variation_indices_context_t *c) const {}
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@ -1944,6 +1966,8 @@ struct ContextFormat3
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void closure_lookups (hb_closure_lookups_context_t *c) const
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{
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if (!intersects (c->glyphs))
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return;
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const LookupRecord *lookupRecord = &StructAfter<LookupRecord> (coverageZ.as_array (glyphCount));
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recurse_lookups (c, lookupCount, lookupRecord);
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}
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@ -2237,9 +2261,11 @@ struct ChainRule
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lookup_context);
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}
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void closure_lookups (hb_closure_lookups_context_t *c) const
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void closure_lookups (hb_closure_lookups_context_t *c,
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ChainContextClosureLookupContext &lookup_context) const
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{
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if (unlikely (c->lookup_limit_exceeded ())) return;
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if (!intersects (c->glyphs, lookup_context)) return;
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const HeadlessArrayOf<HBUINT16> &input = StructAfter<HeadlessArrayOf<HBUINT16>> (backtrack);
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const ArrayOf<HBUINT16> &lookahead = StructAfter<ArrayOf<HBUINT16>> (input);
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@ -2357,7 +2383,7 @@ struct ChainRule
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if (!backtrack_map)
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{
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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if (!hb_all (backtrack, glyphset) ||
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!hb_all (input, glyphset) ||
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!hb_all (lookahead, glyphset))
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@ -2430,14 +2456,14 @@ struct ChainRuleSet
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;
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}
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void closure_lookups (hb_closure_lookups_context_t *c) const
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void closure_lookups (hb_closure_lookups_context_t *c,
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ChainContextClosureLookupContext &lookup_context) const
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{
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if (unlikely (c->lookup_limit_exceeded ())) return;
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return
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+ hb_iter (rule)
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| hb_map (hb_add (this))
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| hb_apply ([&] (const ChainRule &_) { _.closure_lookups (c); })
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| hb_apply ([&] (const ChainRule &_) { _.closure_lookups (c, lookup_context); })
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;
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}
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@ -2558,9 +2584,16 @@ struct ChainContextFormat1
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void closure_lookups (hb_closure_lookups_context_t *c) const
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{
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+ hb_iter (ruleSet)
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struct ChainContextClosureLookupContext lookup_context = {
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{intersects_glyph},
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{nullptr, nullptr, nullptr}
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};
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+ hb_zip (this+coverage, ruleSet)
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| hb_filter (*c->glyphs, hb_first)
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| hb_map (hb_second)
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| hb_map (hb_add (this))
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| hb_apply ([&] (const ChainRuleSet &_) { _.closure_lookups (c); })
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| hb_apply ([&] (const ChainRuleSet &_) { _.closure_lookups (c, lookup_context); })
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;
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}
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@ -2610,7 +2643,7 @@ struct ChainContextFormat1
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bool subset (hb_subset_context_t *c) const
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{
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TRACE_SUBSET (this);
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const hb_set_t &glyphset = *c->plan->glyphset ();
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const hb_set_t &glyphset = *c->plan->glyphset_gsub ();
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const hb_map_t &glyph_map = *c->plan->glyph_map;
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auto *out = c->serializer->start_embed (*this);
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@ -2707,9 +2740,28 @@ struct ChainContextFormat2
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void closure_lookups (hb_closure_lookups_context_t *c) const
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{
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if (!(this+coverage).intersects (c->glyphs))
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return;
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const ClassDef &backtrack_class_def = this+backtrackClassDef;
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const ClassDef &input_class_def = this+inputClassDef;
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const ClassDef &lookahead_class_def = this+lookaheadClassDef;
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struct ChainContextClosureLookupContext lookup_context = {
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{intersects_class},
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{&backtrack_class_def,
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&input_class_def,
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&lookahead_class_def}
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};
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+ hb_iter (ruleSet)
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| hb_map (hb_add (this))
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| hb_apply ([&] (const ChainRuleSet &_) { _.closure_lookups (c); })
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| hb_enumerate
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| hb_filter([&] (unsigned gid)
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{ return input_class_def.intersects_class (c->glyphs, gid); }, hb_first)
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| hb_map (hb_second)
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| hb_apply ([&] (const ChainRuleSet &_)
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{ _.closure_lookups (c, lookup_context); })
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;
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}
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@ -2800,9 +2852,10 @@ struct ChainContextFormat2
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if (unlikely (!c->serializer->check_success (!lookahead_klass_map.in_error ())))
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return_trace (false);
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unsigned non_zero_index = 0, index = 0;
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int non_zero_index = -1, index = 0;
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bool ret = true;
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const hb_map_t *lookup_map = c->table_tag == HB_OT_TAG_GSUB ? c->plan->gsub_lookups : c->plan->gpos_lookups;
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auto last_non_zero = c->serializer->snapshot ();
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for (const OffsetTo<ChainRuleSet>& _ : + hb_enumerate (ruleSet)
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| hb_filter (input_klass_map, hb_first)
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| hb_map (hb_second))
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@ -2818,7 +2871,10 @@ struct ChainContextFormat2
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&backtrack_klass_map,
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&input_klass_map,
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&lookahead_klass_map))
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{
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last_non_zero = c->serializer->snapshot ();
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non_zero_index = index;
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}
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index++;
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}
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@ -2826,11 +2882,9 @@ struct ChainContextFormat2
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if (!ret) return_trace (ret);
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// prune empty trailing ruleSets
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--index;
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while (index > non_zero_index)
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{
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out->ruleSet.pop ();
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index--;
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if (index > non_zero_index) {
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c->serializer->revert (last_non_zero);
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out->ruleSet.len = non_zero_index + 1;
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}
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return_trace (bool (out->ruleSet));
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@ -2914,6 +2968,9 @@ struct ChainContextFormat3
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void closure_lookups (hb_closure_lookups_context_t *c) const
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{
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if (!intersects (c->glyphs))
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return;
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const OffsetArrayOf<Coverage> &input = StructAfter<OffsetArrayOf<Coverage>> (backtrack);
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const OffsetArrayOf<Coverage> &lookahead = StructAfter<OffsetArrayOf<Coverage>> (input);
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const ArrayOf<LookupRecord> &lookup = StructAfter<ArrayOf<LookupRecord>> (lookahead);
|
||||
|
@ -2992,13 +3049,16 @@ struct ChainContextFormat3
|
|||
TRACE_SERIALIZE (this);
|
||||
auto *out = c->serializer->start_embed<OffsetArrayOf<Coverage>> ();
|
||||
|
||||
if (unlikely (!c->serializer->allocate_size<HBUINT16> (HBUINT16::static_size))) return_trace (false);
|
||||
if (unlikely (!c->serializer->allocate_size<HBUINT16> (HBUINT16::static_size)))
|
||||
return_trace (false);
|
||||
|
||||
+ it
|
||||
| hb_apply (subset_offset_array (c, *out, base))
|
||||
;
|
||||
for (auto& offset : it) {
|
||||
auto *o = out->serialize_append (c->serializer);
|
||||
if (unlikely (!o) || !o->serialize_subset (c, offset, base))
|
||||
return_trace (false);
|
||||
}
|
||||
|
||||
return_trace (out->len);
|
||||
return_trace (true);
|
||||
}
|
||||
|
||||
bool subset (hb_subset_context_t *c) const
|
||||
|
@ -3326,20 +3386,31 @@ struct GSUBGPOS
|
|||
return_trace (true);
|
||||
}
|
||||
|
||||
void closure_features (const hb_map_t *lookup_indexes, /* IN */
|
||||
hb_set_t *feature_indexes /* OUT */) const
|
||||
void prune_features (const hb_map_t *lookup_indices, /* IN */
|
||||
hb_set_t *feature_indices /* IN/OUT */) const
|
||||
{
|
||||
unsigned int feature_count = hb_min (get_feature_count (), (unsigned) HB_MAX_FEATURES);
|
||||
for (unsigned i = 0; i < feature_count; i++)
|
||||
#ifndef HB_NO_VAR
|
||||
// This is the set of feature indices which have alternate versions defined
|
||||
// if the FeatureVariation's table and the alternate version(s) intersect the
|
||||
// set of lookup indices.
|
||||
hb_set_t alternate_feature_indices;
|
||||
if (version.to_int () >= 0x00010001u)
|
||||
(this+featureVars).closure_features (lookup_indices, &alternate_feature_indices);
|
||||
if (alternate_feature_indices.in_error()) {
|
||||
feature_indices->successful = false;
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
for (unsigned i : feature_indices->iter())
|
||||
{
|
||||
const Feature& f = get_feature (i);
|
||||
if ((!f.featureParams.is_null ()) || f.intersects_lookup_indexes (lookup_indexes))
|
||||
feature_indexes->add (i);
|
||||
|
||||
if (f.featureParams.is_null ()
|
||||
&& !f.intersects_lookup_indexes (lookup_indices)
|
||||
&& !alternate_feature_indices.has (i))
|
||||
feature_indices->del (i);
|
||||
}
|
||||
#ifndef HB_NO_VAR
|
||||
if (version.to_int () >= 0x00010001u)
|
||||
(this+featureVars).closure_features (lookup_indexes, feature_indexes);
|
||||
#endif
|
||||
}
|
||||
|
||||
unsigned int get_size () const
|
||||
|
|
|
@ -88,10 +88,17 @@ _gsub_closure_glyphs_lookups_features (hb_face_t *face,
|
|||
&lookup_indices);
|
||||
_remap_indexes (&lookup_indices, gsub_lookups);
|
||||
|
||||
//closure features
|
||||
// Collect and prune features
|
||||
hb_set_t feature_indices;
|
||||
gsub->closure_features (gsub_lookups, &feature_indices);
|
||||
hb_ot_layout_collect_features (face,
|
||||
HB_OT_TAG_GSUB,
|
||||
nullptr,
|
||||
nullptr,
|
||||
nullptr,
|
||||
&feature_indices);
|
||||
gsub->prune_features (gsub_lookups, &feature_indices);
|
||||
_remap_indexes (&feature_indices, gsub_features);
|
||||
|
||||
gsub.destroy ();
|
||||
}
|
||||
|
||||
|
@ -114,9 +121,15 @@ _gpos_closure_lookups_features (hb_face_t *face,
|
|||
&lookup_indices);
|
||||
_remap_indexes (&lookup_indices, gpos_lookups);
|
||||
|
||||
//closure features
|
||||
// Collect and prune features
|
||||
hb_set_t feature_indices;
|
||||
gpos->closure_features (gpos_lookups, &feature_indices);
|
||||
hb_ot_layout_collect_features (face,
|
||||
HB_OT_TAG_GPOS,
|
||||
nullptr,
|
||||
nullptr,
|
||||
nullptr,
|
||||
&feature_indices);
|
||||
gpos->prune_features (gpos_lookups, &feature_indices);
|
||||
_remap_indexes (&feature_indices, gpos_features);
|
||||
gpos.destroy ();
|
||||
}
|
||||
|
@ -243,7 +256,11 @@ _populate_gids_to_retain (hb_subset_plan_t* plan,
|
|||
|
||||
#ifndef HB_NO_VAR
|
||||
if (close_over_gdef)
|
||||
_collect_layout_variation_indices (plan->source, plan->_glyphset, plan->gpos_lookups, plan->layout_variation_indices, plan->layout_variation_idx_map);
|
||||
_collect_layout_variation_indices (plan->source,
|
||||
plan->_glyphset_gsub,
|
||||
plan->gpos_lookups,
|
||||
plan->layout_variation_indices,
|
||||
plan->layout_variation_idx_map);
|
||||
#endif
|
||||
|
||||
#ifndef HB_NO_SUBSET_CFF
|
||||
|
|
|
@ -18,6 +18,7 @@ TESTS = \
|
|||
tests/layout.gpos4.tests \
|
||||
tests/layout.gpos6.tests \
|
||||
tests/layout.gpos8.tests \
|
||||
tests/layout.gpos8.amiri.tests \
|
||||
tests/layout.gsub3.tests \
|
||||
tests/layout.gsub6.tests \
|
||||
tests/layout.tests \
|
||||
|
|
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|
@ -1,2 +1,2 @@
|
|||
--drop-tables-=GSUB,GPOS
|
||||
--drop-tables-=GSUB,GPOS,GDEF
|
||||
--retain-gids
|
||||
|
|
|
@ -1 +1 @@
|
|||
--drop-tables-=GSUB,GPOS
|
||||
--drop-tables-=GSUB,GPOS,GDEF
|
||||
|
|
|
@ -0,0 +1,13 @@
|
|||
FONTS:
|
||||
Amiri-Regular.ttf
|
||||
|
||||
PROFILES:
|
||||
keep-layout.txt
|
||||
keep-layout-retain-gids.txt
|
||||
|
||||
SUBSETS:
|
||||
ال
|
||||
الأحلام.
|
||||
غير
|
||||
سماء لا
|
||||
الحب
|
|
@ -11,6 +11,7 @@ tests = [
|
|||
'layout.gpos4',
|
||||
'layout.gpos6',
|
||||
'layout.gpos8',
|
||||
'layout.gpos8.amiri',
|
||||
'layout.gsub3',
|
||||
'layout.gsub6',
|
||||
'layout.gdef',
|
||||
|
|
Loading…
Reference in New Issue