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[subset] fix collect_variation_idx in PairPosFormat2

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This commit is contained in:
Qunxin Liu 2021-04-15 16:52:11 -07:00 committed by Garret Rieger
parent d356d0f79c
commit 84dbfacfec
3 changed files with 30 additions and 11 deletions
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15
src/hb-ot-layout-common.hh
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@ -91,7 +91,7 @@ static void ClassDef_remap_and_serialize (hb_serialize_context_t *c,
const hb_map_t &gid_klass_map,
hb_sorted_vector_t<HBGlyphID> &glyphs,
const hb_set_t &klasses,
bool use_class_zero,
bool use_class_zero,
hb_map_t *klass_map /*INOUT*/);
@ -1894,6 +1894,7 @@ struct ClassDefFormat1
if (unlikely (!it))
{
classFormat = 1;
startGlyph = 0;
classValue.len = 0;
return_trace (true);
@ -1917,6 +1918,7 @@ struct ClassDefFormat1
bool subset (hb_subset_context_t *c,
hb_map_t *klass_map = nullptr /*OUT*/,
bool keep_empty_table = true,
bool use_class_zero = true,
const Coverage* glyph_filter = nullptr) const
{
@ -1950,7 +1952,7 @@ struct ClassDefFormat1
use_class_zero = use_class_zero && glyph_count <= gid_org_klass_map.get_population ();
ClassDef_remap_and_serialize (c->serializer, gid_org_klass_map,
glyphs, orig_klasses, use_class_zero, klass_map);
return_trace ((bool) glyphs);
return_trace (keep_empty_table || (bool) glyphs);
}
bool sanitize (hb_sanitize_context_t *c) const
@ -2071,6 +2073,7 @@ struct ClassDefFormat2
if (unlikely (!it))
{
classFormat = 2;
rangeRecord.len = 0;
return_trace (true);
}
@ -2117,6 +2120,7 @@ struct ClassDefFormat2
bool subset (hb_subset_context_t *c,
hb_map_t *klass_map = nullptr /*OUT*/,
bool keep_empty_table = true,
bool use_class_zero = true,
const Coverage* glyph_filter = nullptr) const
{
@ -2151,7 +2155,7 @@ struct ClassDefFormat2
use_class_zero = use_class_zero && glyph_count <= gid_org_klass_map.get_population ();
ClassDef_remap_and_serialize (c->serializer, gid_org_klass_map,
glyphs, orig_klasses, use_class_zero, klass_map);
return_trace ((bool) glyphs);
return_trace (keep_empty_table || (bool) glyphs);
}
bool sanitize (hb_sanitize_context_t *c) const
@ -2350,13 +2354,14 @@ struct ClassDef
bool subset (hb_subset_context_t *c,
hb_map_t *klass_map = nullptr /*OUT*/,
bool keep_empty_table = true,
bool use_class_zero = true,
const Coverage* glyph_filter = nullptr) const
{
TRACE_SUBSET (this);
switch (u.format) {
case 1: return_trace (u.format1.subset (c, klass_map, use_class_zero, glyph_filter));
case 2: return_trace (u.format2.subset (c, klass_map, use_class_zero, glyph_filter));
case 1: return_trace (u.format1.subset (c, klass_map, keep_empty_table, use_class_zero, glyph_filter));
case 2: return_trace (u.format2.subset (c, klass_map, keep_empty_table, use_class_zero, glyph_filter));
default:return_trace (false);
}
}

4
src/hb-ot-layout-gdef-table.hh
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@ -643,10 +643,10 @@ struct GDEF
auto *out = c->serializer->embed (*this);
if (unlikely (!out)) return_trace (false);
bool subset_glyphclassdef = out->glyphClassDef.serialize_subset (c, glyphClassDef, this);
bool subset_glyphclassdef = out->glyphClassDef.serialize_subset (c, glyphClassDef, this, nullptr, false, true);
bool subset_attachlist = out->attachList.serialize_subset (c, attachList, this);
bool subset_ligcaretlist = out->ligCaretList.serialize_subset (c, ligCaretList, this);
bool subset_markattachclassdef = out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this);
bool subset_markattachclassdef = out->markAttachClassDef.serialize_subset (c, markAttachClassDef, this, nullptr, false, true);
bool subset_markglyphsetsdef = true;
if (version.to_int () >= 0x00010002u)

22
src/hb-ot-layout-gpos-table.hh
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@ -1488,14 +1488,28 @@ struct PairPosFormat2
void closure_lookups (hb_closure_lookups_context_t *c) const {}
void collect_variation_indices (hb_collect_variation_indices_context_t *c) const
{
if (!intersects (c->glyph_set)) return;
if ((!valueFormat1.has_device ()) && (!valueFormat2.has_device ())) return;
hb_set_t klass1_glyphs, klass2_glyphs;
if (!(this+classDef1).collect_coverage (&klass1_glyphs)) return;
if (!(this+classDef2).collect_coverage (&klass2_glyphs)) return;
hb_set_t class1_set, class2_set;
for (const unsigned cp : + c->glyph_set->iter () | hb_filter (this + coverage))
{
unsigned klass1 = (this+classDef1).get (cp);
if (!klass1_glyphs.has (cp)) class1_set.add (0);
else
{
unsigned klass1 = (this+classDef1).get (cp);
class1_set.add (klass1);
}
}
class2_set.add (0);
for (const unsigned cp : + c->glyph_set->iter () | hb_filter (klass2_glyphs))
{
unsigned klass2 = (this+classDef2).get (cp);
class1_set.add (klass1);
class2_set.add (klass2);
}
@ -1569,11 +1583,11 @@ struct PairPosFormat2
out->format = format;
hb_map_t klass1_map;
out->classDef1.serialize_subset (c, classDef1, this, &klass1_map, true, &(this + coverage));
out->classDef1.serialize_subset (c, classDef1, this, &klass1_map, true, true, &(this + coverage));
out->class1Count = klass1_map.get_population ();
hb_map_t klass2_map;
out->classDef2.serialize_subset (c, classDef2, this, &klass2_map, false);
out->classDef2.serialize_subset (c, classDef2, this, &klass2_map, true, false);
out->class2Count = klass2_map.get_population ();
unsigned len1 = valueFormat1.get_len ();