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[serialize] Allocate for markFilteringSet

This commit is contained in:
Behdad Esfahbod 2018-07-25 17:37:38 -07:00
parent 7f08818c44
commit ecab6604e5
1 changed files with 9 additions and 0 deletions
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9
src/hb-ot-layout-common-private.hh
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@ -615,6 +615,14 @@ struct Lookup
inline OffsetArrayOf<SubTableType>& get_subtables (void) inline OffsetArrayOf<SubTableType>& get_subtables (void)
{ return CastR<OffsetArrayOf<SubTableType> > (subTable); } { return CastR<OffsetArrayOf<SubTableType> > (subTable); }
inline unsigned int get_size (void) const
{
const HBUINT16 &markFilteringSet = StructAfter<const HBUINT16> (subTable);
if (lookupFlag & LookupFlag::UseMarkFilteringSet)
return (const char *) &StructAfter<const char> (markFilteringSet) - (const char *) this;
return (const char *) &markFilteringSet - (const char *) this;
}
inline unsigned int get_type (void) const { return lookupType; } inline unsigned int get_type (void) const { return lookupType; }
/* lookup_props is a 32-bit integer where the lower 16-bit is LookupFlag and /* lookup_props is a 32-bit integer where the lower 16-bit is LookupFlag and
@ -657,6 +665,7 @@ struct Lookup
if (unlikely (!subTable.serialize (c, num_subtables))) return_trace (false); if (unlikely (!subTable.serialize (c, num_subtables))) return_trace (false);
if (lookupFlag & LookupFlag::UseMarkFilteringSet) if (lookupFlag & LookupFlag::UseMarkFilteringSet)
{ {
if (unlikely (!c->extend (*this))) return_trace (false);
HBUINT16 &markFilteringSet = StructAfter<HBUINT16> (subTable); HBUINT16 &markFilteringSet = StructAfter<HBUINT16> (subTable);
markFilteringSet.set (lookup_props >> 16); markFilteringSet.set (lookup_props >> 16);
} }