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[OT] Start adding Lookup-level serialize API

This commit is contained in:
Behdad Esfahbod 2012-09-04 20:00:44 -04:00
parent a930c68e9c
commit 652d1e0d64
1 changed files with 19 additions and 1 deletions
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20
src/hb-ot-layout-common-private.hh
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@ -313,11 +313,29 @@ struct Lookup
return flag;
}
inline bool serialize (hb_serialize_context_t *c,
unsigned int lookup_type,
uint32_t lookup_props,
unsigned int num_subtables)
{
TRACE_SERIALIZE ();
if (unlikely (!c->extend_min (*this))) return TRACE_RETURN (false);
lookupType.set (lookup_type);
lookupFlag.set (lookup_props & 0xFFFF);
if (unlikely (!subTable.serialize (c, num_subtables))) return TRACE_RETURN (false);
if ((lookup_props >> 16) || lookupFlag & LookupFlag::UseMarkFilteringSet)
{
USHORT &markFilteringSet = StructAfter<USHORT> (subTable);
markFilteringSet.set (lookup_props >> 16);
}
return TRACE_RETURN (true);
}
inline bool sanitize (hb_sanitize_context_t *c) {
TRACE_SANITIZE ();
/* Real sanitize of the subtables is done by GSUB/GPOS/... */
if (!(c->check_struct (this) && subTable.sanitize (c))) return TRACE_RETURN (false);
if (unlikely (lookupFlag & LookupFlag::UseMarkFilteringSet))
if (lookupFlag & LookupFlag::UseMarkFilteringSet)
{
USHORT &markFilteringSet = StructAfter<USHORT> (subTable);
if (!markFilteringSet.sanitize (c)) return TRACE_RETURN (false);