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[HB] Fix apply_lookup() loop 

Part of Bug 595539 - Regressions in rendering certain Thai sequences with
OpenType font
This commit is contained in:
Behdad Esfahbod 2009-09-21 13:43:54 -04:00
parent c0ab43c058
commit f9c0a2dad0
1 changed files with 2 additions and 1 deletions
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3
src/hb-ot-layout-gsubgpos-private.hh
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@ -219,7 +219,7 @@ static inline bool apply_lookup (APPLY_ARG_DEF,
/* TODO We don't support lookupRecord arrays that are not increasing:
* Should be easy for in_place ones at least. */
for (unsigned int i = 0; i < count; i++)
for (unsigned int i = 0; i < count; /* NOP */)
{
while (_hb_ot_layout_skip_mark (context->face, IN_CURINFO (), lookup_flag, NULL))
{
@ -238,6 +238,7 @@ static inline bool apply_lookup (APPLY_ARG_DEF,
lookupRecord++;
lookupCount--;
/* Err, this is wrong if the lookup jumped over some glyphs */
i += buffer->in_pos - old_pos;
if (HB_UNLIKELY (buffer->in_pos == end))
return true;