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Fix performence problem while shaping a lines with many scripts

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Fix quadradic behaviour regression introduced in commit
2e6b8b4734

Task-number: QTBUG-22275
Change-Id: I343452c6b1cd0e571770e5dadd3cd6fd3167c96d
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
This commit is contained in:
Olivier Goffart 2012-08-16 09:53:44 +02:00 committed by Qt by Nokia
parent c13011829f
commit b1e082ec9f
1 changed files with 1 additions and 1 deletions
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2
src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp vendored
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@ -884,7 +884,7 @@ HB_Bool HB_SelectScript(HB_ShaperItem *shaper_item, const HB_OpenTypeFeature *fe
static HB_Bool containsSurrogates(HB_ShaperItem *item)
{
for (hb_uint32 i=0; i<item->stringLength; ++i) {
for (hb_uint32 i=item->item.pos; i<item->item.pos+item->item.length; ++i) {
HB_UChar16 ucs = item->string[i];
if ( HB_IsHighSurrogate(ucs) || HB_IsLowSurrogate(ucs) )
return true;