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8025034: Improve layout lookups

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Reviewed-by: mschoene, vadim, srl
This commit is contained in:
Phil Race 2013-09-19 08:34:37 -07:00
parent ba37926d77
commit 132ff0eea1
1 changed files with 6 additions and 2 deletions
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8
jdk/src/share/native/sun/font/layout/LookupProcessor.cpp
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@ -138,7 +138,7 @@ le_uint32 LookupProcessor::applySingleLookup(le_uint16 lookupTableIndex, GlyphIt
le_int32 LookupProcessor::selectLookups(const LEReferenceTo<FeatureTable> &featureTable, FeatureMask featureMask, le_int32 order, LEErrorCode &success) le_int32 LookupProcessor::selectLookups(const LEReferenceTo<FeatureTable> &featureTable, FeatureMask featureMask, le_int32 order, LEErrorCode &success)
{ {
le_uint16 lookupCount = featureTable.isValid()? SWAPW(featureTable->lookupCount) : 0; le_uint16 lookupCount = featureTable.isValid()? SWAPW(featureTable->lookupCount) : 0;
le_int32 store = order; le_uint32 store = (le_uint32)order;
LEReferenceToArrayOf<le_uint16> lookupListIndexArray(featureTable, success, featureTable->lookupListIndexArray, lookupCount); LEReferenceToArrayOf<le_uint16> lookupListIndexArray(featureTable, success, featureTable->lookupListIndexArray, lookupCount);
@ -147,6 +147,9 @@ le_int32 LookupProcessor::selectLookups(const LEReferenceTo<FeatureTable> &featu
if (lookupListIndex >= lookupSelectCount) { if (lookupListIndex >= lookupSelectCount) {
continue; continue;
} }
if (store >= lookupOrderCount) {
continue;
}
lookupSelectArray[lookupListIndex] |= featureMask; lookupSelectArray[lookupListIndex] |= featureMask;
lookupOrderArray[store++] = lookupListIndex; lookupOrderArray[store++] = lookupListIndex;
@ -246,7 +249,7 @@ LookupProcessor::LookupProcessor(const LETableReference &baseAddress,
if (requiredFeatureIndex != 0xFFFF) { if (requiredFeatureIndex != 0xFFFF) {
requiredFeatureTable = featureListTable->getFeatureTable(featureListTable, requiredFeatureIndex, &requiredFeatureTag, success); requiredFeatureTable = featureListTable->getFeatureTable(featureListTable, requiredFeatureIndex, &requiredFeatureTag, success);
featureReferences += SWAPW(featureTable->lookupCount); featureReferences += SWAPW(requiredFeatureTable->lookupCount);
} }
lookupOrderArray = LE_NEW_ARRAY(le_uint16, featureReferences); lookupOrderArray = LE_NEW_ARRAY(le_uint16, featureReferences);
@ -254,6 +257,7 @@ LookupProcessor::LookupProcessor(const LETableReference &baseAddress,
success = LE_MEMORY_ALLOCATION_ERROR; success = LE_MEMORY_ALLOCATION_ERROR;
return; return;
} }
lookupOrderCount = featureReferences;
for (le_int32 f = 0; f < featureMapCount; f += 1) { for (le_int32 f = 0; f < featureMapCount; f += 1) {
FeatureMap fm = featureMap[f]; FeatureMap fm = featureMap[f];