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7143617: Improve fontmanager layout lookup operations

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Reviewed-by: igor, prr, mschoene
This commit is contained in:
Andrew Brygin 2012-02-28 10:44:56 +04:00
parent e3ce03230a
commit 39cf6b2fdc
2 changed files with 15 additions and 1 deletions
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15
jdk/src/share/native/sun/font/layout/LookupProcessor.cpp
View File

@ -95,6 +95,10 @@ le_int32 LookupProcessor::process(LEGlyphStorage &glyphStorage, GlyphPositionAdj
if (selectMask != 0) {
const LookupTable *lookupTable = lookupListTable->getLookupTable(lookup);
if (!lookupTable)
continue;
le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
glyphIterator.reset(lookupFlags, selectMask);
@ -136,6 +140,9 @@ le_int32 LookupProcessor::selectLookups(const FeatureTable *featureTable, Featur
for (le_uint16 lookup = 0; lookup < lookupCount; lookup += 1) {
le_uint16 lookupListIndex = SWAPW(featureTable->lookupListIndexArray[lookup]);
if (lookupListIndex >= lookupSelectCount)
continue;
lookupSelectArray[lookupListIndex] |= featureMask;
lookupOrderArray[store++] = lookupListIndex;
}
@ -147,7 +154,7 @@ LookupProcessor::LookupProcessor(const char *baseAddress,
Offset scriptListOffset, Offset featureListOffset, Offset lookupListOffset,
LETag scriptTag, LETag languageTag, const FeatureMap *featureMap, le_int32 featureMapCount, le_bool orderFeatures,
LEErrorCode& success)
: lookupListTable(NULL), featureListTable(NULL), lookupSelectArray(NULL),
: lookupListTable(NULL), featureListTable(NULL), lookupSelectArray(NULL), lookupSelectCount(0),
lookupOrderArray(NULL), lookupOrderCount(0)
{
const ScriptListTable *scriptListTable = NULL;
@ -195,6 +202,8 @@ LookupProcessor::LookupProcessor(const char *baseAddress,
lookupSelectArray[i] = 0;
}
lookupSelectCount = lookupListCount;
le_int32 count, order = 0;
le_int32 featureReferences = 0;
const FeatureTable *featureTable = NULL;
@ -211,6 +220,10 @@ LookupProcessor::LookupProcessor(const char *baseAddress,
le_uint16 featureIndex = SWAPW(langSysTable->featureIndexArray[feature]);
featureTable = featureListTable->getFeatureTable(featureIndex, &featureTag);
if (!featureTable)
continue;
featureReferences += SWAPW(featureTable->lookupCount);
}

1
jdk/src/share/native/sun/font/layout/LookupProcessor.h
View File

@ -90,6 +90,7 @@ protected:
const FeatureListTable *featureListTable;
FeatureMask *lookupSelectArray;
le_uint32 lookupSelectCount;
le_uint16 *lookupOrderArray;
le_uint32 lookupOrderCount;