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提交 5cc6d264 编写于 作者: V vadim
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8139012: Better font substitutions 

Reviewed-by: prr, srl, mschoene
上级 2a35ec18
隐藏空白更改
内联 并排
Showing with 49 addition and 41 deletion
src/share/native/sun/font/layout/ContextualSubstSubtables.cpp
浏览文件 @ 5cc6d264
......@@ -243,14 +243,14 @@ le_uint32 ContextualSubstitutionFormat1Subtable::process(const LETableReference
le_uint16 srSetCount = SWAPW(subRuleSetCount);
if (coverageIndex < srSetCount) {
LEReferenceToArrayOf<Offset> subRuleSetTableOffsetArrayRef(base, success,
&subRuleSetTableOffsetArray[coverageIndex], 1);
LEReferenceToArrayOf<Offset>
subRuleSetTableOffsetArrayRef(base, success, subRuleSetTableOffsetArray, srSetCount);
if (LE_FAILURE(success)) {
return 0;
}
Offset subRuleSetTableOffset = SWAPW(subRuleSetTableOffsetArray[coverageIndex]);
LEReferenceTo<SubRuleSetTable>
subRuleSetTable(base, success, (const SubRuleSetTable *) ((char *) this + subRuleSetTableOffset));
LEReferenceTo<SubRuleSetTable> subRuleSetTable(base, success, subRuleSetTableOffset);
if (LE_FAILURE(success)) { return 0; }
le_uint16 subRuleCount = SWAPW(subRuleSetTable->subRuleCount);
le_int32 position = glyphIterator->getCurrStreamPosition();
......@@ -264,6 +264,7 @@ le_uint32 ContextualSubstitutionFormat1Subtable::process(const LETableReference
SWAPW(subRuleSetTable->subRuleTableOffsetArray[subRule]);
LEReferenceTo<SubRuleTable>
subRuleTable(subRuleSetTable, success, subRuleTableOffset);
if (LE_FAILURE(success)) { return 0; }
le_uint16 matchCount = SWAPW(subRuleTable->glyphCount) - 1;
le_uint16 substCount = SWAPW(subRuleTable->substCount);
LEReferenceToArrayOf<TTGlyphID> inputGlyphArray(base, success, subRuleTable->inputGlyphArray, matchCount+2);
......@@ -304,8 +305,8 @@ le_uint32 ContextualSubstitutionFormat2Subtable::process(const LETableReference
}
if (coverageIndex >= 0) {
LEReferenceTo<ClassDefinitionTable> classDefinitionTable(base, success,
(const ClassDefinitionTable *) ((char *) this + SWAPW(classDefTableOffset)));
LEReferenceTo<ClassDefinitionTable> classDefinitionTable(base, success, SWAPW(classDefTableOffset));
if (LE_FAILURE(success)) { return 0; }
le_uint16 scSetCount = SWAPW(subClassSetCount);
le_int32 setClass = classDefinitionTable->getGlyphClass(classDefinitionTable,
glyphIterator->getCurrGlyphID(),
......@@ -313,44 +314,45 @@ le_uint32 ContextualSubstitutionFormat2Subtable::process(const LETableReference
if (setClass < scSetCount) {
LEReferenceToArrayOf<Offset>
subClassSetTableOffsetArrayRef(base, success, subClassSetTableOffsetArray, setClass);
subClassSetTableOffsetArrayRef(base, success, subClassSetTableOffsetArray, scSetCount);
if (LE_FAILURE(success)) { return 0; }
if (subClassSetTableOffsetArray[setClass] != 0) {
Offset subClassSetTableOffset = SWAPW(subClassSetTableOffsetArray[setClass]);
LEReferenceTo<SubClassSetTable>
subClassSetTable(base, success, (const SubClassSetTable *) ((char *) this + subClassSetTableOffset));
le_uint16 subClassRuleCount = SWAPW(subClassSetTable->subClassRuleCount);
le_int32 position = glyphIterator->getCurrStreamPosition();
Offset subClassSetTableOffset = SWAPW(subClassSetTableOffsetArray[setClass]);
LEReferenceTo<SubClassSetTable> subClassSetTable(base, success, subClassSetTableOffset);
if (LE_FAILURE(success)) { return 0; }
le_uint16 subClassRuleCount = SWAPW(subClassSetTable->subClassRuleCount);
le_int32 position = glyphIterator->getCurrStreamPosition();
LEReferenceToArrayOf<Offset>
subClassRuleTableOffsetArrayRef(base, success, subClassSetTable->subClassRuleTableOffsetArray, subClassRuleCount);
if (LE_FAILURE(success)) {
return 0;
}
for (le_uint16 scRule = 0; scRule < subClassRuleCount; scRule += 1) {
Offset subClassRuleTableOffset =
SWAPW(subClassSetTable->subClassRuleTableOffsetArray[scRule]);
LEReferenceTo<SubClassRuleTable>
subClassRuleTable(subClassSetTable, success, subClassRuleTableOffset);
le_uint16 matchCount = SWAPW(subClassRuleTable->glyphCount) - 1;
le_uint16 substCount = SWAPW(subClassRuleTable->substCount);
for (le_uint16 scRule = 0; scRule < subClassRuleCount; scRule += 1) {
Offset subClassRuleTableOffset =
SWAPW(subClassSetTable->subClassRuleTableOffsetArray[scRule]);
LEReferenceTo<SubClassRuleTable>
subClassRuleTable(subClassSetTable, success, subClassRuleTableOffset);
if (LE_FAILURE(success)) { return 0; }
le_uint16 matchCount = SWAPW(subClassRuleTable->glyphCount) - 1;
le_uint16 substCount = SWAPW(subClassRuleTable->substCount);
LEReferenceToArrayOf<le_uint16> classArray(base, success, subClassRuleTable->classArray, matchCount+1);
LEReferenceToArrayOf<le_uint16> classArray(base, success, subClassRuleTable->classArray, matchCount+1);
if (LE_FAILURE(success)) { return 0; }
if (matchGlyphClasses(classArray, matchCount, glyphIterator, classDefinitionTable, success)) {
LEReferenceToArrayOf<SubstitutionLookupRecord>
substLookupRecordArray(base, success, (const SubstitutionLookupRecord *) &subClassRuleTable->classArray[matchCount], substCount);
if (LE_FAILURE(success)) { return 0; }
if (matchGlyphClasses(classArray, matchCount, glyphIterator, classDefinitionTable, success)) {
LEReferenceToArrayOf<SubstitutionLookupRecord>
substLookupRecordArray(base, success, (const SubstitutionLookupRecord *) &subClassRuleTable->classArray[matchCount], substCount);
applySubstitutionLookups(lookupProcessor, substLookupRecordArray, substCount, glyphIterator, fontInstance, position, success);
applySubstitutionLookups(lookupProcessor, substLookupRecordArray, substCount, glyphIterator, fontInstance, position, success);
return matchCount + 1;
}
return matchCount + 1;
}
glyphIterator->setCurrStreamPosition(position);
glyphIterator->setCurrStreamPosition(position);
}
}
}
}
// XXX If we get here, the table is mal-formed...
}
......@@ -463,13 +465,13 @@ le_uint32 ChainingContextualSubstitutionFormat1Subtable::process(const LETableRe
if (coverageIndex < srSetCount) {
LEReferenceToArrayOf<Offset>
chainSubRuleSetTableOffsetArrayRef(base, success, chainSubRuleSetTableOffsetArray, coverageIndex);
chainSubRuleSetTableOffsetArrayRef(base, success, chainSubRuleSetTableOffsetArray, srSetCount);
if (LE_FAILURE(success)) {
return 0;
}
Offset chainSubRuleSetTableOffset = SWAPW(chainSubRuleSetTableOffsetArray[coverageIndex]);
LEReferenceTo<ChainSubRuleSetTable>
chainSubRuleSetTable(base, success, (const ChainSubRuleSetTable *) ((char *) this + chainSubRuleSetTableOffset));
LEReferenceTo<ChainSubRuleSetTable> chainSubRuleSetTable(base, success, chainSubRuleSetTableOffset);
if (LE_FAILURE(success)) { return 0; }
le_uint16 chainSubRuleCount = SWAPW(chainSubRuleSetTable->chainSubRuleCount);
le_int32 position = glyphIterator->getCurrStreamPosition();
GlyphIterator tempIterator(*glyphIterator, emptyFeatureList);
......@@ -550,17 +552,17 @@ le_uint32 ChainingContextualSubstitutionFormat2Subtable::process(const LETableRe
if (coverageIndex >= 0) {
LEReferenceTo<ClassDefinitionTable>
backtrackClassDefinitionTable(base, success, (const ClassDefinitionTable *) ((char *) this + SWAPW(backtrackClassDefTableOffset)));
backtrackClassDefinitionTable(base, success, SWAPW(backtrackClassDefTableOffset));
LEReferenceTo<ClassDefinitionTable>
inputClassDefinitionTable(base, success, (const ClassDefinitionTable *) ((char *) this + SWAPW(inputClassDefTableOffset)));
inputClassDefinitionTable(base, success, SWAPW(inputClassDefTableOffset));
LEReferenceTo<ClassDefinitionTable>
lookaheadClassDefinitionTable(base, success, (const ClassDefinitionTable *) ((char *) this + SWAPW(lookaheadClassDefTableOffset)));
lookaheadClassDefinitionTable(base, success, SWAPW(lookaheadClassDefTableOffset));
le_uint16 scSetCount = SWAPW(chainSubClassSetCount);
le_int32 setClass = inputClassDefinitionTable->getGlyphClass(inputClassDefinitionTable,
glyphIterator->getCurrGlyphID(),
success);
LEReferenceToArrayOf<Offset>
chainSubClassSetTableOffsetArrayRef(base, success, chainSubClassSetTableOffsetArray, setClass);
chainSubClassSetTableOffsetArrayRef(base, success, chainSubClassSetTableOffsetArray, scSetCount);
if (LE_FAILURE(success)) {
return 0;
}
......@@ -568,7 +570,8 @@ le_uint32 ChainingContextualSubstitutionFormat2Subtable::process(const LETableRe
if (setClass < scSetCount && chainSubClassSetTableOffsetArray[setClass] != 0) {
Offset chainSubClassSetTableOffset = SWAPW(chainSubClassSetTableOffsetArray[setClass]);
LEReferenceTo<ChainSubClassSetTable>
chainSubClassSetTable(base, success, (const ChainSubClassSetTable *) ((char *) this + chainSubClassSetTableOffset));
chainSubClassSetTable(base, success, chainSubClassSetTableOffset);
if (LE_FAILURE(success)) { return 0; }
le_uint16 chainSubClassRuleCount = SWAPW(chainSubClassSetTable->chainSubClassRuleCount);
le_int32 position = glyphIterator->getCurrStreamPosition();
GlyphIterator tempIterator(*glyphIterator, emptyFeatureList);
......@@ -582,6 +585,7 @@ le_uint32 ChainingContextualSubstitutionFormat2Subtable::process(const LETableRe
SWAPW(chainSubClassSetTable->chainSubClassRuleTableOffsetArray[scRule]);
LEReferenceTo<ChainSubClassRuleTable>
chainSubClassRuleTable(chainSubClassSetTable, success, chainSubClassRuleTableOffset);
if (LE_FAILURE(success)) { return 0; }
le_uint16 backtrackGlyphCount = SWAPW(chainSubClassRuleTable->backtrackGlyphCount);
LEReferenceToArrayOf<le_uint16> backtrackClassArray(base, success, chainSubClassRuleTable->backtrackClassArray, backtrackGlyphCount);
if( LE_FAILURE(success) ) { return 0; }
......
src/share/native/sun/font/layout/CursiveAttachmentSubtables.cpp
浏览文件 @ 5cc6d264
......@@ -46,7 +46,7 @@ le_uint32 CursiveAttachmentSubtable::process(const LEReferenceTo<CursiveAttachme
le_uint16 eeCount = SWAPW(entryExitCount);
LEReferenceToArrayOf<EntryExitRecord>
entryExitRecordsArrayRef(base, success, entryExitRecords, coverageIndex);
entryExitRecordsArrayRef(base, success, entryExitRecords, eeCount);
if (coverageIndex < 0 || coverageIndex >= eeCount || LE_FAILURE(success)) {
glyphIterator->setCursiveGlyph();
......
src/share/native/sun/font/layout/Features.cpp
浏览文件 @ 5cc6d264
......@@ -41,7 +41,7 @@ U_NAMESPACE_BEGIN
LEReferenceTo<FeatureTable> FeatureListTable::getFeatureTable(const LETableReference &base, le_uint16 featureIndex, LETag *featureTag, LEErrorCode &success) const
{
LEReferenceToArrayOf<FeatureRecord>
featureRecordArrayRef(base, success, featureRecordArray, featureIndex+1);
featureRecordArrayRef(base, success, featureRecordArray, SWAPW(featureCount));
if (featureIndex >= SWAPW(featureCount) || LE_FAILURE(success)) {
return LEReferenceTo<FeatureTable>();
......
src/share/native/sun/font/layout/MarkToBasePosnSubtables.cpp
浏览文件 @ 5cc6d264
......@@ -93,7 +93,7 @@ le_int32 MarkToBasePositioningSubtable::process(const LETableReference &base, Gl
}
LEReferenceTo<BaseRecord> baseRecord(base, success, &baseArray->baseRecordArray[baseCoverage * mcCount]);
if( LE_FAILURE(success) ) { return 0; }
LEReferenceToArrayOf<Offset> baseAnchorTableOffsetArray(base, success, &(baseRecord->baseAnchorTableOffsetArray[0]), markClass+1);
LEReferenceToArrayOf<Offset> baseAnchorTableOffsetArray(base, success, &(baseRecord->baseAnchorTableOffsetArray[0]), mcCount);
if( LE_FAILURE(success) ) { return 0; }
Offset anchorTableOffset = SWAPW(baseRecord->baseAnchorTableOffsetArray[markClass]);
......
src/share/native/sun/font/layout/MarkToLigaturePosnSubtables.cpp
浏览文件 @ 5cc6d264
......@@ -83,6 +83,7 @@ le_int32 MarkToLigaturePositioningSubtable::process(const LETableReference &base
LEGlyphID ligatureGlyph = findLigatureGlyph(&ligatureIterator);
le_int32 ligatureCoverage = getBaseCoverage(base, (LEGlyphID) ligatureGlyph, success);
LEReferenceTo<LigatureArray> ligatureArray(base, success, SWAPW(baseArrayOffset));
if (LE_FAILURE(success)) { return 0; }
le_uint16 ligatureCount = SWAPW(ligatureArray->ligatureCount);
if (ligatureCoverage < 0 || ligatureCoverage >= ligatureCount) {
......@@ -95,6 +96,7 @@ le_int32 MarkToLigaturePositioningSubtable::process(const LETableReference &base
le_int32 markPosition = glyphIterator->getCurrStreamPosition();
Offset ligatureAttachOffset = SWAPW(ligatureArray->ligatureAttachTableOffsetArray[ligatureCoverage]);
LEReferenceTo<LigatureAttachTable> ligatureAttachTable(ligatureArray, success, ligatureAttachOffset);
if (LE_FAILURE(success)) { return 0; }
le_int32 componentCount = SWAPW(ligatureAttachTable->componentCount);
le_int32 component = ligatureIterator.getMarkComponent(markPosition);
......@@ -104,10 +106,12 @@ le_int32 MarkToLigaturePositioningSubtable::process(const LETableReference &base
}
LEReferenceTo<ComponentRecord> componentRecord(base, success, &ligatureAttachTable->componentRecordArray[component * mcCount]);
LEReferenceToArrayOf<Offset> ligatureAnchorTableOffsetArray(base, success, &(componentRecord->ligatureAnchorTableOffsetArray[0]), markClass+1);
if (LE_FAILURE(success)) { return 0; }
LEReferenceToArrayOf<Offset> ligatureAnchorTableOffsetArray(base, success, &(componentRecord->ligatureAnchorTableOffsetArray[0]), mcCount);
if( LE_FAILURE(success) ) { return 0; }
Offset anchorTableOffset = SWAPW(componentRecord->ligatureAnchorTableOffsetArray[markClass]);
LEReferenceTo<AnchorTable> anchorTable(ligatureAttachTable, success, anchorTableOffset);
if (LE_FAILURE(success)) { return 0; }
LEPoint ligatureAnchor, markAdvance, pixels;
anchorTable->getAnchor(anchorTable, ligatureGlyph, fontInstance, ligatureAnchor, success);
......
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