le_uint32 PairPositioningFormat1Subtable::process(const LEReferenceTo<PairPositioningFormat1Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const
{
LEGlyphID firstGlyph = glyphIterator->getCurrGlyphID();
le_int32 coverageIndex = getGlyphCoverage(base, firstGlyph, success);
if (LE_FAILURE(success)) {
return 0;
}
GlyphIterator tempIterator(*glyphIterator);
if (coverageIndex >= 0 && glyphIterator->next()) {
Offset pairSetTableOffset = SWAPW(pairSetTableOffsetArray[coverageIndex]);
LEReferenceTo<PairSetTable> pairSetTable(base, success, ((char *) this + pairSetTableOffset));
if (LE_FAILURE(success)) {
return 0;
}
le_uint16 pairValueCount = SWAPW(pairSetTable->pairValueCount);
le_int16 valueRecord1Size = ValueRecord::getSize(SWAPW(valueFormat1));
le_int16 valueRecord2Size = ValueRecord::getSize(SWAPW(valueFormat2));
le_int16 recordSize = sizeof(PairValueRecord) - sizeof(ValueRecord) + valueRecord1Size + valueRecord2Size;
LEGlyphID secondGlyph = glyphIterator->getCurrGlyphID();
LEReferenceTo<PairValueRecord> pairValueRecord;
if (pairValueCount != 0) {
pairValueRecord = findPairValueRecord(base, (TTGlyphID) LE_GET_GLYPH(secondGlyph), pairSetTable->pairValueRecordArray, pairValueCount, recordSize, success);
}
if (pairValueRecord.isEmpty()) {
return 0;
}
if (valueFormat1 != 0) {
pairValueRecord->valueRecord1.adjustPosition(SWAPW(valueFormat1), (char *) this, tempIterator, fontInstance);
}
if (valueFormat2 != 0) {
const ValueRecord *valueRecord2 = (const ValueRecord *) ((char *) &pairValueRecord->valueRecord1 + valueRecord1Size);
valueRecord2->adjustPosition(SWAPW(valueFormat2), (char *) this, *glyphIterator, fontInstance);
}
// back up glyphIterator so second glyph can be
// first glyph in the next pair
glyphIterator->prev();
return 1;
}
return 0;
}
le_uint32 PairPositioningFormat1Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
{
LEGlyphID firstGlyph = (LEGlyphID) glyphIterator->getCurrGlyphID();
le_int32 coverageIndex = getGlyphCoverage(firstGlyph);
GlyphIterator tempIterator(*glyphIterator);
if (coverageIndex >= 0 && glyphIterator->next()) {
Offset pairSetTableOffset = SWAPW(pairSetTableOffsetArray[coverageIndex]);
PairSetTable *pairSetTable = (PairSetTable *) ((char *) this + pairSetTableOffset);
le_int16 valueRecord1Size = ValueRecord::getSize(SWAPW(valueFormat1));
le_int16 valueRecord2Size = ValueRecord::getSize(SWAPW(valueFormat2));
le_int16 recordSize = sizeof(PairValueRecord) - sizeof(ValueRecord) + valueRecord1Size + valueRecord2Size;
LEGlyphID secondGlyph = (LEGlyphID) glyphIterator->getCurrGlyphID();
const PairValueRecord *pairValueRecord =
findPairValueRecord(secondGlyph, pairSetTable->pairValueRecordArray, SWAPW(pairSetTable->pairValueCount), recordSize);
if (pairValueRecord == NULL) {
return 0;
}
if (valueFormat1 != 0) {
GlyphPositionAdjustment adjustment;
tempIterator.getCurrGlyphPositionAdjustment(adjustment);
pairValueRecord->valueRecord1.adjustPosition(SWAPW(valueFormat1), (char *) this, adjustment, fontInstance);
tempIterator.setCurrGlyphPositionAdjustment(&adjustment);
}
if (valueFormat2 != 0) {
const ValueRecord *valueRecord2 = (const ValueRecord *) ((char *) &pairValueRecord->valueRecord1 + valueRecord1Size);
GlyphPositionAdjustment adjustment;
glyphIterator->getCurrGlyphPositionAdjustment(adjustment);
valueRecord2->adjustPosition(SWAPW(valueFormat2), (char *) this, adjustment, fontInstance);
glyphIterator->setCurrGlyphPositionAdjustment(&adjustment);
}
return 2;
}
return 0;
}
le_uint32 PairPositioningFormat1Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
{
LEGlyphID firstGlyph = glyphIterator->getCurrGlyphID();
le_int32 coverageIndex = getGlyphCoverage(firstGlyph);
GlyphIterator tempIterator(*glyphIterator);
if (coverageIndex >= 0 && glyphIterator->next()) {
Offset pairSetTableOffset = SWAPW(pairSetTableOffsetArray[coverageIndex]);
PairSetTable *pairSetTable = (PairSetTable *) ((char *) this + pairSetTableOffset);
le_uint16 pairValueCount = SWAPW(pairSetTable->pairValueCount);
le_int16 valueRecord1Size = ValueRecord::getSize(SWAPW(valueFormat1));
le_int16 valueRecord2Size = ValueRecord::getSize(SWAPW(valueFormat2));
le_int16 recordSize = sizeof(PairValueRecord) - sizeof(ValueRecord) + valueRecord1Size + valueRecord2Size;
LEGlyphID secondGlyph = glyphIterator->getCurrGlyphID();
const PairValueRecord *pairValueRecord = NULL;
if (pairValueCount != 0) {
pairValueRecord = findPairValueRecord((TTGlyphID) LE_GET_GLYPH(secondGlyph), pairSetTable->pairValueRecordArray, pairValueCount, recordSize);
}
if (pairValueRecord == NULL) {
return 0;
}
if (valueFormat1 != 0) {
pairValueRecord->valueRecord1.adjustPosition(SWAPW(valueFormat1), (char *) this, tempIterator, fontInstance);
}
if (valueFormat2 != 0) {
const ValueRecord *valueRecord2 = (const ValueRecord *) ((char *) &pairValueRecord->valueRecord1 + valueRecord1Size);
valueRecord2->adjustPosition(SWAPW(valueFormat2), (char *) this, *glyphIterator, fontInstance);
}
// back up glyphIterator so second glyph can be
// first glyph in the next pair
glyphIterator->prev();
return 1;
}
return 0;
}
