void LookupProcessor::process(LEGlyphID *glyphs, GlyphPositionAdjustment *glyphPositionAdjustments, const LETag **glyphTags, le_int32 glyphCount,
le_bool rightToLeft, const GlyphDefinitionTableHeader *glyphDefinitionTableHeader,
const LEFontInstance *fontInstance) const
{
if (lookupSelectArray == NULL) {
return;
}
le_uint16 lookupListCount = SWAPW(lookupListTable->lookupCount);
for (le_uint16 lookup = 0; lookup < lookupListCount; lookup += 1) {
LETag selectTag = lookupSelectArray[lookup];
if (selectTag != notSelected) {
const LookupTable *lookupTable = lookupListTable->getLookupTable(lookup);
le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
GlyphIterator glyphIterator(glyphs, glyphPositionAdjustments, glyphCount,
rightToLeft, lookupFlags, selectTag, glyphTags,
glyphDefinitionTableHeader);
while (glyphIterator.findFeatureTag()) {
le_uint32 delta = 1;
while (glyphIterator.next(delta)) {
delta = applyLookupTable(lookupTable, &glyphIterator, fontInstance);
}
}
}
}
}
le_uint32 LookupProcessor::applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator,
const LEFontInstance *fontInstance) const
{
const LookupTable *lookupTable = lookupListTable->getLookupTable(lookupTableIndex);
le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
GlyphIterator tempIterator(*glyphIterator, lookupFlags);
le_uint32 delta = applyLookupTable(lookupTable, &tempIterator, fontInstance);
return delta;
}
le_uint32 LookupProcessor::applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator,
const LEFontInstance *fontInstance, LEErrorCode& success) const
{
if (LE_FAILURE(success)) {
return 0;
}
const LookupTable *lookupTable = lookupListTable->getLookupTable(lookupTableIndex);
le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
GlyphIterator tempIterator(*glyphIterator, lookupFlags);
le_uint32 delta = applyLookupTable(lookupTable, &tempIterator, fontInstance, success);
return delta;
}
le_int32 LookupProcessor::process(LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,
le_bool rightToLeft, const LEReferenceTo<GlyphDefinitionTableHeader> &glyphDefinitionTableHeader,
const LEFontInstance *fontInstance, LEErrorCode& success) const
{
if (LE_FAILURE(success)) {
return 0;
}
le_int32 glyphCount = glyphStorage.getGlyphCount();
if (lookupSelectArray == NULL) {
return glyphCount;
}
GlyphIterator glyphIterator(glyphStorage, glyphPositionAdjustments,
rightToLeft, 0, 0, glyphDefinitionTableHeader, success);
le_int32 newGlyphCount = glyphCount;
for (le_uint16 order = 0; order < lookupOrderCount && LE_SUCCESS(success); order += 1) {
le_uint16 lookup = lookupOrderArray[order];
FeatureMask selectMask = lookupSelectArray[lookup];
if (selectMask != 0) {
_LETRACE("Processing order#%d/%d", order, lookupOrderCount);
const LEReferenceTo<LookupTable> lookupTable = lookupListTable->getLookupTable(lookupListTable, lookup, success);
if (!lookupTable.isValid() ||LE_FAILURE(success) ) {
continue;
}
le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
glyphIterator.reset(lookupFlags, selectMask);
while (glyphIterator.findFeatureTag()) {
applyLookupTable(lookupTable, &glyphIterator, fontInstance, success);
if (LE_FAILURE(success)) {
#if LE_TRACE
_LETRACE("Failure for lookup 0x%x - %s\n", lookup, u_errorName((UErrorCode)success));
#endif
return 0;
}
}
newGlyphCount = glyphIterator.applyInsertions();
}
}
return newGlyphCount;
}
le_uint32 LookupProcessor::applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator,
const LEFontInstance *fontInstance, LEErrorCode& success) const
{
if (LE_FAILURE(success)) {
return 0;
}
const LEReferenceTo<LookupTable> lookupTable = lookupListTable->getLookupTable(lookupListTable, lookupTableIndex, success);
if (!lookupTable.isValid()) {
success = LE_INTERNAL_ERROR;
return 0;
}
le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
GlyphIterator tempIterator(*glyphIterator, lookupFlags);
le_uint32 delta = applyLookupTable(lookupTable, &tempIterator, fontInstance, success);
return delta;
}
le_int32 LookupProcessor::process(LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,
le_bool rightToLeft, const GlyphDefinitionTableHeader *glyphDefinitionTableHeader,
const LEFontInstance *fontInstance, LEErrorCode& success) const
{
if (LE_FAILURE(success)) {
return 0;
}
le_int32 glyphCount = glyphStorage.getGlyphCount();
if (lookupSelectArray == NULL) {
return glyphCount;
}
GlyphIterator glyphIterator(glyphStorage, glyphPositionAdjustments,
rightToLeft, 0, 0, glyphDefinitionTableHeader);
le_int32 newGlyphCount = glyphCount;
for (le_uint16 order = 0; order < lookupOrderCount; order += 1) {
le_uint16 lookup = lookupOrderArray[order];
FeatureMask selectMask = lookupSelectArray[lookup];
if (selectMask != 0) {
const LookupTable *lookupTable = lookupListTable->getLookupTable(lookup);
le_uint16 lookupFlags = SWAPW(lookupTable->lookupFlags);
glyphIterator.reset(lookupFlags, selectMask);
while (glyphIterator.findFeatureTag()) {
applyLookupTable(lookupTable, &glyphIterator, fontInstance, success);
if (LE_FAILURE(success)) {
return 0;
}
}
newGlyphCount = glyphIterator.applyInsertions();
}
}
return newGlyphCount;
}