sl@0: /*
sl@0:  *
sl@0:  * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include "LETypes.h"
sl@0: #include "LEFontInstance.h"
sl@0: #include "OpenTypeTables.h"
sl@0: #include "GlyphSubstitutionTables.h"
sl@0: #include "GlyphIterator.h"
sl@0: #include "LookupProcessor.h"
sl@0: #include "SubstitutionLookups.h"
sl@0: #include "CoverageTables.h"
sl@0: #include "LESwaps.h"
sl@0: 
sl@0: U_NAMESPACE_BEGIN
sl@0: 
sl@0: /*
sl@0:     NOTE: This could be optimized somewhat by keeping track
sl@0:     of the previous sequenceIndex in the loop and doing next()
sl@0:     or prev() of the delta between that and the current
sl@0:     sequenceIndex instead of always resetting to the front.
sl@0: */
sl@0: void SubstitutionLookup::applySubstitutionLookups(
sl@0:         LookupProcessor *lookupProcessor,
sl@0:         SubstitutionLookupRecord *substLookupRecordArray,
sl@0:         le_uint16 substCount,
sl@0:         GlyphIterator *glyphIterator,
sl@0:         const LEFontInstance *fontInstance,
sl@0:         le_int32 position,
sl@0:         LEErrorCode& success)
sl@0: {
sl@0:     if (LE_FAILURE(success)) {
sl@0:         return;
sl@0:     }
sl@0: 
sl@0:     GlyphIterator tempIterator(*glyphIterator);
sl@0: 
sl@0:     for (le_uint16 subst = 0; subst < substCount && LE_SUCCESS(success); subst += 1) {
sl@0:         le_uint16 sequenceIndex = SWAPW(substLookupRecordArray[subst].sequenceIndex);
sl@0:         le_uint16 lookupListIndex = SWAPW(substLookupRecordArray[subst].lookupListIndex);
sl@0: 
sl@0:         tempIterator.setCurrStreamPosition(position);
sl@0:         tempIterator.next(sequenceIndex);
sl@0: 
sl@0:         lookupProcessor->applySingleLookup(lookupListIndex, &tempIterator,
sl@0:             fontInstance, success);
sl@0:     }
sl@0: }
sl@0: 
sl@0: U_NAMESPACE_END