diff -r 000000000000 -r 1fb32624e06b fontservices/textshaperplugin/IcuSource/layout/SegmentArrayProcessor.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fontservices/textshaperplugin/IcuSource/layout/SegmentArrayProcessor.cpp Tue Feb 02 02:02:46 2010 +0200 @@ -0,0 +1,60 @@ +/* + * + * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved + * + */ + +#include "LETypes.h" +#include "MorphTables.h" +#include "SubtableProcessor.h" +#include "NonContextualGlyphSubst.h" +#include "NonContextualGlyphSubstProc.h" +#include "SegmentArrayProcessor.h" +#include "LEGlyphStorage.h" +#include "LESwaps.h" + +U_NAMESPACE_BEGIN + +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor) + +SegmentArrayProcessor::SegmentArrayProcessor() +{ +} + +SegmentArrayProcessor::SegmentArrayProcessor(const MorphSubtableHeader *morphSubtableHeader) + : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader) +{ + const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader; + + segmentArrayLookupTable = (const SegmentArrayLookupTable *) &header->table; +} + +SegmentArrayProcessor::~SegmentArrayProcessor() +{ +} + +void SegmentArrayProcessor::process(LEGlyphStorage &glyphStorage) +{ + const LookupSegment *segments = segmentArrayLookupTable->segments; + le_int32 glyphCount = glyphStorage.getGlyphCount(); + le_int32 glyph; + + for (glyph = 0; glyph < glyphCount; glyph += 1) { + LEGlyphID thisGlyph = glyphStorage[glyph]; + const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segments, thisGlyph); + + if (lookupSegment != NULL) { + TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph); + le_int16 offset = SWAPW(lookupSegment->value); + + if (offset != 0) { + TTGlyphID *glyphArray = (TTGlyphID *) ((char *) subtableHeader + offset); + TTGlyphID newGlyph = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]); + + glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph); + } + } + } +} + +U_NAMESPACE_END