1/* 2 * 3 * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved 4 * 5 */ 6 7#include "LETypes.h" 8#include "MorphTables.h" 9#include "SubtableProcessor.h" 10#include "NonContextualGlyphSubst.h" 11#include "NonContextualGlyphSubstProc.h" 12#include "SegmentArrayProcessor.h" 13#include "LEGlyphStorage.h" 14#include "LESwaps.h" 15 16U_NAMESPACE_BEGIN 17 18UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor) 19 20SegmentArrayProcessor::SegmentArrayProcessor() 21{ 22} 23 24SegmentArrayProcessor::SegmentArrayProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success) 25 : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success) 26{ 27 LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success); 28 segmentArrayLookupTable = LEReferenceTo<SegmentArrayLookupTable>(morphSubtableHeader, success, (const SegmentArrayLookupTable*)&header->table); 29} 30 31SegmentArrayProcessor::~SegmentArrayProcessor() 32{ 33} 34 35void SegmentArrayProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success) 36{ 37 const LookupSegment *segments = segmentArrayLookupTable->segments; 38 le_int32 glyphCount = glyphStorage.getGlyphCount(); 39 le_int32 glyph; 40 41 for (glyph = 0; glyph < glyphCount; glyph += 1) { 42 LEGlyphID thisGlyph = glyphStorage[glyph]; 43 const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segmentArrayLookupTable, segments, thisGlyph, success); 44 45 if (lookupSegment != NULL) { 46 TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph); 47 le_int16 offset = SWAPW(lookupSegment->value); 48 49 if (offset != 0) { 50 LEReferenceToArrayOf<TTGlyphID> glyphArray(subtableHeader, success, offset, LE_UNBOUNDED_ARRAY); 51 TTGlyphID newGlyph = SWAPW(glyphArray(LE_GET_GLYPH(thisGlyph) - firstGlyph, success)); 52 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph); 53 } 54 } 55 } 56} 57 58U_NAMESPACE_END 59