1 /* 2 * 3 * (C) Copyright IBM Corp. and others 1998-2013 - All Rights Reserved 4 * 5 */ 6 7 #include "LETypes.h" 8 #include "MorphTables.h" 9 #include "SubtableProcessor2.h" 10 #include "NonContextualGlyphSubst.h" 11 #include "NonContextualGlyphSubstProc2.h" 12 #include "SegmentArrayProcessor2.h" 13 #include "LEGlyphStorage.h" 14 #include "LESwaps.h" 15 16 U_NAMESPACE_BEGIN 17 18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor2) 19 20 SegmentArrayProcessor2::SegmentArrayProcessor2() 21 { 22 } 23 24 SegmentArrayProcessor2::SegmentArrayProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success) 25 : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader, success) 26 { 27 const LEReferenceTo<NonContextualGlyphSubstitutionHeader2> header(morphSubtableHeader, success); 28 segmentArrayLookupTable = LEReferenceTo<SegmentArrayLookupTable>(morphSubtableHeader, success, &header->table); // don't parent to 'header' as it is on the stack 29 } 30 31 SegmentArrayProcessor2::~SegmentArrayProcessor2() 32 { 33 } 34 35 void SegmentArrayProcessor2::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 TTGlyphID *glyphArray = (TTGlyphID *) ((char *) subtableHeader.getAliasRAW() + offset); 51 TTGlyphID newGlyph = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]); 52 53 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph); 54 } 55 } 56 } 57 } 58 59 U_NAMESPACE_END 60
