1 /* 2 * 3 * (C) Copyright IBM Corp. 1998-2004 - 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 16 U_NAMESPACE_BEGIN 17 18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor) 19 20 SegmentArrayProcessor::SegmentArrayProcessor() 21 { 22 } 23 24 SegmentArrayProcessor::SegmentArrayProcessor(const MorphSubtableHeader *morphSubtableHeader) 25 : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader) 26 { 27 const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader; 28 29 segmentArrayLookupTable = (const SegmentArrayLookupTable *) &header->table; 30 } 31 32 SegmentArrayProcessor::~SegmentArrayProcessor() 33 { 34 } 35 36 void SegmentArrayProcessor::process(LEGlyphStorage &glyphStorage) 37 { 38 const LookupSegment *segments = segmentArrayLookupTable->segments; 39 le_int32 glyphCount = glyphStorage.getGlyphCount(); 40 le_int32 glyph; 41 42 for (glyph = 0; glyph < glyphCount; glyph += 1) { 43 LEGlyphID thisGlyph = glyphStorage[glyph]; 44 const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segments, thisGlyph); 45 46 if (lookupSegment != NULL) { 47 TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph); 48 le_int16 offset = SWAPW(lookupSegment->value); 49 50 if (offset != 0) { 51 TTGlyphID *glyphArray = (TTGlyphID *) ((char *) subtableHeader + offset); 52 TTGlyphID newGlyph = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]); 53 54 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph); 55 } 56 } 57 } 58 } 59 60 U_NAMESPACE_END 61
