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 "MorphTables.h"
sl@0: #include "SubtableProcessor.h"
sl@0: #include "NonContextualGlyphSubst.h"
sl@0: #include "NonContextualGlyphSubstProc.h"
sl@0: #include "SegmentArrayProcessor.h"
sl@0: #include "LEGlyphStorage.h"
sl@0: #include "LESwaps.h"
sl@0: 
sl@0: U_NAMESPACE_BEGIN
sl@0: 
sl@0: UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor)
sl@0: 
sl@0: SegmentArrayProcessor::SegmentArrayProcessor()
sl@0: {
sl@0: }
sl@0: 
sl@0: SegmentArrayProcessor::SegmentArrayProcessor(const MorphSubtableHeader *morphSubtableHeader)
sl@0:   : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)
sl@0: {
sl@0:     const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;
sl@0: 
sl@0:     segmentArrayLookupTable = (const SegmentArrayLookupTable *) &header->table;
sl@0: }
sl@0: 
sl@0: SegmentArrayProcessor::~SegmentArrayProcessor()
sl@0: {
sl@0: }
sl@0: 
sl@0: void SegmentArrayProcessor::process(LEGlyphStorage &glyphStorage)
sl@0: {
sl@0:     const LookupSegment *segments = segmentArrayLookupTable->segments;
sl@0:     le_int32 glyphCount = glyphStorage.getGlyphCount();
sl@0:     le_int32 glyph;
sl@0: 
sl@0:     for (glyph = 0; glyph < glyphCount; glyph += 1) {
sl@0:         LEGlyphID thisGlyph = glyphStorage[glyph];
sl@0:         const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segments, thisGlyph);
sl@0: 
sl@0:         if (lookupSegment != NULL)  {
sl@0:             TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph);
sl@0:             le_int16  offset = SWAPW(lookupSegment->value);
sl@0: 
sl@0:             if (offset != 0) {
sl@0:                 TTGlyphID  *glyphArray = (TTGlyphID *) ((char *) subtableHeader + offset);
sl@0:                 TTGlyphID   newGlyph   = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]);
sl@0:                 
sl@0:                 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
sl@0:             } 
sl@0:         }
sl@0:     }
sl@0: }
sl@0:  
sl@0: U_NAMESPACE_END