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/*
*
* (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
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