57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
|
|
* @(#)SegmentArrayProcessor.cpp 1.6 00/03/15
|
|
*
|
|
* (C) Copyright IBM Corp. 1998, 1999, 2000 - All Rights Reserved
|
|
*
|
|
*/
|
|
|
|
#include "LETypes.h"
|
|
#include "MorphTables.h"
|
|
#include "SubtableProcessor.h"
|
|
#include "NonContextualGlyphSubstitution.h"
|
|
#include "NonContextualGlyphSubstitutionProcessor.h"
|
|
#include "SegmentArrayProcessor.h"
|
|
#include "LESwaps.h"
|
|
|
|
SegmentArrayProcessor::SegmentArrayProcessor()
|
|
{
|
|
}
|
|
|
|
SegmentArrayProcessor::SegmentArrayProcessor(MorphSubtableHeader *morphSubtableHeader)
|
|
: NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)
|
|
{
|
|
NonContextualGlyphSubstitutionHeader *header = (NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;
|
|
|
|
segmentArrayLookupTable = (SegmentArrayLookupTable *) &header->table;
|
|
}
|
|
|
|
SegmentArrayProcessor::~SegmentArrayProcessor()
|
|
{
|
|
}
|
|
|
|
void SegmentArrayProcessor::process(LEGlyphID *glyphs, le_int32 *charIndices, le_int32 glyphCount)
|
|
{
|
|
LookupSegment *segments = segmentArrayLookupTable->segments;
|
|
le_int32 glyph;
|
|
|
|
for (glyph = 0; glyph < glyphCount; glyph += 1)
|
|
{
|
|
LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segments, glyphs[glyph]);
|
|
|
|
if (lookupSegment != NULL)
|
|
{
|
|
le_int16 firstGlyph = SWAPW(lookupSegment->firstGlyph);
|
|
le_int16 offset = SWAPW(lookupSegment->value);
|
|
|
|
if (offset != 0)
|
|
{
|
|
le_int16 *glyphArray = (le_int16 *) ((char *) subtableHeader + offset);
|
|
le_int16 newGlyph = glyphArray[glyphs[glyph] - firstGlyph];
|
|
|
|
glyphs[glyph] = SWAPW(newGlyph);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|