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TrimmedArrayProcessor.cpp

/*
 * @(#)TrimmedArrayProcessor.cpp    1.6 00/03/15
 *
 * (C) Copyright IBM Corp. 1998, 1999, 2000, 2001 - All Rights Reserved
 *
 */

#include "LETypes.h"
#include "MorphTables.h"
#include "SubtableProcessor.h"
#include "NonContextualGlyphSubst.h"
#include "NonContextualGlyphSubstProc.h"
#include "TrimmedArrayProcessor.h"
#include "LESwaps.h"

U_NAMESPACE_BEGIN

TrimmedArrayProcessor::TrimmedArrayProcessor()
{
}

TrimmedArrayProcessor::TrimmedArrayProcessor(const MorphSubtableHeader *morphSubtableHeader)
  : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)
{
    const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;

    trimmedArrayLookupTable = (const TrimmedArrayLookupTable *) &header->table;
    firstGlyph = SWAPW(trimmedArrayLookupTable->firstGlyph);
    lastGlyph = firstGlyph + SWAPW(trimmedArrayLookupTable->glyphCount);
}

TrimmedArrayProcessor::~TrimmedArrayProcessor()
{
}

void TrimmedArrayProcessor::process(LEGlyphID *glyphs, le_int32 *charIndices, le_int32 glyphCount)
{
    le_int32 glyph;

    for (glyph = 0; glyph < glyphCount; glyph += 1) {
        if ((glyphs[glyph] > firstGlyph) && (glyphs[glyph] < lastGlyph)) {
            le_int16 newGlyph = trimmedArrayLookupTable->valueArray[glyphs[glyph] - firstGlyph];

            glyphs[glyph] = SWAPW(newGlyph);
        }
    }
} 

U_NAMESPACE_END

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