SimpleArrayProcessor.cpp   [plain text]

/*
 *
 * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
 *
 */

#include "LETypes.h"
#include "MorphTables.h"
#include "SubtableProcessor.h"
#include "NonContextualGlyphSubst.h"
#include "NonContextualGlyphSubstProc.h"
#include "SimpleArrayProcessor.h"
#include "LEGlyphStorage.h"
#include "LESwaps.h"

U_NAMESPACE_BEGIN

UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleArrayProcessor)

SimpleArrayProcessor::SimpleArrayProcessor()
{
}

SimpleArrayProcessor::SimpleArrayProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success)
  : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success)
{
  LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success);
  simpleArrayLookupTable = LEReferenceTo<SimpleArrayLookupTable>(morphSubtableHeader, success, (const SimpleArrayLookupTable*)&header->table);
}

SimpleArrayProcessor::~SimpleArrayProcessor()
{
}

void SimpleArrayProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
{
    le_int32 glyphCount = glyphStorage.getGlyphCount();
    le_int32 glyph;
    
    LEReferenceToArrayOf<LookupValue> valueArray(simpleArrayLookupTable, success, (const LookupValue*)&simpleArrayLookupTable->valueArray, LE_UNBOUNDED_ARRAY);

    for (glyph = 0; LE_SUCCESS(success) && (glyph < glyphCount); glyph += 1) {
        LEGlyphID thisGlyph = glyphStorage[glyph];
        if (LE_GET_GLYPH(thisGlyph) < 0xFFFF) {
          TTGlyphID newGlyph = SWAPW(valueArray.getObject(LE_GET_GLYPH(thisGlyph),success));
          glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
        }
    }
}
 
U_NAMESPACE_END