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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
/*
*
* (C) Copyright IBM Corp. and others 1998-2013 - All Rights Reserved
*
*/
#include "LETypes.h"
#include "MorphTables.h"
#include "SubtableProcessor2.h"
#include "NonContextualGlyphSubst.h"
#include "NonContextualGlyphSubstProc2.h"
#include "SegmentArrayProcessor2.h"
#include "LEGlyphStorage.h"
#include "LESwaps.h"
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor2)
SegmentArrayProcessor2::SegmentArrayProcessor2()
{
}
SegmentArrayProcessor2::SegmentArrayProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success)
: NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader, success)
{
const LEReferenceTo<NonContextualGlyphSubstitutionHeader2> header(morphSubtableHeader, success);
segmentArrayLookupTable = LEReferenceTo<SegmentArrayLookupTable>(morphSubtableHeader, success, &header->table); // don't parent to 'header' as it is on the stack
}
SegmentArrayProcessor2::~SegmentArrayProcessor2()
{
}
void SegmentArrayProcessor2::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
{
if (LE_FAILURE(success)) return;
const LookupSegment *segments = segmentArrayLookupTable->segments;
le_int32 glyphCount = glyphStorage.getGlyphCount();
le_int32 glyph;
if (LE_FAILURE(success)) return;
for (glyph = 0; glyph < glyphCount; glyph += 1) {
LEGlyphID thisGlyph = glyphStorage[glyph];
// lookupSegment already range checked by lookupSegment() function.
const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segmentArrayLookupTable, segments, thisGlyph, success);
if (lookupSegment != NULL&& LE_SUCCESS(success)) {
TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph);
TTGlyphID lastGlyph = SWAPW(lookupSegment->lastGlyph);
le_int16 offset = SWAPW(lookupSegment->value);
TTGlyphID thisGlyphId= LE_GET_GLYPH(thisGlyph);
LEReferenceToArrayOf<TTGlyphID> glyphArray(subtableHeader, success, offset, lastGlyph - firstGlyph + 1);
if (offset != 0 && thisGlyphId <= lastGlyph && thisGlyphId >= firstGlyph && LE_SUCCESS(success) ) {
TTGlyphID newGlyph = SWAPW(glyphArray[thisGlyphId]);
glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
}
}
}
}
U_NAMESPACE_END
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