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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. 1998 - 2005 - All Rights Reserved
*
*/
#include "LETypes.h"
#include "OpenTypeTables.h"
#include "GlyphPositioningTables.h"
#include "CursiveAttachmentSubtables.h"
#include "AnchorTables.h"
#include "GlyphIterator.h"
#include "OpenTypeUtilities.h"
#include "LESwaps.h"
U_NAMESPACE_BEGIN
le_uint32 CursiveAttachmentSubtable::process(const LEReferenceTo<CursiveAttachmentSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const
{
LEGlyphID glyphID = glyphIterator->getCurrGlyphID();
le_int32 coverageIndex = getGlyphCoverage(base, glyphID, success);
le_uint16 eeCount = SWAPW(entryExitCount);
LEReferenceToArrayOf<EntryExitRecord>
entryExitRecordsArrayRef(base, success, entryExitRecords, eeCount);
if (coverageIndex < 0 || coverageIndex >= eeCount || LE_FAILURE(success)) {
glyphIterator->setCursiveGlyph();
return 0;
}
LEPoint entryAnchor, exitAnchor;
Offset entryOffset = SWAPW(entryExitRecords[coverageIndex].entryAnchor);
Offset exitOffset = SWAPW(entryExitRecords[coverageIndex].exitAnchor);
if (entryOffset != 0) {
LEReferenceTo<AnchorTable> entryAnchorTable(base, success, entryOffset);
if( LE_SUCCESS(success) ) {
entryAnchorTable->getAnchor(entryAnchorTable, glyphID, fontInstance, entryAnchor, success);
glyphIterator->setCursiveEntryPoint(entryAnchor);
}
} else {
//glyphIterator->clearCursiveEntryPoint();
}
if (exitOffset != 0) {
LEReferenceTo<AnchorTable> exitAnchorTable(base, success, exitOffset);
if( LE_SUCCESS(success) ) {
exitAnchorTable->getAnchor(exitAnchorTable, glyphID, fontInstance, exitAnchor, success);
glyphIterator->setCursiveExitPoint(exitAnchor);
}
} else {
//glyphIterator->clearCursiveExitPoint();
}
return 1;
}
U_NAMESPACE_END
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