Mercurial > hg > openjdk > jdk8 > jdk
view src/share/native/sun/font/layout/MarkArrays.cpp @ 9053:d4f4a9915357
8024530: Enhance font process resilience
Reviewed-by: mschoene, bae, srl, prr
author | prr |
---|---|
date | Thu, 17 Oct 2013 09:23:49 -0700 |
parents | 00cd9dc3c2b5 |
children |
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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. 1998-2004 - All Rights Reserved * */ #include "LETypes.h" #include "LEFontInstance.h" #include "OpenTypeTables.h" #include "AnchorTables.h" #include "MarkArrays.h" #include "LESwaps.h" U_NAMESPACE_BEGIN le_int32 MarkArray::getMarkClass(const LETableReference &base, LEGlyphID glyphID, le_int32 coverageIndex, const LEFontInstance *fontInstance, LEPoint &anchor, LEErrorCode &success) const { le_int32 markClass = -1; if ( coverageIndex >= 0 && LE_SUCCESS(success) ) { le_uint16 mCount = SWAPW(markCount); if (coverageIndex < mCount) { LEReferenceToArrayOf<MarkRecord> markRecordArrayRef(base, success, markRecordArray, mCount); if(LE_FAILURE(success)) { return markClass; } const MarkRecord *markRecord = &markRecordArray[coverageIndex]; Offset anchorTableOffset = SWAPW(markRecord->markAnchorTableOffset); LEReferenceTo<AnchorTable> anchorTable(base, success, anchorTableOffset); if(LE_FAILURE(success)) { return markClass; } anchorTable->getAnchor(anchorTable, glyphID, fontInstance, anchor, success); markClass = SWAPW(markRecord->markClass); } // XXXX If we get here, the table is mal-formed } return markClass; } U_NAMESPACE_END