1/*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.  Oracle designates this
7 * particular file as subject to the "Classpath" exception as provided
8 * by Oracle in the LICENSE file that accompanied this code.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26/*
27 *
28 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
29 *
30 */
31
32#include "LETypes.h"
33#include "LEFontInstance.h"
34#include "OpenTypeTables.h"
35#include "AnchorTables.h"
36#include "MarkArrays.h"
37#include "LESwaps.h"
38
39U_NAMESPACE_BEGIN
40
41le_int32 MarkArray::getMarkClass(const LETableReference &base, LEGlyphID glyphID,
42                                 le_int32 coverageIndex, const LEFontInstance *fontInstance,
43                              LEPoint &anchor, LEErrorCode &success) const
44{
45    le_int32 markClass = -1;
46
47    if ( coverageIndex >= 0 && LE_SUCCESS(success) ) {
48        le_uint16 mCount = SWAPW(markCount);
49        if (coverageIndex < mCount) {
50          LEReferenceToArrayOf<MarkRecord> markRecordArrayRef(base, success, markRecordArray, mCount);
51            if(LE_FAILURE(success)) {
52              return markClass;
53            }
54            const MarkRecord *markRecord = &markRecordArray[coverageIndex];
55            Offset anchorTableOffset = SWAPW(markRecord->markAnchorTableOffset);
56            LEReferenceTo<AnchorTable> anchorTable(base, success, anchorTableOffset);
57
58            if(LE_FAILURE(success)) {
59              return markClass;
60            }
61
62            anchorTable->getAnchor(anchorTable, glyphID, fontInstance, anchor, success);
63            markClass = SWAPW(markRecord->markClass);
64        }
65
66        // XXXX If we get here, the table is mal-formed
67    }
68
69    return markClass;
70}
71
72U_NAMESPACE_END
73