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 "OpenTypeTables.h"
34#include "Lookups.h"
35#include "CoverageTables.h"
36#include "LESwaps.h"
37
38U_NAMESPACE_BEGIN
39
40const LEReferenceTo<LookupTable> LookupListTable::getLookupTable(const LEReferenceTo<LookupListTable> &base, le_uint16 lookupTableIndex, LEErrorCode &success) const
41{
42  LEReferenceToArrayOf<Offset> lookupTableOffsetArrayRef(base, success, (const Offset*)&lookupTableOffsetArray, SWAPW(lookupCount));
43
44  if(LE_FAILURE(success) || lookupTableIndex>lookupTableOffsetArrayRef.getCount()) {
45    success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
46    return LEReferenceTo<LookupTable>();
47  } else {
48    return LEReferenceTo<LookupTable>(base, success, SWAPW(lookupTableOffsetArrayRef.getObject(lookupTableIndex, success)));
49  }
50}
51
52const LEReferenceTo<LookupSubtable> LookupTable::getLookupSubtable(const LEReferenceTo<LookupTable> &base, le_uint16 subtableIndex, LEErrorCode &success) const
53{
54  LEReferenceToArrayOf<Offset> subTableOffsetArrayRef(base, success, (const Offset*)&subTableOffsetArray, SWAPW(subTableCount));
55
56  if(LE_FAILURE(success) || subtableIndex>subTableOffsetArrayRef.getCount()) {
57    success = LE_INDEX_OUT_OF_BOUNDS_ERROR;
58    return LEReferenceTo<LookupSubtable>();
59  } else {
60    return LEReferenceTo<LookupSubtable>(base, success, SWAPW(subTableOffsetArrayRef.getObject(subtableIndex, success)));
61  }
62}
63
64le_int32 LookupSubtable::getGlyphCoverage(const LEReferenceTo<LookupSubtable> &base, Offset tableOffset, LEGlyphID glyphID, LEErrorCode &success) const
65{
66  const LEReferenceTo<CoverageTable> coverageTable(base, success, SWAPW(tableOffset));
67
68  if(LE_FAILURE(success)) return 0;
69
70  return coverageTable->getGlyphCoverage(coverageTable, glyphID, success);
71}
72
73U_NAMESPACE_END
74