1/*
2 *
3 * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
4 *
5 */
6
7#include "LETypes.h"
8#include "OpenTypeTables.h"
9#include "Lookups.h"
10#include "CoverageTables.h"
11#include "LESwaps.h"
12
13U_NAMESPACE_BEGIN
14
15const LEReferenceTo<LookupTable> LookupListTable::getLookupTable(const LEReferenceTo<LookupListTable> &base, le_uint16 lookupTableIndex, LEErrorCode &success) const
16{
17  LEReferenceToArrayOf<Offset> lookupTableOffsetArrayRef(base, success, (const Offset*)&lookupTableOffsetArray, SWAPW(lookupCount));
18
19  if(LE_FAILURE(success) || lookupTableIndex>lookupTableOffsetArrayRef.getCount()) {
20    return LEReferenceTo<LookupTable>();
21  } else {
22    return LEReferenceTo<LookupTable>(base, success, SWAPW(lookupTableOffsetArrayRef.getObject(lookupTableIndex, success)));
23  }
24}
25
26const LEReferenceTo<LookupSubtable> LookupTable::getLookupSubtable(const LEReferenceTo<LookupTable> &base, le_uint16 subtableIndex, LEErrorCode &success) const
27{
28  LEReferenceToArrayOf<Offset> subTableOffsetArrayRef(base, success, (const Offset*)&subTableOffsetArray, SWAPW(subTableCount));
29
30  if(LE_FAILURE(success) || subtableIndex>subTableOffsetArrayRef.getCount()) {
31    return LEReferenceTo<LookupSubtable>();
32  } else {
33    return LEReferenceTo<LookupSubtable>(base, success, SWAPW(subTableOffsetArrayRef.getObject(subtableIndex, success)));
34  }
35}
36
37le_int32 LookupSubtable::getGlyphCoverage(const LEReferenceTo<LookupSubtable> &base, Offset tableOffset, LEGlyphID glyphID, LEErrorCode &success) const
38{
39  const LEReferenceTo<CoverageTable> coverageTable(base, success, SWAPW(tableOffset));
40
41  if(LE_FAILURE(success)) return 0;
42
43  return coverageTable->getGlyphCoverage(glyphID);
44}
45
46U_NAMESPACE_END
47