1 /*
2 *
3 * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
4 *
5 */
6
7 #include "LETypes.h"
8 #include "MorphTables.h"
9 #include "SubtableProcessor.h"
10 #include "NonContextualGlyphSubst.h"
11 #include "NonContextualGlyphSubstProc.h"
12 #include "SegmentSingleProcessor.h"
13 #include "LEGlyphStorage.h"
14 #include "LESwaps.h"
15
16 U_NAMESPACE_BEGIN
17
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentSingleProcessor)18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentSingleProcessor)
19
20 SegmentSingleProcessor::SegmentSingleProcessor()
21 {
22 }
23
SegmentSingleProcessor(const LEReferenceTo<MorphSubtableHeader> & morphSubtableHeader,LEErrorCode & success)24 SegmentSingleProcessor::SegmentSingleProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success)
25 : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success)
26 {
27 LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success);
28 segmentSingleLookupTable = LEReferenceTo<SegmentSingleLookupTable>(morphSubtableHeader, success, (const SegmentSingleLookupTable*)&header->table);
29 }
30
~SegmentSingleProcessor()31 SegmentSingleProcessor::~SegmentSingleProcessor()
32 {
33 }
34
process(LEGlyphStorage & glyphStorage,LEErrorCode & success)35 void SegmentSingleProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
36 {
37 const LookupSegment *segments = segmentSingleLookupTable->segments;
38 le_int32 glyphCount = glyphStorage.getGlyphCount();
39 le_int32 glyph;
40
41 for (glyph = 0; glyph < glyphCount && LE_SUCCESS(success); glyph += 1) {
42 LEGlyphID thisGlyph = glyphStorage[glyph];
43 const LookupSegment *lookupSegment = segmentSingleLookupTable->lookupSegment(segmentSingleLookupTable, segments, thisGlyph, success);
44
45 if (lookupSegment != NULL && LE_SUCCESS(success)) {
46 TTGlyphID newGlyph = (TTGlyphID) LE_GET_GLYPH(thisGlyph) + SWAPW(lookupSegment->value);
47
48 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
49 }
50 }
51 }
52
53 U_NAMESPACE_END
54