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
16U_NAMESPACE_BEGIN
17
18UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentSingleProcessor)
19
20SegmentSingleProcessor::SegmentSingleProcessor()
21{
22}
23
24SegmentSingleProcessor::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
31SegmentSingleProcessor::~SegmentSingleProcessor()
32{
33}
34
35void 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
53U_NAMESPACE_END
54