1/*
2 *
3 * (C) Copyright IBM Corp. 1998-2004 - 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 MorphSubtableHeader *morphSubtableHeader)
25  : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)
26{
27    const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;
28
29    segmentSingleLookupTable = (const SegmentSingleLookupTable *) &header->table;
30}
31
32SegmentSingleProcessor::~SegmentSingleProcessor()
33{
34}
35
36void SegmentSingleProcessor::process(LEGlyphStorage &glyphStorage)
37{
38    const LookupSegment *segments = segmentSingleLookupTable->segments;
39    le_int32 glyphCount = glyphStorage.getGlyphCount();
40    le_int32 glyph;
41
42    for (glyph = 0; glyph < glyphCount; glyph += 1) {
43        LEGlyphID thisGlyph = glyphStorage[glyph];
44        const LookupSegment *lookupSegment = segmentSingleLookupTable->lookupSegment(segments, thisGlyph);
45
46        if (lookupSegment != NULL) {
47            TTGlyphID   newGlyph  = (TTGlyphID) LE_GET_GLYPH(thisGlyph) + SWAPW(lookupSegment->value);
48
49            glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
50        }
51    }
52}
53
54U_NAMESPACE_END
55