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1/*
2 *
2ca993e8 3 * (C) Copyright IBM Corp. and others 1998-2015 - All Rights Reserved
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4 *
5 */
6
7#include "LETypes.h"
8#include "MorphTables.h"
9#include "SubtableProcessor2.h"
10#include "NonContextualGlyphSubst.h"
11#include "NonContextualGlyphSubstProc2.h"
12#include "SegmentArrayProcessor2.h"
13#include "LEGlyphStorage.h"
14#include "LESwaps.h"
15
16U_NAMESPACE_BEGIN
17
18UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor2)
19
20SegmentArrayProcessor2::SegmentArrayProcessor2()
21{
22}
23
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24SegmentArrayProcessor2::SegmentArrayProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success)
25 : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader, success)
51004dcb 26{
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27 const LEReferenceTo<NonContextualGlyphSubstitutionHeader2> header(morphSubtableHeader, success);
28 segmentArrayLookupTable = LEReferenceTo<SegmentArrayLookupTable>(morphSubtableHeader, success, &header->table); // don't parent to 'header' as it is on the stack
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29}
30
31SegmentArrayProcessor2::~SegmentArrayProcessor2()
32{
33}
34
57a6839d 35void SegmentArrayProcessor2::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
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36{
37 const LookupSegment *segments = segmentArrayLookupTable->segments;
38 le_int32 glyphCount = glyphStorage.getGlyphCount();
39 le_int32 glyph;
40
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41 if (LE_FAILURE(success)) return;
42
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43 for (glyph = 0; glyph < glyphCount; glyph += 1) {
44 LEGlyphID thisGlyph = glyphStorage[glyph];
57a6839d 45 const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segmentArrayLookupTable, segments, thisGlyph, success);
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46
47 if (lookupSegment != NULL) {
48 TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph);
49 le_int16 offset = SWAPW(lookupSegment->value);
50
51 if (offset != 0) {
57a6839d 52 TTGlyphID *glyphArray = (TTGlyphID *) ((char *) subtableHeader.getAliasRAW() + offset);
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53 TTGlyphID newGlyph = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]);
54
55 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
56 }
57 }
58 }
59}
60
61U_NAMESPACE_END