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b75a7d8f 1/*
b75a7d8f 2 *
2ca993e8 3 * (C) Copyright IBM Corp. 1998-2015 - All Rights Reserved
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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 "SegmentArrayProcessor.h"
374ca955 13#include "LEGlyphStorage.h"
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14#include "LESwaps.h"
15
16U_NAMESPACE_BEGIN
17
374ca955 18UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor)
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19
20SegmentArrayProcessor::SegmentArrayProcessor()
21{
22}
23
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24SegmentArrayProcessor::SegmentArrayProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success)
25 : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success)
b75a7d8f 26{
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27 LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success);
28 segmentArrayLookupTable = LEReferenceTo<SegmentArrayLookupTable>(morphSubtableHeader, success, (const SegmentArrayLookupTable*)&header->table);
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29}
30
31SegmentArrayProcessor::~SegmentArrayProcessor()
32{
33}
34
57a6839d 35void SegmentArrayProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
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36{
37 const LookupSegment *segments = segmentArrayLookupTable->segments;
374ca955 38 le_int32 glyphCount = glyphStorage.getGlyphCount();
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39 le_int32 glyph;
40
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41 if (LE_FAILURE(success)) return;
42
b75a7d8f 43 for (glyph = 0; glyph < glyphCount; glyph += 1) {
374ca955 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) {
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52 LEReferenceToArrayOf<TTGlyphID> glyphArray(subtableHeader, success, offset, LE_UNBOUNDED_ARRAY);
53 TTGlyphID newGlyph = SWAPW(glyphArray(LE_GET_GLYPH(thisGlyph) - firstGlyph, success));
54 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
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55 }
56 }
57 }
58}
59
60U_NAMESPACE_END