1 /*
2 *
3 * (C) Copyright IBM Corp. and others 1998-2013 - All Rights Reserved
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
16 U_NAMESPACE_BEGIN
17
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor2)18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor2)
19
20 SegmentArrayProcessor2::SegmentArrayProcessor2()
21 {
22 }
23
SegmentArrayProcessor2(const LEReferenceTo<MorphSubtableHeader2> & morphSubtableHeader,LEErrorCode & success)24 SegmentArrayProcessor2::SegmentArrayProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success)
25 : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader, success)
26 {
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
29 }
30
~SegmentArrayProcessor2()31 SegmentArrayProcessor2::~SegmentArrayProcessor2()
32 {
33 }
34
process(LEGlyphStorage & glyphStorage,LEErrorCode & success)35 void SegmentArrayProcessor2::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
36 {
37 const LookupSegment *segments = segmentArrayLookupTable->segments;
38 le_int32 glyphCount = glyphStorage.getGlyphCount();
39 le_int32 glyph;
40
41 for (glyph = 0; glyph < glyphCount; glyph += 1) {
42 LEGlyphID thisGlyph = glyphStorage[glyph];
43 const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segmentArrayLookupTable, segments, thisGlyph, success);
44
45 if (lookupSegment != NULL) {
46 TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph);
47 le_int16 offset = SWAPW(lookupSegment->value);
48
49 if (offset != 0) {
50 TTGlyphID *glyphArray = (TTGlyphID *) ((char *) subtableHeader.getAliasRAW() + offset);
51 TTGlyphID newGlyph = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]);
52
53 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
54 }
55 }
56 }
57 }
58
59 U_NAMESPACE_END
60