1 /*
2 *
3 * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
4 *
5 */
6
7 #include "LETypes.h"
8 #include "LEFontInstance.h"
9 #include "OpenTypeTables.h"
10 #include "GlyphPositioningTables.h"
11 #include "SinglePositioningSubtables.h"
12 #include "ValueRecords.h"
13 #include "GlyphIterator.h"
14 #include "LESwaps.h"
15
16 U_NAMESPACE_BEGIN
17
process(GlyphIterator * glyphIterator,const LEFontInstance * fontInstance) const18 le_uint32 SinglePositioningSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
19 {
20 switch(SWAPW(subtableFormat))
21 {
22 case 0:
23 return 0;
24
25 case 1:
26 {
27 const SinglePositioningFormat1Subtable *subtable = (const SinglePositioningFormat1Subtable *) this;
28
29 return subtable->process(glyphIterator, fontInstance);
30 }
31
32 case 2:
33 {
34 const SinglePositioningFormat2Subtable *subtable = (const SinglePositioningFormat2Subtable *) this;
35
36 return subtable->process(glyphIterator, fontInstance);
37 }
38
39 default:
40 return 0;
41 }
42 }
43
process(GlyphIterator * glyphIterator,const LEFontInstance * fontInstance) const44 le_uint32 SinglePositioningFormat1Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
45 {
46 LEGlyphID glyph = glyphIterator->getCurrGlyphID();
47 le_int32 coverageIndex = getGlyphCoverage(glyph);
48
49 if (coverageIndex >= 0) {
50 valueRecord.adjustPosition(SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);
51
52 return 1;
53 }
54
55 return 0;
56 }
57
process(GlyphIterator * glyphIterator,const LEFontInstance * fontInstance) const58 le_uint32 SinglePositioningFormat2Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
59 {
60 LEGlyphID glyph = glyphIterator->getCurrGlyphID();
61 le_int16 coverageIndex = (le_int16) getGlyphCoverage(glyph);
62
63 if (coverageIndex >= 0) {
64 valueRecordArray[0].adjustPosition(coverageIndex, SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);
65
66 return 1;
67 }
68
69 return 0;
70 }
71
72 U_NAMESPACE_END
73