| | 1 | /* |
| | 2 | * |
| | 3 | * (C) Copyright IBM Corp. 1998-2013 - 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 | |
| | 18 | le_uint32 SinglePositioningSubtable::process(const LEReferenceTo<SinglePositioningSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const |
| | 19 | { |
| | 20 | switch(SWAPW(subtableFormat)) |
| | 21 | { |
| | 22 | case 0: |
| | 23 | return 0; |
| | 24 | |
| | 25 | case 1: |
| | 26 | { |
| | 27 | const LEReferenceTo<SinglePositioningFormat1Subtable> subtable(base, success, (const SinglePositioningFormat1Subtable *) this); |
| | 28 | |
| | 29 | return subtable->process(subtable, glyphIterator, fontInstance, success); |
| | 30 | } |
| | 31 | |
| | 32 | case 2: |
| | 33 | { |
| | 34 | const LEReferenceTo<SinglePositioningFormat2Subtable> subtable(base, success, (const SinglePositioningFormat2Subtable *) this); |
| | 35 | |
| | 36 | return subtable->process(subtable, glyphIterator, fontInstance, success); |
| | 37 | } |
| | 38 | |
| | 39 | default: |
| | 40 | return 0; |
| | 41 | } |
| | 42 | } |
| | 43 | |
| | 44 | le_uint32 SinglePositioningFormat1Subtable::process(const LEReferenceTo<SinglePositioningFormat1Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const |
| | 45 | { |
| | 46 | LEGlyphID glyph = glyphIterator->getCurrGlyphID(); |
| | 47 | le_int32 coverageIndex = getGlyphCoverage(base, glyph, success); |
| | 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 | |
| | 58 | le_uint32 SinglePositioningFormat2Subtable::process(const LEReferenceTo<SinglePositioningFormat2Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const |
| | 59 | { |
| | 60 | LEGlyphID glyph = glyphIterator->getCurrGlyphID(); |
| | 61 | le_int16 coverageIndex = (le_int16) getGlyphCoverage(base, glyph, success); |
| | 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 |
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