projects / apple / icu.git / blame
| Commit | Line | Data |
|---|---|---|
| b75a7d8f | 1 | /* |
| b75a7d8f | 2 | * |
| 374ca955 | 3 | * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved |
| b75a7d8f A |
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 "GlyphPositionAdjustments.h" | |
| 15 | #include "LESwaps.h" | |
| 16 | ||
| 17 | U_NAMESPACE_BEGIN | |
| 18 | ||
| 19 | le_uint32 SinglePositioningSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const | |
| 20 | { | |
| 21 | switch(SWAPW(subtableFormat)) | |
| 22 | { | |
| 23 | case 0: | |
| 24 | return 0; | |
| 25 | ||
| 26 | case 1: | |
| 27 | { | |
| 28 | const SinglePositioningFormat1Subtable *subtable = (const SinglePositioningFormat1Subtable *) this; | |
| 29 | ||
| 30 | return subtable->process(glyphIterator, fontInstance); | |
| 31 | } | |
| 32 | ||
| 33 | case 2: | |
| 34 | { | |
| 35 | const SinglePositioningFormat2Subtable *subtable = (const SinglePositioningFormat2Subtable *) this; | |
| 36 | ||
| 37 | return subtable->process(glyphIterator, fontInstance); | |
| 38 | } | |
| 39 | ||
| 40 | default: | |
| 41 | return 0; | |
| 42 | } | |
| 43 | } | |
| 44 | ||
| 45 | le_uint32 SinglePositioningFormat1Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const | |
| 46 | { | |
| 47 | LEGlyphID glyph = glyphIterator->getCurrGlyphID(); | |
| 48 | le_int32 coverageIndex = getGlyphCoverage(glyph); | |
| 49 | ||
| 50 | if (coverageIndex >= 0) { | |
| 51 | GlyphPositionAdjustment adjustment; | |
| 52 | ||
| 53 | glyphIterator->getCurrGlyphPositionAdjustment(adjustment); | |
| 54 | ||
| 55 | valueRecord.adjustPosition(SWAPW(valueFormat), (const char *) this, adjustment, fontInstance); | |
| 56 | ||
| 57 | glyphIterator->setCurrGlyphPositionAdjustment(&adjustment); | |
| 58 | ||
| 59 | return 1; | |
| 60 | } | |
| 61 | ||
| 62 | return 0; | |
| 63 | } | |
| 64 | ||
| 65 | le_uint32 SinglePositioningFormat2Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const | |
| 66 | { | |
| 67 | LEGlyphID glyph = glyphIterator->getCurrGlyphID(); | |
| 68 | le_int16 coverageIndex = (le_int16) getGlyphCoverage(glyph); | |
| 69 | ||
| 70 | if (coverageIndex >= 0) { | |
| 71 | GlyphPositionAdjustment adjustment; | |
| 72 | ||
| 73 | glyphIterator->getCurrGlyphPositionAdjustment(adjustment); | |
| 74 | ||
| 75 | valueRecordArray[0].adjustPosition(coverageIndex, SWAPW(valueFormat), (const char *) this, adjustment, fontInstance); | |
| 76 | ||
| 77 | glyphIterator->setCurrGlyphPositionAdjustment(&adjustment); | |
| 78 | ||
| 79 | return 1; | |
| 80 | } | |
| 81 | ||
| 82 | return 0; | |
| 83 | } | |
| 84 | ||
| 85 | U_NAMESPACE_END |