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 "OpenTypeTables.h" | |
| 9 | #include "OpenTypeUtilities.h" | |
| 10 | #include "ClassDefinitionTables.h" | |
| 11 | #include "LESwaps.h" | |
| 12 | ||
| 13 | U_NAMESPACE_BEGIN | |
| 14 | ||
| 15 | le_int32 ClassDefinitionTable::getGlyphClass(LEGlyphID glyphID) const | |
| 16 | { | |
| 17 | switch(SWAPW(classFormat)) { | |
| 18 | case 0: | |
| 19 | return 0; | |
| 20 | ||
| 21 | case 1: | |
| 22 | { | |
| 23 | const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this; | |
| 24 | ||
| 25 | return f1Table->getGlyphClass(glyphID); | |
| 26 | } | |
| 27 | ||
| 28 | case 2: | |
| 29 | { | |
| 30 | const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this; | |
| 31 | ||
| 32 | return f2Table->getGlyphClass(glyphID); | |
| 33 | } | |
| 34 | ||
| 35 | default: | |
| 36 | return 0; | |
| 37 | } | |
| 38 | } | |
| 39 | ||
| 40 | le_bool ClassDefinitionTable::hasGlyphClass(le_int32 glyphClass) const | |
| 41 | { | |
| 42 | switch(SWAPW(classFormat)) { | |
| 43 | case 0: | |
| 44 | return 0; | |
| 45 | ||
| 46 | case 1: | |
| 47 | { | |
| 48 | const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this; | |
| 49 | ||
| 50 | return f1Table->hasGlyphClass(glyphClass); | |
| 51 | } | |
| 52 | ||
| 53 | case 2: | |
| 54 | { | |
| 55 | const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this; | |
| 56 | ||
| 57 | return f2Table->hasGlyphClass(glyphClass); | |
| 58 | } | |
| 59 | ||
| 60 | default: | |
| 61 | return 0; | |
| 62 | } | |
| 63 | } | |
| 64 | ||
| 65 | le_int32 ClassDefFormat1Table::getGlyphClass(LEGlyphID glyphID) const | |
| 66 | { | |
| 67 | TTGlyphID ttGlyphID = (TTGlyphID) LE_GET_GLYPH(glyphID); | |
| 68 | TTGlyphID firstGlyph = SWAPW(startGlyph); | |
| 69 | TTGlyphID lastGlyph = firstGlyph + SWAPW(glyphCount); | |
| 70 | ||
| 71 | if (ttGlyphID > firstGlyph && ttGlyphID < lastGlyph) { | |
| 72 | return SWAPW(classValueArray[ttGlyphID - firstGlyph]); | |
| 73 | } | |
| 74 | ||
| 75 | return 0; | |
| 76 | } | |
| 77 | ||
| 78 | le_bool ClassDefFormat1Table::hasGlyphClass(le_int32 glyphClass) const | |
| 79 | { | |
| 80 | le_uint16 count = SWAPW(glyphCount); | |
| 81 | int i; | |
| 82 | ||
| 83 | for (i = 0; i < count; i += 1) { | |
| 84 | if (SWAPW(classValueArray[i]) == glyphClass) { | |
| 374ca955 | 85 | return TRUE; |
| b75a7d8f A |
86 | } |
| 87 | } | |
| 88 | ||
| 374ca955 | 89 | return FALSE; |
| b75a7d8f A |
90 | } |
| 91 | ||
| 92 | le_int32 ClassDefFormat2Table::getGlyphClass(LEGlyphID glyphID) const | |
| 93 | { | |
| 94 | TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(glyphID); | |
| 95 | le_uint16 rangeCount = SWAPW(classRangeCount); | |
| 96 | le_int32 rangeIndex = | |
| 97 | OpenTypeUtilities::getGlyphRangeIndex(ttGlyph, classRangeRecordArray, rangeCount); | |
| 98 | ||
| 99 | if (rangeIndex < 0) { | |
| 100 | return 0; | |
| 101 | } | |
| 102 | ||
| 103 | return SWAPW(classRangeRecordArray[rangeIndex].rangeValue); | |
| 104 | } | |
| 105 | ||
| 106 | le_bool ClassDefFormat2Table::hasGlyphClass(le_int32 glyphClass) const | |
| 107 | { | |
| 108 | le_uint16 rangeCount = SWAPW(classRangeCount); | |
| 109 | int i; | |
| 110 | ||
| 111 | for (i = 0; i < rangeCount; i += 1) { | |
| 112 | if (SWAPW(classRangeRecordArray[i].rangeValue) == glyphClass) { | |
| 374ca955 | 113 | return TRUE; |
| b75a7d8f A |
114 | } |
| 115 | } | |
| 116 | ||
| 374ca955 | 117 | return FALSE; |
| b75a7d8f A |
118 | } |
| 119 | ||
| 120 | U_NAMESPACE_END |