| /* |
| * |
| * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved |
| * |
| */ |
| |
| #include "LETypes.h" |
| #include "OpenTypeTables.h" |
| #include "OpenTypeUtilities.h" |
| #include "ClassDefinitionTables.h" |
| #include "LESwaps.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| le_int32 ClassDefinitionTable::getGlyphClass(const LETableReference& base, LEGlyphID glyphID, LEErrorCode &success) const |
| { |
| LEReferenceTo<ClassDefinitionTable> thisRef(base, success); |
| if (LE_FAILURE(success)) return 0; |
| |
| switch(SWAPW(classFormat)) { |
| case 0: |
| return 0; |
| |
| case 1: |
| { |
| const LEReferenceTo<ClassDefFormat1Table> f1Table(thisRef, success); |
| return f1Table->getGlyphClass(f1Table, glyphID, success); |
| } |
| |
| case 2: |
| { |
| const LEReferenceTo<ClassDefFormat2Table> f2Table(thisRef, success); |
| return f2Table->getGlyphClass(f2Table, glyphID, success); |
| } |
| |
| default: |
| return 0; |
| } |
| } |
| |
| le_bool ClassDefinitionTable::hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const |
| { |
| LEReferenceTo<ClassDefinitionTable> thisRef(base, success); |
| if (LE_FAILURE(success)) return 0; |
| |
| switch(SWAPW(classFormat)) { |
| case 0: |
| return 0; |
| |
| case 1: |
| { |
| const LEReferenceTo<ClassDefFormat1Table> f1Table(thisRef, success); |
| return f1Table->hasGlyphClass(f1Table, glyphClass, success); |
| } |
| |
| case 2: |
| { |
| const LEReferenceTo<ClassDefFormat2Table> f2Table(thisRef, success); |
| return f2Table->hasGlyphClass(f2Table, glyphClass, success); |
| } |
| |
| default: |
| return 0; |
| } |
| } |
| |
| le_int32 ClassDefFormat1Table::getGlyphClass(const LETableReference& base, LEGlyphID glyphID, LEErrorCode &success) const |
| { |
| if(LE_FAILURE(success)) return 0; |
| |
| le_uint16 count = SWAPW(glyphCount); |
| LEReferenceToArrayOf<le_uint16> classValueArrayRef(base, success, &classValueArray[0], count); |
| TTGlyphID ttGlyphID = (TTGlyphID) LE_GET_GLYPH(glyphID); |
| TTGlyphID firstGlyph = SWAPW(startGlyph); |
| TTGlyphID lastGlyph = firstGlyph + count; |
| |
| if (LE_SUCCESS(success) && ttGlyphID >= firstGlyph && ttGlyphID < lastGlyph) { |
| return SWAPW( classValueArrayRef(ttGlyphID - firstGlyph, success) ); |
| } |
| |
| return 0; |
| } |
| |
| le_bool ClassDefFormat1Table::hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const |
| { |
| if(LE_FAILURE(success)) return 0; |
| le_uint16 count = SWAPW(glyphCount); |
| LEReferenceToArrayOf<le_uint16> classValueArrayRef(base, success, &classValueArray[0], count); |
| int i; |
| |
| for (i = 0; LE_SUCCESS(success)&& (i < count); i += 1) { |
| if (SWAPW(classValueArrayRef(i,success)) == glyphClass) { |
| return TRUE; |
| } |
| } |
| |
| return FALSE; |
| } |
| |
| le_int32 ClassDefFormat2Table::getGlyphClass(const LETableReference& base, LEGlyphID glyphID, LEErrorCode &success) const |
| { |
| if(LE_FAILURE(success)) return 0; |
| TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(glyphID); |
| le_uint16 rangeCount = SWAPW(classRangeCount); |
| LEReferenceToArrayOf<GlyphRangeRecord> classRangeRecordArrayRef(base, success, &classRangeRecordArray[0], rangeCount); |
| le_int32 rangeIndex = |
| OpenTypeUtilities::getGlyphRangeIndex(ttGlyph, classRangeRecordArrayRef, success); |
| |
| if (rangeIndex < 0 || LE_FAILURE(success)) { |
| return 0; |
| } |
| |
| return SWAPW(classRangeRecordArrayRef(rangeIndex, success).rangeValue); |
| } |
| |
| le_bool ClassDefFormat2Table::hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const |
| { |
| if(LE_FAILURE(success)) return 0; |
| le_uint16 rangeCount = SWAPW(classRangeCount); |
| LEReferenceToArrayOf<GlyphRangeRecord> classRangeRecordArrayRef(base, success, &classRangeRecordArray[0], rangeCount); |
| int i; |
| |
| for (i = 0; i < rangeCount && LE_SUCCESS(success); i += 1) { |
| if (SWAPW(classRangeRecordArrayRef(i,success).rangeValue) == glyphClass) { |
| return TRUE; |
| } |
| } |
| |
| return FALSE; |
| } |
| |
| U_NAMESPACE_END |