| /* |
| * @(#)ClassDefinitionTables.cpp 1.5 00/03/15 |
| * |
| * (C) Copyright IBM Corp. 1998, 1999, 2000, 2001 - All Rights Reserved |
| * |
| */ |
| |
| #include "LETypes.h" |
| #include "OpenTypeTables.h" |
| #include "OpenTypeUtilities.h" |
| #include "ClassDefinitionTables.h" |
| #include "LESwaps.h" |
| |
| le_int32 ClassDefinitionTable::getGlyphClass(LEGlyphID glyphID) const |
| { |
| switch(SWAPW(classFormat)) { |
| case 0: |
| return 0; |
| |
| case 1: |
| { |
| const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this; |
| |
| return f1Table->getGlyphClass(glyphID); |
| } |
| |
| case 2: |
| { |
| const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this; |
| |
| return f2Table->getGlyphClass(glyphID); |
| } |
| |
| default: |
| return 0; |
| } |
| } |
| |
| le_bool ClassDefinitionTable::hasGlyphClass(le_int32 glyphClass) const |
| { |
| switch(SWAPW(classFormat)) { |
| case 0: |
| return 0; |
| |
| case 1: |
| { |
| const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this; |
| |
| return f1Table->hasGlyphClass(glyphClass); |
| } |
| |
| case 2: |
| { |
| const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this; |
| |
| return f2Table->hasGlyphClass(glyphClass); |
| } |
| |
| default: |
| return 0; |
| } |
| } |
| |
| le_int32 ClassDefFormat1Table::getGlyphClass(LEGlyphID glyphID) const |
| { |
| LEGlyphID firstGlyph = SWAPW(startGlyph); |
| LEGlyphID lastGlyph = firstGlyph + SWAPW(glyphCount); |
| |
| if (glyphID > firstGlyph && glyphID < lastGlyph) { |
| return SWAPW(classValueArray[glyphID - firstGlyph]); |
| } |
| |
| return 0; |
| } |
| |
| le_bool ClassDefFormat1Table::hasGlyphClass(le_int32 glyphClass) const |
| { |
| le_uint16 count = SWAPW(glyphCount); |
| int i; |
| |
| for (i = 0; i < count; i += 1) { |
| if (SWAPW(classValueArray[i]) == glyphClass) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| le_int32 ClassDefFormat2Table::getGlyphClass(LEGlyphID glyphID) const |
| { |
| le_uint16 rangeCount = SWAPW(classRangeCount); |
| le_int32 rangeIndex = |
| OpenTypeUtilities::getGlyphRangeIndex(glyphID, classRangeRecordArray, rangeCount); |
| |
| if (rangeIndex < 0) { |
| return 0; |
| } |
| |
| return SWAPW(classRangeRecordArray[rangeIndex].rangeValue); |
| } |
| |
| le_bool ClassDefFormat2Table::hasGlyphClass(le_int32 glyphClass) const |
| { |
| le_uint16 rangeCount = SWAPW(classRangeCount); |
| int i; |
| |
| for (i = 0; i < rangeCount; i += 1) { |
| if (SWAPW(classRangeRecordArray[i].rangeValue) == glyphClass) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |