3 * (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
8 #include "OpenTypeTables.h"
9 #include "OpenTypeUtilities.h"
10 #include "ClassDefinitionTables.h"
15 le_int32 ClassDefinitionTable::getGlyphClass(const LETableReference& base, LEGlyphID glyphID, LEErrorCode &success) const
17 LEReferenceTo<ClassDefinitionTable> thisRef(base, success);
18 if (LE_FAILURE(success)) return 0;
20 switch(SWAPW(classFormat)) {
26 const LEReferenceTo<ClassDefFormat1Table> f1Table(thisRef, success);
27 return f1Table->getGlyphClass(f1Table, glyphID, success);
32 const LEReferenceTo<ClassDefFormat2Table> f2Table(thisRef, success);
33 return f2Table->getGlyphClass(f2Table, glyphID, success);
41 le_bool ClassDefinitionTable::hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const
43 LEReferenceTo<ClassDefinitionTable> thisRef(base, success);
44 if (LE_FAILURE(success)) return 0;
46 switch(SWAPW(classFormat)) {
52 const LEReferenceTo<ClassDefFormat1Table> f1Table(thisRef, success);
53 return f1Table->hasGlyphClass(f1Table, glyphClass, success);
58 const LEReferenceTo<ClassDefFormat2Table> f2Table(thisRef, success);
59 return f2Table->hasGlyphClass(f2Table, glyphClass, success);
67 le_int32 ClassDefFormat1Table::getGlyphClass(const LETableReference& base, LEGlyphID glyphID, LEErrorCode &success) const
69 if(LE_FAILURE(success)) return 0;
71 le_uint16 count = SWAPW(glyphCount);
72 LEReferenceToArrayOf<le_uint16> classValueArrayRef(base, success, &classValueArray[0], count);
73 TTGlyphID ttGlyphID = (TTGlyphID) LE_GET_GLYPH(glyphID);
74 TTGlyphID firstGlyph = SWAPW(startGlyph);
75 TTGlyphID lastGlyph = firstGlyph + count;
77 if (LE_SUCCESS(success) && ttGlyphID >= firstGlyph && ttGlyphID < lastGlyph) {
78 return SWAPW( classValueArrayRef(ttGlyphID - firstGlyph, success) );
84 le_bool ClassDefFormat1Table::hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const
86 if(LE_FAILURE(success)) return 0;
87 le_uint16 count = SWAPW(glyphCount);
88 LEReferenceToArrayOf<le_uint16> classValueArrayRef(base, success, &classValueArray[0], count);
91 for (i = 0; LE_SUCCESS(success)&& (i < count); i += 1) {
92 if (SWAPW(classValueArrayRef(i,success)) == glyphClass) {
100 le_int32 ClassDefFormat2Table::getGlyphClass(const LETableReference& base, LEGlyphID glyphID, LEErrorCode &success) const
102 if(LE_FAILURE(success)) return 0;
103 TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(glyphID);
104 le_uint16 rangeCount = SWAPW(classRangeCount);
105 LEReferenceToArrayOf<GlyphRangeRecord> classRangeRecordArrayRef(base, success, &classRangeRecordArray[0], rangeCount);
106 le_int32 rangeIndex =
107 OpenTypeUtilities::getGlyphRangeIndex(ttGlyph, classRangeRecordArrayRef, success);
109 if (rangeIndex < 0 || LE_FAILURE(success)) {
113 return SWAPW(classRangeRecordArrayRef(rangeIndex, success).rangeValue);
116 le_bool ClassDefFormat2Table::hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const
118 if(LE_FAILURE(success)) return 0;
119 le_uint16 rangeCount = SWAPW(classRangeCount);
120 LEReferenceToArrayOf<GlyphRangeRecord> classRangeRecordArrayRef(base, success, &classRangeRecordArray[0], rangeCount);
123 for (i = 0; i < rangeCount && LE_SUCCESS(success); i += 1) {
124 if (SWAPW(classRangeRecordArrayRef(i,success).rangeValue) == glyphClass) {