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/*
* @(#)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"
U_NAMESPACE_BEGIN
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;
}
U_NAMESPACE_END
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