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