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/*
*
* (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
*
*/
#ifndef __PAIRPOSITIONINGSUBTABLES_H
#define __PAIRPOSITIONINGSUBTABLES_H
/**
* \file
* \internal
*/
#include "LETypes.h"
#include "LEFontInstance.h"
#include "OpenTypeTables.h"
#include "GlyphPositioningTables.h"
#include "ValueRecords.h"
#include "GlyphIterator.h"
U_NAMESPACE_BEGIN
// NOTE: ValueRecord has a variable size
struct PairValueRecord
{
TTGlyphID secondGlyph;
ValueRecord valueRecord1;
// ValueRecord valueRecord2;
};
struct PairSetTable
{
le_uint16 pairValueCount;
PairValueRecord pairValueRecordArray[ANY_NUMBER];
};
struct PairPositioningSubtable : GlyphPositioningSubtable
{
ValueFormat valueFormat1;
ValueFormat valueFormat2;
le_uint32 process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
};
struct PairPositioningFormat1Subtable : PairPositioningSubtable
{
le_uint16 pairSetCount;
Offset pairSetTableOffsetArray[ANY_NUMBER];
le_uint32 process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
private:
const PairValueRecord *findPairValueRecord(TTGlyphID glyphID, const PairValueRecord *records,
le_uint16 recordCount, le_uint16 recordSize) const;
};
// NOTE: ValueRecord has a variable size
struct Class2Record
{
ValueRecord valueRecord1;
// ValueRecord valurRecord2;
};
struct Class1Record
{
Class2Record class2RecordArray[ANY_NUMBER];
};
struct PairPositioningFormat2Subtable : PairPositioningSubtable
{
Offset classDef1Offset;
Offset classDef2Offset;
le_uint16 class1Count;
le_uint16 class2Count;
Class1Record class1RecordArray[ANY_NUMBER];
le_uint32 process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const;
};
U_NAMESPACE_END
#endif
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