/*

 *

 * (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