/*

 *

 * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved

 *

 */

#ifndef __LOOKUPS_H

#define __LOOKUPS_H

/**

 * \file

 * \internal

 */

#include "LETypes.h"

#include "OpenTypeTables.h"

U_NAMESPACE_BEGIN

enum LookupFlags

{

    lfBaselineIsLogicalEnd  = 0x0001,  // The MS spec. calls this flag "RightToLeft" but this name is more accurate 

    lfIgnoreBaseGlyphs      = 0x0002,

    lfIgnoreLigatures       = 0x0004,

    lfIgnoreMarks           = 0x0008,

    lfReservedMask          = 0x00F0,

    lfMarkAttachTypeMask    = 0xFF00,

    lfMarkAttachTypeShift   = 8

};

struct LookupSubtable

{

    le_uint16 subtableFormat;

    Offset    coverageTableOffset;

    inline le_int32  getGlyphCoverage(LEGlyphID glyphID) const;

    le_int32  getGlyphCoverage(Offset tableOffset, LEGlyphID glyphID) const;

};

struct LookupTable

{

    le_uint16       lookupType;

    le_uint16       lookupFlags;

    le_uint16       subTableCount;

    Offset          subTableOffsetArray[ANY_NUMBER];

    const LookupSubtable  *getLookupSubtable(le_uint16 subtableIndex) const;

};

struct LookupListTable

{

    le_uint16   lookupCount;

    Offset      lookupTableOffsetArray[ANY_NUMBER];

    const LookupTable *getLookupTable(le_uint16 lookupTableIndex) const;

};

inline le_int32 LookupSubtable::getGlyphCoverage(LEGlyphID glyphID) const

{

    return getGlyphCoverage(coverageTableOffset, glyphID);

}

U_NAMESPACE_END

#endif