/*

 * %W% %E%

 *

 * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved

 *

 */

#ifndef __GLYPHSUBSTITUTIONLOOKUPPROCESSOR_H

#define __GLYPHSUBSTITUTIONLOOKUPPROCESSOR_H

/**

 * \file

 * \internal

 */

#include "LETypes.h"

#include "LEGlyphFilter.h"

#include "LEFontInstance.h"

#include "OpenTypeTables.h"

#include "Lookups.h"

#include "Features.h"

#include "GlyphDefinitionTables.h"

#include "GlyphSubstitutionTables.h"

#include "GlyphIterator.h"

#include "LookupProcessor.h"

U_NAMESPACE_BEGIN

class GlyphSubstitutionLookupProcessor : public LookupProcessor

{

public:

    GlyphSubstitutionLookupProcessor(const GlyphSubstitutionTableHeader *glyphSubstitutionTableHeader,

        LETag scriptTag, LETag languageTag, const LEGlyphFilter *filter = NULL, const LETag *featureOrder = NULL);

    virtual ~GlyphSubstitutionLookupProcessor();

    virtual le_uint32 applySubtable(const LookupSubtable *lookupSubtable, le_uint16 lookupType, GlyphIterator *glyphIterator,

        const LEFontInstance *fontInstance, LEErrorCode& success) const;

protected:

    GlyphSubstitutionLookupProcessor();

private:

    const LEGlyphFilter *fFilter;

    GlyphSubstitutionLookupProcessor(const GlyphSubstitutionLookupProcessor &other); // forbid copying of this class

    GlyphSubstitutionLookupProcessor &operator=(const GlyphSubstitutionLookupProcessor &other); // forbid copying of this class

};

U_NAMESPACE_END

#endif