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#ifndef _JPEG_HXX
#define _JPEG_HXX

#include <vcl/graph.hxx>
#include <svtools/fltcall.hxx>
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/task/XStatusIndicator.hpp>

#ifdef _JPEGPRIVATE

// --------
// - Enum -
// --------

enum ReadState
{
    JPEGREAD_OK,
    JPEGREAD_ERROR,
    JPEGREAD_NEED_MORE
};

// --------------
// - JPEGReader	-
// --------------

class JPEGReader : public GraphicReader
{
    SvStream&			rIStm;
    Bitmap				aBmp;
    Bitmap				aBmp1;
    BitmapWriteAccess*	pAcc;
    BitmapWriteAccess*	pAcc1;
    void*				pBuffer;
    long				nLastPos;
    long				nFormerPos;
    long				nLastLines;
    sal_Bool            bSetLogSize;

    Graphic				CreateIntermediateGraphic( const Bitmap& rBitmap, long nLines );
    void				FillBitmap();

public:

    void*				CreateBitmap( void* JPEGCreateBitmapParam );

public:



                        JPEGReader( SvStream& rStm, void* pCallData, sal_Bool bSetLogSize );
    virtual				~JPEGReader();


    ReadState			Read( Graphic& rGraphic );
};

// --------------
// - JPEGWriter	-
// --------------

class JPEGWriter
{
    SvStream&			rOStm;
    Bitmap				aBmp;
    BitmapReadAccess*	pAcc;
    sal_uInt8*				pBuffer;
    sal_Bool				bNative;

    sal_Bool			bGreys;
    sal_Int32			nQuality;
    
    bool*               pExpWasGrey;

    com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator;

public:

    void*				GetScanline( long nY );

                        JPEGWriter( SvStream& rOStm, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData, 
                                    bool* pExportWasGrey = NULL );
                        ~JPEGWriter() {};

    sal_Bool				Write( const Graphic& rGraphic );
};

#endif // _JPEGPRIVATE

// ---------------------
// - Import/ExportJPEG -
// ---------------------

sal_Bool ImportJPEG( SvStream& rStream, Graphic& rGraphic, void* pCallerData, sal_Int32 nImportFlags );

sal_Bool ExportJPEG( SvStream& rStream,
                 const Graphic& rGraphic,
                 const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData,
                 bool* pExportWasGrey = NULL
                );

#endif // _JPEG_HXX

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