libreoffice/package/inc/Deflater.hxx

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#ifndef _DEFLATER_HXX_
#define _DEFLATER_HXX_

#include <com/sun/star/uno/Sequence.hxx>

extern "C"
{
    typedef struct z_stream_s z_stream;
}

class Deflater
{
protected:
    com::sun::star::uno::Sequence< sal_Int8 > sInBuffer;
    sal_Bool                bFinish;
    sal_Bool                bFinished;
    sal_Bool                bSetParams;
    sal_Int32               nLevel, nStrategy;
    sal_Int32               nOffset, nLength;
    z_stream*               pStream;

    void init (sal_Int32 nLevel, sal_Int32 nStrategy, sal_Bool bNowrap);
    sal_Int32 doDeflateBytes (com::sun::star::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength);

public:
    ~Deflater();
    Deflater(sal_Int32 nSetLevel, sal_Bool bNowrap);
    void SAL_CALL setInputSegment( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength );
    void SAL_CALL setLevel( sal_Int32 nNewLevel );
    sal_Bool SAL_CALL needsInput(  );
    void SAL_CALL finish(  );
    sal_Bool SAL_CALL finished(  );
    sal_Int32 SAL_CALL doDeflateSegment( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength );
    sal_Int32 SAL_CALL getTotalIn(  );
    sal_Int32 SAL_CALL getTotalOut(  );
    void SAL_CALL reset(  );
    void SAL_CALL end(  );
};

#endif

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