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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#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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