1*f319bb99SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*f319bb99SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*f319bb99SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*f319bb99SAndrew Rist * distributed with this work for additional information 6*f319bb99SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*f319bb99SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*f319bb99SAndrew Rist * "License"); you may not use this file except in compliance 9*f319bb99SAndrew Rist * with the License. You may obtain a copy of the License at 10*f319bb99SAndrew Rist * 11*f319bb99SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*f319bb99SAndrew Rist * 13*f319bb99SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*f319bb99SAndrew Rist * software distributed under the License is distributed on an 15*f319bb99SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*f319bb99SAndrew Rist * KIND, either express or implied. See the License for the 17*f319bb99SAndrew Rist * specific language governing permissions and limitations 18*f319bb99SAndrew Rist * under the License. 19*f319bb99SAndrew Rist * 20*f319bb99SAndrew Rist *************************************************************/ 21*f319bb99SAndrew Rist 22*f319bb99SAndrew Rist 23cdf0e10cSrcweir #ifndef _DEFLATER_HXX_ 24cdf0e10cSrcweir #define _DEFLATER_HXX_ 25cdf0e10cSrcweir 26cdf0e10cSrcweir #include <com/sun/star/uno/Sequence.hxx> 27cdf0e10cSrcweir 28cdf0e10cSrcweir extern "C" 29cdf0e10cSrcweir { 30cdf0e10cSrcweir typedef struct z_stream_s z_stream; 31cdf0e10cSrcweir } 32cdf0e10cSrcweir 33cdf0e10cSrcweir class Deflater 34cdf0e10cSrcweir { 35cdf0e10cSrcweir protected: 36cdf0e10cSrcweir com::sun::star::uno::Sequence< sal_Int8 > sInBuffer; 37cdf0e10cSrcweir sal_Bool bFinish; 38cdf0e10cSrcweir sal_Bool bFinished; 39cdf0e10cSrcweir sal_Bool bSetParams; 40cdf0e10cSrcweir sal_Int32 nLevel, nStrategy; 41cdf0e10cSrcweir sal_Int32 nOffset, nLength; 42cdf0e10cSrcweir z_stream* pStream; 43cdf0e10cSrcweir 44cdf0e10cSrcweir void init (sal_Int32 nLevel, sal_Int32 nStrategy, sal_Bool bNowrap); 45cdf0e10cSrcweir sal_Int32 doDeflateBytes (com::sun::star::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength); 46cdf0e10cSrcweir 47cdf0e10cSrcweir public: 48cdf0e10cSrcweir ~Deflater(); 49cdf0e10cSrcweir Deflater(sal_Int32 nSetLevel, sal_Bool bNowrap); 50cdf0e10cSrcweir void SAL_CALL setInputSegment( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ); 51cdf0e10cSrcweir void SAL_CALL setLevel( sal_Int32 nNewLevel ); 52cdf0e10cSrcweir sal_Bool SAL_CALL needsInput( ); 53cdf0e10cSrcweir void SAL_CALL finish( ); 54cdf0e10cSrcweir sal_Bool SAL_CALL finished( ); 55cdf0e10cSrcweir sal_Int32 SAL_CALL doDeflateSegment( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ); 56cdf0e10cSrcweir sal_Int32 SAL_CALL getTotalIn( ); 57cdf0e10cSrcweir sal_Int32 SAL_CALL getTotalOut( ); 58cdf0e10cSrcweir void SAL_CALL reset( ); 59cdf0e10cSrcweir void SAL_CALL end( ); 60cdf0e10cSrcweir }; 61cdf0e10cSrcweir 62cdf0e10cSrcweir #endif 63