1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 #ifndef _DEFLATER_HXX_ 28 #define _DEFLATER_HXX_ 29 30 #include <com/sun/star/uno/Sequence.hxx> 31 32 extern "C" 33 { 34 typedef struct z_stream_s z_stream; 35 } 36 37 class Deflater 38 { 39 protected: 40 com::sun::star::uno::Sequence< sal_Int8 > sInBuffer; 41 sal_Bool bFinish; 42 sal_Bool bFinished; 43 sal_Bool bSetParams; 44 sal_Int32 nLevel, nStrategy; 45 sal_Int32 nOffset, nLength; 46 z_stream* pStream; 47 48 void init (sal_Int32 nLevel, sal_Int32 nStrategy, sal_Bool bNowrap); 49 sal_Int32 doDeflateBytes (com::sun::star::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength); 50 51 public: 52 ~Deflater(); 53 Deflater(sal_Int32 nSetLevel, sal_Bool bNowrap); 54 void SAL_CALL setInputSegment( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ); 55 void SAL_CALL setLevel( sal_Int32 nNewLevel ); 56 sal_Bool SAL_CALL needsInput( ); 57 void SAL_CALL finish( ); 58 sal_Bool SAL_CALL finished( ); 59 sal_Int32 SAL_CALL doDeflateSegment( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ); 60 sal_Int32 SAL_CALL getTotalIn( ); 61 sal_Int32 SAL_CALL getTotalOut( ); 62 void SAL_CALL reset( ); 63 void SAL_CALL end( ); 64 }; 65 66 #endif 67