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Diffstat (limited to 'svtools/source/filter.vcl/igif/decode.hxx')
-rw-r--r-- | svtools/source/filter.vcl/igif/decode.hxx | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/svtools/source/filter.vcl/igif/decode.hxx b/svtools/source/filter.vcl/igif/decode.hxx new file mode 100644 index 000000000000..da5d06157533 --- /dev/null +++ b/svtools/source/filter.vcl/igif/decode.hxx @@ -0,0 +1,102 @@ +/************************************************************************* + * + * $RCSfile: decode.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:58:59 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _DECODE_HXX +#define _DECODE_HXX + +#ifndef _BMPACC_HXX +#include <vcl/bmpacc.hxx> +#endif + +struct GIFLZWTableEntry; + +class GIFLZWDecompressor +{ + GIFLZWTableEntry* pTable; + HPBYTE pOutBuf; + HPBYTE pOutBufData; + HPBYTE pBlockBuf; + ULONG nInputBitsBuf; + USHORT nTableSize; + USHORT nClearCode; + USHORT nEOICode; + USHORT nCodeSize; + USHORT nOldCode; + USHORT nOutBufDataLen; + USHORT nInputBitsBufSize; + BOOL bEOIFound; + BYTE nDataSize; + BYTE nBlockBufSize; + BYTE nBlockBufPos; + + void AddToTable(USHORT nPrevCode, USHORT nCodeFirstData); + BOOL ProcessOneCode(); + + +public: + + GIFLZWDecompressor( BYTE cDataSize ); + ~GIFLZWDecompressor(); + + HPBYTE DecompressBlock( HPBYTE pSrc, BYTE cBufSize, ULONG& rCount, BOOL& rEOI ); +}; + +#endif |