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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _DECODE_HXX
#define _DECODE_HXX
#include <vcl/bmpacc.hxx>
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
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