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Diffstat (limited to 'filter/source/graphicfilter/egif/giflzwc.hxx')
-rw-r--r-- | filter/source/graphicfilter/egif/giflzwc.hxx | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/filter/source/graphicfilter/egif/giflzwc.hxx b/filter/source/graphicfilter/egif/giflzwc.hxx new file mode 100644 index 000000000000..75048b0f8ff5 --- /dev/null +++ b/filter/source/graphicfilter/egif/giflzwc.hxx @@ -0,0 +1,65 @@ +/************************************************************************* + * + * 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 _GIFLZWC_HXX +#define _GIFLZWC_HXX + +#ifndef _BMPACC_HXX +#include <vcl/bmpacc.hxx> +#endif + +// -------------------- +// - GIFLZWCompressor - +// -------------------- + +class GIFImageDataOutputStream; +struct GIFLZWCTreeNode; + +class GIFLZWCompressor +{ +private: + + GIFImageDataOutputStream* pIDOS; + GIFLZWCTreeNode* pTable; + GIFLZWCTreeNode* pPrefix; + USHORT nDataSize; + USHORT nClearCode; + USHORT nEOICode; + USHORT nTableSize; + USHORT nCodeSize; + +public: + + GIFLZWCompressor(); + ~GIFLZWCompressor(); + + void StartCompression( SvStream& rGIF, USHORT nPixelSize ); + void Compress( HPBYTE pSrc, ULONG nSize ); + void EndCompression(); +}; + +#endif // _GIFLZWC_HXX |