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21 
22 
23 
24 #ifndef _GIFLZWC_HXX
25 #define _GIFLZWC_HXX
26 
27 #ifndef _BMPACC_HXX
28 #include <vcl/bmpacc.hxx>
29 #endif
30 
31 // --------------------
32 // - GIFLZWCompressor -
33 // --------------------
34 
35 class	GIFImageDataOutputStream;
36 struct	GIFLZWCTreeNode;
37 
38 class GIFLZWCompressor
39 {
40 private:
41 
42 	GIFImageDataOutputStream*	pIDOS;
43 	GIFLZWCTreeNode*			pTable;
44 	GIFLZWCTreeNode*			pPrefix;
45 	sal_uInt16						nDataSize;
46 	sal_uInt16						nClearCode;
47 	sal_uInt16						nEOICode;
48 	sal_uInt16						nTableSize;
49 	sal_uInt16						nCodeSize;
50 
51 public:
52 
53 								GIFLZWCompressor();
54 								~GIFLZWCompressor();
55 
56 	void						StartCompression( SvStream& rGIF, sal_uInt16 nPixelSize );
57 	void						Compress( HPBYTE pSrc, sal_uLong nSize );
58 	void						EndCompression();
59 };
60 
61 #endif // _GIFLZWC_HXX
62