xref: /trunk/main/vcl/inc/vcl/pngread.hxx (revision e1beba7d)
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21 
22 
23 
24 #ifndef _SV_PNGREAD_HXX
25 #define _SV_PNGREAD_HXX
26 
27 #include <vcl/dllapi.h>
28 #include <vcl/bitmapex.hxx>
29 #include <vector>
30 
31 // -------------
32 // - PNGReader -
33 // -------------
34 
35 namespace vcl
36 {
37 	class PNGReaderImpl;
38 
39 	class VCL_DLLPUBLIC PNGReader
40 	{
41 		PNGReaderImpl*			mpImpl;
42 
43 	public:
44 
45 		/* the PNG chunks are read within the c'tor, so the stream will
46 		be positioned at the end of the PNG */
47 		explicit PNGReader( SvStream& rStm );
48 		~PNGReader();
49 
50         /* an empty preview size hint (=default) will read the whole image
51         */
52 		BitmapEx						Read( const Size& i_rPreviewHint = Size() );
53 
54 		// retrieve every chunk that resides inside the PNG
55 		struct ChunkData
56 		{
57 			sal_uInt32					nType;
58 			std::vector< sal_uInt8 >	aData;
59 		};
60 		const std::vector< ChunkData >&	GetChunks() const;
61 
62 		void SetIgnoreGammaChunk( sal_Bool b );
63 	};
64 }
65 
66 #endif // _SV_PNGREAD_HXX
67