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19 
20 #ifndef INCLUDED_VCL_SOURCE_FILTER_JPEG_JPEG_H
21 #define INCLUDED_VCL_SOURCE_FILTER_JPEG_JPEG_H
22 
23 #include <sal/config.h>
24 
25 #include <com/sun/star/uno/Reference.hxx>
26 #include <basegfx/vector/b2dsize.hxx>
27 #include <bitmap/BitmapWriteAccess.hxx>
28 
29 #include <jpeglib.h>
30 
31 namespace com::sun::star::task {
32     class XStatusIndicator;
33 }
34 class JPEGReader;
35 class JPEGWriter;
36 class Size;
37 class SvStream;
38 enum class GraphicFilterImportFlags;
39 
40 void jpeg_svstream_src (j_decompress_ptr cinfo, void* infile);
41 
42 void jpeg_svstream_dest (j_compress_ptr cinfo, void* outfile);
43 
44 bool    WriteJPEG( JPEGWriter* pJPEGWriter, void* pOutputStream,
45                    tools::Long nWidth, tools::Long nHeight, basegfx::B2DSize const &  aPPI, bool bGreyScale,
46                    tools::Long nQualityPercent, tools::Long aChromaSubsampling,
47                    css::uno::Reference<css::task::XStatusIndicator> const & status);
48 
49 void    ReadJPEG( JPEGReader* pJPEGReader, void* pInputStream, tools::Long* pLines,
50                   GraphicFilterImportFlags nImportFlags,
51                   BitmapScopedWriteAccess* ppAccess );
52 
53 void    Transform(void* pInputStream, void* pOutputStream, Degree10 nAngle);
54 
55 /* Expanded data source object for stdio input */
56 
57 struct SourceManagerStruct {
58     jpeg_source_mgr pub;                /* public fields */
59     SvStream*   stream;                 /* source stream */
60     JOCTET*     buffer;                 /* start of buffer */
61     boolean     start_of_file;          /* have we gotten any data yet? */
62     int         no_data_available_failures;
63 };
64 
65 #endif
66 
67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
68