binfilter/inc/bf_svtools/jpeg.hxx

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  30
  31 #ifndef _JPEG_HXX
  32 #define _JPEG_HXX
  33
  34 #ifndef _GRAPH_HXX
  35 #include <vcl/graph.hxx>
  36 #endif
  37 #ifndef _FLTCALL_HXX
  38 #include <bf_svtools/fltcall.hxx>
  39 #endif
  40 #ifndef _COM_SUN_STAR_UNO_SEQUENCE_H_
  41 #include <com/sun/star/uno/Sequence.h>
  42 #endif
  43 #ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_
  44 #include <com/sun/star/beans/PropertyValue.hpp>
  45 #endif
  46 #ifndef _COM_SUN_STAR_TASK_XSTATUSINDICATOR_HPP_
  47 #include <com/sun/star/task/XStatusIndicator.hpp>
  48 #endif
  49
  50 namespace binfilter
  51 {
  52
  53 #ifdef _JPEGPRIVATE
  54
  55 // --------
  56 // - Enum -
  57 // --------
  58
  59 enum ReadState
  60 {
  61     JPEGREAD_OK,
  62     JPEGREAD_ERROR,
  63     JPEGREAD_NEED_MORE
  64 };
  65
  66 // --------------
  67 // - JPEGReader -
  68 // --------------
  69
  70 class JPEGReader : public GraphicReader
  71 {
  72     SvStream&                   rIStm;
  73     Bitmap                              aBmp;
  74     Bitmap                              aBmp1;
  75     BitmapWriteAccess*  pAcc;
  76     BitmapWriteAccess*  pAcc1;
  77     void*                               pBuffer;
  78     long                                nLastPos;
  79     long                                nFormerPos;
  80     long                                nLastLines;
  81     sal_Bool            bSetLogSize;
  82
  83     Graphic                             CreateIntermediateGraphic( const Bitmap& rBitmap, long nLines );
  84     void                                FillBitmap();
  85
  86 public:
  87
  88     void*                               CreateBitmap( void* JPEGCreateBitmapParam );
  89
  90 public:
  91
  92
  93
  94                         JPEGReader( SvStream& rStm, void* pCallData, sal_Bool bSetLogSize );
  95     virtual                             ~JPEGReader();
  96
  97
  98     ReadState                   Read( Graphic& rGraphic );
  99 };
 100
 101 // --------------
 102 // - JPEGWriter -
 103 // --------------
 104
 105 class JPEGWriter
 106 {
 107     SvStream&                   rOStm;
 108     Bitmap                              aBmp;
 109     BitmapReadAccess*   pAcc;
 110     BYTE*                               pBuffer;
 111     BOOL                                bNative;
 112
 113     sal_Bool                    bGreys;
 114     sal_Int32                   nQuality;
 115
 116     com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator;
 117
 118 public:
 119
 120     void*                               GetScanline( long nY );
 121
 122                         JPEGWriter( SvStream& rOStm, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData );
 123                         ~JPEGWriter() {};
 124
 125     BOOL                                Write( const Graphic& rGraphic );
 126 };
 127
 128 #endif // _JPEGPRIVATE
 129
 130 // ---------------------
 131 // - Import/ExportJPEG -
 132 // ---------------------
 133
 134 BOOL ImportJPEG( SvStream& rStream, Graphic& rGraphic, void* pCallerData, sal_Int32 nImportFlags );
 135
 136 BOOL ExportJPEG( SvStream& rStream, const Graphic& rGraphic, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >* pFilterData );
 137
 138 }
 139
 140 #endif // _JPEG_HXX