drawinglayer/source/processor2d/vclhelperbufferdevice.hxx

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   5  *  $RCSfile: vclhelperbufferdevice.hxx,v $
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  35
  36 #ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
  37 #define INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
  38
  39 #include <vcl/virdev.hxx>
  40
  41 //////////////////////////////////////////////////////////////////////////////
  42 // predefines
  43
  44 namespace basegfx { class B2DRange; }
  45
  46 //////////////////////////////////////////////////////////////////////////////
  47 // support methods for vcl direct gradient renderering
  48
  49 namespace drawinglayer
  50 {
  51     class impBufferDevice
  52     {
  53         OutputDevice&                                           mrOutDev;
  54         VirtualDevice                                           maContent;
  55         VirtualDevice*                                          mpMask;
  56         VirtualDevice*                                          mpAlpha;
  57         Rectangle                                                       maDestPixel;
  58
  59     public:
  60         impBufferDevice(
  61             OutputDevice& rOutDev,
  62             const basegfx::B2DRange& rRange,
  63             bool bAddOffsetToMapping);
  64         ~impBufferDevice();
  65
  66         void paint(double fTrans = 0.0);
  67         bool isVisible() const { return !maDestPixel.IsEmpty(); }
  68         VirtualDevice& getContent() { return maContent; }
  69         VirtualDevice& getMask();
  70         VirtualDevice& getAlpha();
  71     };
  72 } // end of namespace drawinglayer
  73
  74 //////////////////////////////////////////////////////////////////////////////
  75
  76 #endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
  77
  78 // eof