drawinglayer/source/processor2d/vclhelperbufferdevice.hxx

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  19
  20 #ifndef INCLUDED_DRAWINGLAYER_SOURCE_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
  21 #define INCLUDED_DRAWINGLAYER_SOURCE_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
  22
  23 #include <vcl/virdev.hxx>
  24
  25
  26 // predefines
  27
  28 namespace basegfx { class B2DRange; }
  29
  30
  31 // support methods for vcl direct gradient renderering
  32
  33 namespace drawinglayer
  34 {
  35     class impBufferDevice
  36     {
  37         OutputDevice&                       mrOutDev;
  38         VclPtr<VirtualDevice>               mpContent;
  39         VclPtr<VirtualDevice>               mpMask;
  40         VclPtr<VirtualDevice>               mpAlpha;
  41         Rectangle                           maDestPixel;
  42
  43     public:
  44         impBufferDevice(
  45             OutputDevice& rOutDev,
  46             const basegfx::B2DRange& rRange);
  47         ~impBufferDevice();
  48
  49         void paint(double fTrans = 0.0);
  50         bool isVisible() const { return !maDestPixel.IsEmpty(); }
  51         VirtualDevice& getContent();
  52         VirtualDevice& getMask();
  53         VirtualDevice& getTransparence();
  54     };
  55 } // end of namespace drawinglayer
  56
  57
  58 #endif // INCLUDED_DRAWINGLAYER_SOURCE_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
  59
  60 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */