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overlaymanagerbuffered.hxx
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19 
20 #ifndef INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX
21 #define INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX
22 
25 #include <vcl/virdev.hxx>
26 #include <vcl/idle.hxx>
27 
28 
29 namespace sdr::overlay
30  {
32  {
33  // The VirtualDevice for draw window content buffering, this
34  // is the view content without overlay
36 
37  // #i73602# The VirtualDevice for OverlayPaint buffering. This
38  // is an extra device to avoid flickering of overlay paints
40 
41  // Idle for buffering
43 
44  // Range for buffering (in pixel to be independent from mapMode)
46 
47  // link for timer
48  DECL_LINK(ImpBufferTimerHandler, Timer*, void);
49 
50  // Internal methods for buffering
52  void ImpRestoreBackground() const ;
53  void ImpRestoreBackground(const vcl::Region& rRegionPixel) const;
54  void ImpSaveBackground(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice);
55 
56  OverlayManagerBuffered(OutputDevice& rOutputDevice);
57  virtual ~OverlayManagerBuffered() override;
58 
59  public:
60  static rtl::Reference<OverlayManager> create(OutputDevice& rOutputDevice);
61 
62  // complete redraw
63  virtual void completeRedraw(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice = nullptr) const override;
64 
65  // flush. Do buffered updates.
66  virtual void flush() override;
67 
68  // invalidate the given range at local OutputDevice
69  virtual void invalidateRange(const basegfx::B2DRange& rRange) override;
70  };
71 } // end of namespace sdr::overlay
72 
73 
74 #endif // INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX
75 
76 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
ScopedVclPtr< VirtualDevice > mpOutputBufferDevice
ScopedVclPtr< VirtualDevice > mpBufferDevice
virtual void completeRedraw(const vcl::Region &rRegion, OutputDevice *pPreRenderDevice=nullptr) const override
void ImpSaveBackground(const vcl::Region &rRegion, OutputDevice *pPreRenderDevice)
static rtl::Reference< OverlayManager > create(OutputDevice &rOutputDevice)
virtual void invalidateRange(const basegfx::B2DRange &rRange) override
OverlayManagerBuffered(OutputDevice &rOutputDevice)
DECL_LINK(ImpBufferTimerHandler, Timer *, void)