xref: /aoo42x/main/canvas/source/vcl/backbuffer.hxx (revision cdf0e10c)
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27 
28 #ifndef _VCLCANVAS_BACKBUFFER_HXX_
29 #define _VCLCANVAS_BACKBUFFER_HXX_
30 
31 #include <vcl/virdev.hxx>
32 
33 #include <canvas/vclwrapper.hxx>
34 #include "outdevprovider.hxx"
35 
36 #include <boost/shared_ptr.hpp>
37 
38 
39 namespace vclcanvas
40 {
41     /// Background buffer abstraction
42 	class BackBuffer : public OutDevProvider
43     {
44     public:
45         /** Create a backbuffer for given reference device
46 
47         	@param bMonochromeBuffer
48             When false, default depth of reference device is
49             chosen. When true, the buffer will be monochrome, i.e. one
50             bit deep.
51          */
52         BackBuffer( const OutputDevice& rRefDevice,
53                     bool 				bMonochromeBuffer=false );
54 
55         virtual OutputDevice& 		getOutDev();
56         virtual const OutputDevice&	getOutDev() const;
57 
58         void setSize( const ::Size& rNewSize );
59 
60     private:
61         ::canvas::vcltools::VCLObject<VirtualDevice>	maVDev;
62     };
63 
64     typedef ::boost::shared_ptr< BackBuffer > BackBufferSharedPtr;
65 }
66 
67 #endif /* #ifndef _VCLCANVAS_BACKBUFFER_HXX_ */
68