xref: /trunk/main/canvas/source/vcl/backbuffer.hxx (revision 91c99ff4)
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21 
22 
23 
24 #ifndef _VCLCANVAS_BACKBUFFER_HXX_
25 #define _VCLCANVAS_BACKBUFFER_HXX_
26 
27 #include <vcl/virdev.hxx>
28 
29 #include <canvas/vclwrapper.hxx>
30 #include "outdevprovider.hxx"
31 
32 #include <boost/shared_ptr.hpp>
33 
34 
35 namespace vclcanvas
36 {
37     /// Background buffer abstraction
38 	class BackBuffer : public OutDevProvider
39     {
40     public:
41         /** Create a backbuffer for given reference device
42 
43         	@param bMonochromeBuffer
44             When false, default depth of reference device is
45             chosen. When true, the buffer will be monochrome, i.e. one
46             bit deep.
47          */
48         BackBuffer( const OutputDevice& rRefDevice,
49                     bool 				bMonochromeBuffer=false );
50 
51         virtual OutputDevice& 		getOutDev();
52         virtual const OutputDevice&	getOutDev() const;
53 
54         void setSize( const ::Size& rNewSize );
55 
56     private:
57         ::canvas::vcltools::VCLObject<VirtualDevice>	maVDev;
58     };
59 
60     typedef ::boost::shared_ptr< BackBuffer > BackBufferSharedPtr;
61 }
62 
63 #endif /* #ifndef _VCLCANVAS_BACKBUFFER_HXX_ */
64