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21 
22 
23 
24 #ifndef INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX
25 #define INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX
26 
27 #include <sal/types.h>
28 
29 #include <boost/shared_ptr.hpp>
30 
31 
32 namespace basegfx
33 {
34     class B2IRange;
35     class B2IPoint;
36 }
37 
38 namespace canvas
39 {
40     /** Objects with this interface are returned from every Bitmap
41         render operation.
42 
43         These objects can be used to implement the
44         rendering::XCachedPrimitive interface, which in turn caches
45         render state and objects to facilitate quick redraws.
46      */
47 	struct ICachedPrimitive
48 	{
~ICachedPrimitivecanvas::ICachedPrimitive49         virtual ~ICachedPrimitive() {}
50 
51         /** Redraw the primitive with the given view state
52 
53             Note that the primitive will <em>always</em> be redrawn on
54             the bitmap it was created from.
55          */
56         virtual sal_Int8 redraw( const ::com::sun::star::rendering::ViewState& aState ) const = 0;
57 	};
58 
59     typedef ::boost::shared_ptr< ICachedPrimitive > ICachedPrimitiveSharedPtr;
60 }
61 
62 #endif /* INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX */
63