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27 
28 #ifndef _VCLCANVAS_SPRITESURFACE_HXX
29 #define _VCLCANVAS_SPRITESURFACE_HXX
30 
31 #include <sal/config.h>
32 
33 #include "cairo_sprite.hxx"
34 
35 class Point;
36 class Size;
37 class Rectangle;
38 
39 namespace cairocanvas
40 {
41 	/* Definition of SpriteSurface interface */
42 
43     class SpriteSurface
44     {
45     public:
46         virtual ~SpriteSurface() {}
47 
48         // call this when XSprite::show() is called
49         virtual void showSprite( const Sprite::ImplRef& sprite ) = 0;
50 
51         // call this when XSprite::hide() is called
52         virtual void hideSprite( const Sprite::ImplRef& sprite ) = 0;
53 
54         // call this when XSprite::move() is called
55         virtual void moveSprite( const Sprite::ImplRef&	sprite,
56                                  const Point& 			rOldPos,
57                                  const Point& 			rNewPos,
58                                  const Size& 			rSpriteSize ) = 0;
59 
60         // call this when some part of your sprite has changed. That
61         // includes show/hide�, i.e. for show, both showSprite and
62         // updateSprite must be called.
63         virtual void updateSprite( const Sprite::ImplRef& 	sprite,
64                                    const Point& 			rPos,
65                                    const Rectangle& 		rUpdateArea ) = 0;
66 
67     };
68 }
69 
70 #endif /* _VCLCANVAS_SPRITESURFACE_HXX */
71