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27 
28 #ifndef _NULLCANVAS_SPRITECANVASHELPER_HXX_
29 #define _NULLCANVAS_SPRITECANVASHELPER_HXX_
30 
31 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
32 #include <com/sun/star/rendering/XIntegerBitmap.hpp>
33 
34 #include <canvas/spriteredrawmanager.hxx>
35 
36 #include "null_canvashelper.hxx"
37 
38 namespace basegfx
39 {
40     class B2IRange;
41 }
42 
43 namespace nullcanvas
44 {
45     class SpriteCanvas;
46 
47     class SpriteCanvasHelper : public CanvasHelper
48     {
49     public:
50         SpriteCanvasHelper();
51 
52         void init( ::canvas::SpriteRedrawManager& rManager,
53                    SpriteCanvas&                  rDevice,
54                    const ::basegfx::B2ISize&      rSize,
55                    bool                           bHasAlpha );
56 
57         /// Dispose all internal references
58         void disposing();
59 
60         // XSpriteCanvas
61         ::com::sun::star::uno::Reference<
62   			::com::sun::star::rendering::XAnimatedSprite > 		createSpriteFromAnimation(
63                 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation );
64 
65         ::com::sun::star::uno::Reference<
66   			::com::sun::star::rendering::XAnimatedSprite > 		createSpriteFromBitmaps(
67                 const ::com::sun::star::uno::Sequence<
68                 	  ::com::sun::star::uno::Reference<
69                 			::com::sun::star::rendering::XBitmap > >& animationBitmaps,
70                 sal_Int8                                              interpolationMode );
71 
72         ::com::sun::star::uno::Reference<
73   			::com::sun::star::rendering::XCustomSprite > 		createCustomSprite(
74                 const ::com::sun::star::geometry::RealSize2D& spriteSize );
75 
76         ::com::sun::star::uno::Reference<
77   			::com::sun::star::rendering::XSprite > 				createClonedSprite(
78                 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original );
79 
80         /** Actually perform the screen update
81 
82             @param rCurrArea
83             Current window area in absolute screen coordinates
84 
85         	@param bUpdateAll
86             sal_True, if everything must be updated, not only changed
87             sprites
88 
89             @param io_bSurfaceDirty
90             In/out parameter, whether backbuffer surface is dirty (if
91             yes, we're performing a full update, anyway)
92          */
93         sal_Bool updateScreen( const ::basegfx::B2IRange& rCurrArea,
94                                sal_Bool                   bUpdateAll,
95                                bool&                      io_bSurfaceDirty );
96 
97 
98         // SpriteRedrawManager functor calls
99         // -------------------------------------------------
100 
101         /** Gets called for simple background repaints
102          */
103         void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
104 
105         /** Gets called when area can be handled by scrolling.
106 
107         	Called method must copy screen content from rMoveStart to
108         	rMoveEnd, and restore the background in the uncovered
109         	areas.
110 
111             @param rMoveStart
112             Source rect of the scroll
113 
114             @param rMoveEnd
115             Dest rect of the scroll
116 
117             @param rUpdateArea
118             All info necessary, should rMoveStart be partially or
119             fully outside the outdev
120          */
121         void scrollUpdate( const ::basegfx::B2DRange& 							rMoveStart,
122                            const ::basegfx::B2DRange& 							rMoveEnd,
123                            const ::canvas::SpriteRedrawManager::UpdateArea& 	rUpdateArea );
124 
125         void opaqueUpdate( const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea );
126 
127         void genericUpdate( const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea );
128 
129     private:
130         /// Set from the SpriteCanvas: instance coordinating sprite redraw
131     	::canvas::SpriteRedrawManager*	mpRedrawManager;
132     };
133 }
134 
135 #endif /* _NULLCANVAS_SPRITECANVASHELPER_HXX_ */
136 
137