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21 
22 
23 
24 #ifndef _CPPCANVAS_IMPLSPRITECANVAS_HXX
25 #define _CPPCANVAS_IMPLSPRITECANVAS_HXX
26 
27 #ifndef _COM_SUN_STAR_RENDERING_XSPRITECANVAS_HPP__
28 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
29 #endif
30 #include <basegfx/vector/b2dsize.hxx>
31 #include <basegfx/matrix/b2dhommatrix.hxx>
32 
33 #ifndef BOOST_SHARED_PTR_HPP_INCLUDED
34 #include <boost/shared_ptr.hpp>
35 #endif
36 
37 
38 #include <cppcanvas/spritecanvas.hxx>
39 
40 #include <implbitmapcanvas.hxx>
41 
42 
43 namespace cppcanvas
44 {
45     namespace internal
46     {
47         class ImplSpriteCanvas : public virtual SpriteCanvas, protected virtual ImplBitmapCanvas
48         {
49         public:
50             ImplSpriteCanvas( const ::com::sun::star::uno::Reference<
51                               	::com::sun::star::rendering::XSpriteCanvas >& rCanvas );
52             ImplSpriteCanvas(const ImplSpriteCanvas&);
53 
54             virtual ~ImplSpriteCanvas();
55 
56             virtual void 					setTransformation( const ::basegfx::B2DHomMatrix& rMatrix );
57 
58             virtual bool					updateScreen( bool bUpdateAll ) const;
59 
60             virtual CustomSpriteSharedPtr 	createCustomSprite( const ::basegfx::B2DSize& ) const;
61             virtual SpriteSharedPtr 		createClonedSprite( const SpriteSharedPtr& ) const;
62 
63             SpriteSharedPtr					createSpriteFromBitmaps(
64                 const ::com::sun::star::uno::Sequence<
65                 	::com::sun::star::uno::Reference<
66                 		::com::sun::star::rendering::XBitmap > >& 	animationBitmaps,
67                 sal_Int8 													interpolationMode );
68 
69             virtual CanvasSharedPtr			clone() const;
70 
71             virtual ::com::sun::star::uno::Reference<
72                 ::com::sun::star::rendering::XSpriteCanvas > 	getUNOSpriteCanvas() const;
73 
74             /** This class passes the view transformation
75                 to child sprites
76 
77                 This helper class is necessary, because the
78                 ImplSpriteCanvas object cannot hand out shared ptrs of
79                 itself, but has somehow pass an object to child
80                 sprites those can query for the canvas' view transform.
81              */
82             class TransformationArbiter
83             {
84             public:
85                 TransformationArbiter();
86 
87                 void 						setTransformation( const ::basegfx::B2DHomMatrix& rViewTransform );
88                 ::basegfx::B2DHomMatrix  	getTransformation() const;
89 
90             private:
91                 ::basegfx::B2DHomMatrix		maTransformation;
92             };
93 
94             typedef ::boost::shared_ptr< TransformationArbiter > TransformationArbiterSharedPtr;
95 
96         private:
97             // default: disabled assignment
98             ImplSpriteCanvas& operator=( const ImplSpriteCanvas& );
99 
100             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSpriteCanvas > 	mxSpriteCanvas;
101             TransformationArbiterSharedPtr															mpTransformArbiter;
102         };
103     }
104 }
105 
106 #endif /* _CPPCANVAS_IMPLSPRITECANVAS_HXX */
107