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27 
28 #ifndef INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX
29 #define INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX
30 
31 #include <com/sun/star/uno/Reference.hxx>
32 #include <com/sun/star/rendering/XBitmap.hpp>
33 
34 #include <basegfx/range/b2drectangle.hxx>
35 #include <basegfx/matrix/b2dhommatrix.hxx>
36 #include <cppcanvas/spritecanvas.hxx>
37 
38 #include <boost/shared_ptr.hpp>
39 #include <boost/utility.hpp>
40 
41 #include "gdimtftools.hxx"
42 #include "viewlayer.hxx"
43 
44 
45 namespace slideshow
46 {
47     namespace internal
48     {
49         /** This class is the viewable representation of a draw
50             document's background, associated to a specific View
51 
52             The class is able to render the associated background on
53             View implementations.
54          */
55         class ViewBackgroundShape : private boost::noncopyable
56         {
57         public:
58             /** Create a ViewBackgroundShape for the given View
59 
60             	@param rView
61                 The associated View object.
62 
63                 @param rShapeBounds
64                 Bounds of the background shape, in document coordinate
65                 system.
66              */
67             ViewBackgroundShape( const ViewLayerSharedPtr& 		rViewLayer,
68                                  const ::basegfx::B2DRectangle&	rShapeBounds );
69 
70 			/** Query the associated view layer of this shape
71              */
72             ViewLayerSharedPtr getViewLayer() const;
73 
74             bool render( const GDIMetaFileSharedPtr& rMtf ) const;
75 
76         private:
77             /** Prefetch bitmap for given canvas
78              */
79             bool prefetch( const ::cppcanvas::CanvasSharedPtr&	rDestinationCanvas,
80                            const GDIMetaFileSharedPtr&			rMtf ) const;
81 
82             /** The view layer this object is part of.
83              */
84             ViewLayerSharedPtr									mpViewLayer;
85 
86             /// Generated content bitmap, already with correct output size
87             mutable ::com::sun::star::uno::Reference<
88                 ::com::sun::star::rendering::XBitmap >	mxBitmap;
89 
90             /// The last metafile a render object was generated for
91             mutable GDIMetaFileSharedPtr						mpLastMtf;
92 
93             /// The canvas, mpRenderer is associated with
94             mutable ::basegfx::B2DHomMatrix						maLastTransformation;
95 
96             const ::basegfx::B2DRectangle						maBounds;
97         };
98 
99         typedef ::boost::shared_ptr< ViewBackgroundShape > ViewBackgroundShapeSharedPtr;
100 
101     }
102 }
103 
104 #endif /* INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX */
105