slideshow/source/engine/shapes/viewbackgroundshape.hxx

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  30
  31 #ifndef INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX
  32 #define INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX
  33
  34 #include <com/sun/star/uno/Reference.hxx>
  35 #include <com/sun/star/rendering/XBitmap.hpp>
  36
  37 #include <basegfx/range/b2drectangle.hxx>
  38 #include <basegfx/matrix/b2dhommatrix.hxx>
  39 #include <cppcanvas/spritecanvas.hxx>
  40
  41 #include <boost/shared_ptr.hpp>
  42 #include <boost/utility.hpp>
  43
  44 #include "gdimtftools.hxx"
  45 #include "viewlayer.hxx"
  46
  47
  48 namespace slideshow
  49 {
  50     namespace internal
  51     {
  52         /** This class is the viewable representation of a draw
  53             document's background, associated to a specific View
  54
  55             The class is able to render the associated background on
  56             View implementations.
  57          */
  58         class ViewBackgroundShape : private boost::noncopyable
  59         {
  60         public:
  61             /** Create a ViewBackgroundShape for the given View
  62
  63                 @param rView
  64                 The associated View object.
  65
  66                 @param rShapeBounds
  67                 Bounds of the background shape, in document coordinate
  68                 system.
  69              */
  70             ViewBackgroundShape( const ViewLayerSharedPtr&              rViewLayer,
  71                                  const ::basegfx::B2DRectangle& rShapeBounds );
  72
  73             /** Query the associated view layer of this shape
  74              */
  75             ViewLayerSharedPtr getViewLayer() const;
  76
  77             bool render( const GDIMetaFileSharedPtr& rMtf ) const;
  78
  79         private:
  80             /** Prefetch bitmap for given canvas
  81              */
  82             bool prefetch( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
  83                            const GDIMetaFileSharedPtr&                  rMtf ) const;
  84
  85             /** The view layer this object is part of.
  86              */
  87             ViewLayerSharedPtr                                                                  mpViewLayer;
  88
  89             /// Generated content bitmap, already with correct output size
  90             mutable ::com::sun::star::uno::Reference<
  91                 ::com::sun::star::rendering::XBitmap >  mxBitmap;
  92
  93             /// The last metafile a render object was generated for
  94             mutable GDIMetaFileSharedPtr                                                mpLastMtf;
  95
  96             /// The canvas, mpRenderer is associated with
  97             mutable ::basegfx::B2DHomMatrix                                             maLastTransformation;
  98
  99             const ::basegfx::B2DRectangle                                               maBounds;
 100         };
 101
 102         typedef ::boost::shared_ptr< ViewBackgroundShape > ViewBackgroundShapeSharedPtr;
 103
 104     }
 105 }
 106
 107 #endif /* INCLUDED_SLIDESHOW_VIEWBACKGROUNDSHAPE_HXX */