cppcanvas/source/wrapper/implspritecanvas.hxx

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  19
  20 #ifndef _CPPCANVAS_IMPLSPRITECANVAS_HXX
  21 #define _CPPCANVAS_IMPLSPRITECANVAS_HXX
  22
  23 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  24 #include <basegfx/vector/b2dsize.hxx>
  25 #include <basegfx/matrix/b2dhommatrix.hxx>
  26
  27 #include <boost/shared_ptr.hpp>
  28
  29
  30 #include <cppcanvas/spritecanvas.hxx>
  31
  32 #include <implcanvas.hxx>
  33
  34
  35 namespace cppcanvas
  36 {
  37     namespace internal
  38     {
  39         class ImplSpriteCanvas : public virtual SpriteCanvas, protected virtual ImplCanvas
  40         {
  41         public:
  42             ImplSpriteCanvas( const ::com::sun::star::uno::Reference<
  43                                   ::com::sun::star::rendering::XSpriteCanvas >& rCanvas );
  44             ImplSpriteCanvas(const ImplSpriteCanvas&);
  45
  46             virtual ~ImplSpriteCanvas();
  47
  48             virtual void                    setTransformation( const ::basegfx::B2DHomMatrix& rMatrix );
  49
  50             virtual bool                    updateScreen( bool bUpdateAll ) const;
  51
  52             virtual CustomSpriteSharedPtr   createCustomSprite( const ::basegfx::B2DSize& ) const;
  53             virtual SpriteSharedPtr         createClonedSprite( const SpriteSharedPtr& ) const;
  54
  55             virtual CanvasSharedPtr         clone() const;
  56
  57             virtual ::com::sun::star::uno::Reference<
  58                 ::com::sun::star::rendering::XSpriteCanvas >    getUNOSpriteCanvas() const;
  59
  60             /** This class passes the view transformation
  61                 to child sprites
  62
  63                 This helper class is necessary, because the
  64                 ImplSpriteCanvas object cannot hand out shared ptrs of
  65                 itself, but has somehow pass an object to child
  66                 sprites those can query for the canvas' view transform.
  67              */
  68             class TransformationArbiter
  69             {
  70             public:
  71                 TransformationArbiter();
  72
  73                 void                        setTransformation( const ::basegfx::B2DHomMatrix& rViewTransform );
  74                 ::basegfx::B2DHomMatrix     getTransformation() const;
  75
  76             private:
  77                 ::basegfx::B2DHomMatrix     maTransformation;
  78             };
  79
  80             typedef ::boost::shared_ptr< TransformationArbiter > TransformationArbiterSharedPtr;
  81
  82         private:
  83             // default: disabled assignment
  84             ImplSpriteCanvas& operator=( const ImplSpriteCanvas& );
  85
  86             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSpriteCanvas >    mxSpriteCanvas;
  87             TransformationArbiterSharedPtr                                                          mpTransformArbiter;
  88         };
  89     }
  90 }
  91
  92 #endif /* _CPPCANVAS_IMPLSPRITECANVAS_HXX */
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */