sdext/source/presenter/PresenterSprite.hxx

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  31
  32 #ifndef SDEXT_PRESENTER_PRESENTER_SPRITE_HXX
  33 #define SDEXT_PRESENTER_PRESENTER_SPRITE_HXX
  34
  35 #include <com/sun/star/rendering/XCustomSprite.hpp>
  36 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  37 #include <boost/noncopyable.hpp>
  38
  39 namespace css = ::com::sun::star;
  40
  41 namespace sdext { namespace presenter {
  42
  43 /** A wrapper around a com::sun::star::rendering::XCustomSprite that allows
  44     not only setting values like size, location, and transformation but also
  45     provides read access to them.
  46     It also handles the showing and hiding of a sprite.  This includes not
  47     to show the sprite when its size is not yet defined (results in a crash)
  48     and hiding a sprite before disposing it (results in zombie sprites.)
  49 */
  50 class PresenterSprite
  51     : private ::boost::noncopyable
  52 {
  53 public:
  54     PresenterSprite (void);
  55     virtual ~PresenterSprite (void);
  56
  57     /** The given sprite canvas is used as factory to create the sprite that
  58         is wrapped by objects of this class.
  59         It is also used to call updateScreen() at (wrapped by the Update() method).
  60     */
  61     void SetFactory (
  62         const ::css::uno::Reference<css::rendering::XSpriteCanvas>& rxSpriteFactory);
  63
  64     ::css::uno::Reference<css::rendering::XCanvas> GetCanvas (void);
  65
  66     void Show (void);
  67     void Hide (void);
  68     bool IsVisible (void) const;
  69
  70     void SetPriority (const double nPriority);
  71     double GetPriority (void) const;
  72
  73     void Resize (const css::geometry::RealSize2D& rSize);
  74     css::geometry::RealSize2D GetSize (void) const;
  75
  76     void MoveTo (const css::geometry::RealPoint2D& rLocation);
  77     css::geometry::RealPoint2D GetLocation (void) const;
  78
  79     void Transform (const css::geometry::AffineMatrix2D& rTransform);
  80     css::geometry::AffineMatrix2D GetTransform (void) const;
  81
  82     void SetAlpha (const double nAlpha);
  83     double GetAlpha (void) const;
  84
  85     void Update (void);
  86
  87 private:
  88     ::css::uno::Reference<css::rendering::XSpriteCanvas> mxSpriteFactory;
  89     ::css::uno::Reference<css::rendering::XCustomSprite> mxSprite;
  90     css::geometry::RealSize2D maSize;
  91     css::geometry::RealPoint2D maLocation;
  92     css::geometry::AffineMatrix2D maTransform;
  93     bool mbIsVisible;
  94     double mnPriority;
  95     double mnAlpha;
  96
  97     void ProvideSprite (void);
  98     void DisposeSprite (void);
  99 };
 100
 101 } }
 102
 103 #endif