slideshow/source/engine/transitions/combtransition.hxx

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  30
  31 #ifndef INCLUDED_SLIDESHOW_COMBTRANSITION_HXX
  32 #define INCLUDED_SLIDESHOW_COMBTRANSITION_HXX
  33
  34 #include <basegfx/polygon/b2dpolypolygon.hxx>
  35 #include "slidechangebase.hxx"
  36
  37 namespace slideshow {
  38 namespace internal {
  39
  40 /** Comb transition class.
  41
  42     This class provides a SlideChangeAnimation, showing a
  43     comb-like effect (stripes of alternating push effects).
  44 */
  45 class CombTransition : public SlideChangeBase
  46 {
  47 public:
  48     /** Create the comb transition effect.
  49
  50         @param nNumStripes
  51         Number of comb-like stripes to show in this effect
  52     */
  53     CombTransition( ::boost::optional<SlideSharedPtr> const & leavingSlide,
  54                     const SlideSharedPtr&                     pEnteringSlide,
  55                     const SoundPlayerSharedPtr&               pSoundPlayer,
  56                     const UnoViewContainer&                   rViewContainer,
  57                     ScreenUpdater&                            rScreenUpdater,
  58                     EventMultiplexer&                         rEventMultiplexer,
  59                     const ::basegfx::B2DVector&               rPushDirection,
  60                     sal_Int32                                 nNumStripes );
  61
  62     // NumberAnimation
  63     virtual bool operator()( double x );
  64
  65 private:
  66     const ::basegfx::B2DVector maPushDirectionUnit;
  67     sal_Int32                  mnNumStripes;
  68
  69     void renderComb( double t, const ViewEntry& rViewEntry ) const;
  70 };
  71
  72 } // namespace internal
  73 } // namespace presentation
  74
  75 #endif /* INCLUDED_SLIDESHOW_COMBTRANSITION_HXX */