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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #ifndef INCLUDED_SLIDESHOW_COMBTRANSITION_HXX
29*cdf0e10cSrcweir #define INCLUDED_SLIDESHOW_COMBTRANSITION_HXX
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include <basegfx/polygon/b2dpolypolygon.hxx>
32*cdf0e10cSrcweir #include "slidechangebase.hxx"
33*cdf0e10cSrcweir 
34*cdf0e10cSrcweir namespace slideshow {
35*cdf0e10cSrcweir namespace internal {
36*cdf0e10cSrcweir 
37*cdf0e10cSrcweir /** Comb transition class.
38*cdf0e10cSrcweir 
39*cdf0e10cSrcweir     This class provides a SlideChangeAnimation, showing a
40*cdf0e10cSrcweir     comb-like effect (stripes of alternating push effects).
41*cdf0e10cSrcweir */
42*cdf0e10cSrcweir class CombTransition : public SlideChangeBase
43*cdf0e10cSrcweir {
44*cdf0e10cSrcweir public:
45*cdf0e10cSrcweir     /** Create the comb transition effect.
46*cdf0e10cSrcweir 
47*cdf0e10cSrcweir         @param nNumStripes
48*cdf0e10cSrcweir         Number of comb-like stripes to show in this effect
49*cdf0e10cSrcweir     */
50*cdf0e10cSrcweir     CombTransition( ::boost::optional<SlideSharedPtr> const & leavingSlide,
51*cdf0e10cSrcweir                     const SlideSharedPtr&                     pEnteringSlide,
52*cdf0e10cSrcweir                     const SoundPlayerSharedPtr&               pSoundPlayer,
53*cdf0e10cSrcweir                     const UnoViewContainer&                   rViewContainer,
54*cdf0e10cSrcweir                     ScreenUpdater&                            rScreenUpdater,
55*cdf0e10cSrcweir                     EventMultiplexer&                         rEventMultiplexer,
56*cdf0e10cSrcweir                     const ::basegfx::B2DVector&               rPushDirection,
57*cdf0e10cSrcweir                     sal_Int32                                 nNumStripes );
58*cdf0e10cSrcweir 
59*cdf0e10cSrcweir     // NumberAnimation
60*cdf0e10cSrcweir     virtual bool operator()( double x );
61*cdf0e10cSrcweir 
62*cdf0e10cSrcweir private:
63*cdf0e10cSrcweir     const ::basegfx::B2DVector maPushDirectionUnit;
64*cdf0e10cSrcweir     sal_Int32                  mnNumStripes;
65*cdf0e10cSrcweir 
66*cdf0e10cSrcweir     void renderComb( double t, const ViewEntry& rViewEntry ) const;
67*cdf0e10cSrcweir };
68*cdf0e10cSrcweir 
69*cdf0e10cSrcweir } // namespace internal
70*cdf0e10cSrcweir } // namespace presentation
71*cdf0e10cSrcweir 
72*cdf0e10cSrcweir #endif /* INCLUDED_SLIDESHOW_COMBTRANSITION_HXX */
73