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21 
22 
23 
24 #if ! defined INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX
25 #define INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX
26 
27 #include "parametricpolypolygon.hxx"
28 #include "transitiontools.hxx"
29 
30 
31 namespace slideshow {
32 namespace internal {
33 
34 /// Generates a horizontal, left-to-right bar wipe:
35 class BarWipePolyPolygon : public ParametricPolyPolygon
36 {
37 public:
BarWipePolyPolygon(sal_Int32 nBars=1)38     BarWipePolyPolygon( sal_Int32 nBars = 1 /* nBars > 1: blinds effect */ )
39         : m_nBars(nBars),
40           m_unitRect( createUnitRect() )
41         {}
42     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
43 private:
44     const sal_Int32 m_nBars;
45     const ::basegfx::B2DPolygon m_unitRect;
46 };
47 
48 }
49 }
50 
51 #endif /* INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX */
52