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27 
28 #if ! defined INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX
29 #define INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX
30 
31 #include "parametricpolypolygon.hxx"
32 #include "transitiontools.hxx"
33 
34 
35 namespace slideshow {
36 namespace internal {
37 
38 /// Generates a horizontal, left-to-right bar wipe:
39 class BarWipePolyPolygon : public ParametricPolyPolygon
40 {
41 public:
42     BarWipePolyPolygon( sal_Int32 nBars = 1 /* nBars > 1: blinds effect */ )
43         : m_nBars(nBars),
44           m_unitRect( createUnitRect() )
45         {}
46     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
47 private:
48     const sal_Int32 m_nBars;
49     const ::basegfx::B2DPolygon m_unitRect;
50 };
51 
52 }
53 }
54 
55 #endif /* INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX */
56