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#if ! defined INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX
#define INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX

#include "parametricpolypolygon.hxx"
#include "transitiontools.hxx"


namespace slideshow {
namespace internal {

/// Generates a horizontal, left-to-right bar wipe:
class BarWipePolyPolygon : public ParametricPolyPolygon
{
public:
    BarWipePolyPolygon( sal_Int32 nBars = 1 /* nBars > 1: blinds effect */ )
        : m_nBars(nBars),
          m_unitRect( createUnitRect() )
        {}
    virtual ::basegfx::B2DPolyPolygon operator () ( double t );
private:
    const sal_Int32 m_nBars;
    const ::basegfx::B2DPolygon m_unitRect;
};

}
}

#endif /* INCLUDED_SLIDESHOW_BARWIPEPOLYPOLYGON_HXX */