spiralwipe.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
 
#include "parametricpolypolygon.hxx"
 
 
namespace slideshow::internal {
 
class SpiralWipe : public ParametricPolyPolygon
{
public:
    SpiralWipe( sal_Int32 nElements, bool flipOnYAxis = false );
    virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
protected:
    ::basegfx::B2DPolyPolygon calcNegSpiral( double t ) const;
 
    const sal_Int32 m_elements;
    const sal_Int32 m_sqrtElements;
    const bool m_flipOnYAxis;
};
 
class BoxSnakesWipe : public SpiralWipe
{
public:
    BoxSnakesWipe( sal_Int32 nElements, bool fourBox )
        : SpiralWipe(nElements), m_fourBox(fourBox) {}
    virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
private:
    const bool m_fourBox;
};
 
 
}
 
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
 
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