/* -*- 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 {
/// Generates a topLeftClockWise or
/// bottomLeftCounterClockWise (flipOnYAxis=true) spiral wipe:
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;
};
/// Generates a twoBoxLeft or fourBoxHorizontal wipe:
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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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