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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #if ! defined INCLUDED_SLIDESHOW_SPIRALWIPE_HXX
29*cdf0e10cSrcweir #define INCLUDED_SLIDESHOW_SPIRALWIPE_HXX
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include "parametricpolypolygon.hxx"
32*cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx>
33*cdf0e10cSrcweir #include <basegfx/point/b2dpoint.hxx>
34*cdf0e10cSrcweir 
35*cdf0e10cSrcweir 
36*cdf0e10cSrcweir namespace slideshow {
37*cdf0e10cSrcweir namespace internal {
38*cdf0e10cSrcweir 
39*cdf0e10cSrcweir /// Generates a topLeftClockWise or
40*cdf0e10cSrcweir /// bottomLeftCounterClockWise (flipOnYAxis=true) spiral wipe:
41*cdf0e10cSrcweir class SpiralWipe : public ParametricPolyPolygon
42*cdf0e10cSrcweir {
43*cdf0e10cSrcweir public:
44*cdf0e10cSrcweir     SpiralWipe( sal_Int32 nElements, bool flipOnYAxis = false );
45*cdf0e10cSrcweir     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
46*cdf0e10cSrcweir protected:
47*cdf0e10cSrcweir     ::basegfx::B2DPolyPolygon calcNegSpiral( double t ) const;
48*cdf0e10cSrcweir 
49*cdf0e10cSrcweir     const sal_Int32 m_elements;
50*cdf0e10cSrcweir     const sal_Int32 m_sqrtElements;
51*cdf0e10cSrcweir     const bool m_flipOnYAxis;
52*cdf0e10cSrcweir };
53*cdf0e10cSrcweir 
54*cdf0e10cSrcweir /// Generates a twoBoxLeft or fourBoxHorizontal wipe:
55*cdf0e10cSrcweir class BoxSnakesWipe : public SpiralWipe
56*cdf0e10cSrcweir {
57*cdf0e10cSrcweir public:
58*cdf0e10cSrcweir     BoxSnakesWipe( sal_Int32 nElements, bool fourBox = false )
59*cdf0e10cSrcweir         : SpiralWipe(nElements), m_fourBox(fourBox) {}
60*cdf0e10cSrcweir     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
61*cdf0e10cSrcweir private:
62*cdf0e10cSrcweir     const bool m_fourBox;
63*cdf0e10cSrcweir };
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir }
66*cdf0e10cSrcweir }
67*cdf0e10cSrcweir 
68*cdf0e10cSrcweir #endif /* INCLUDED_SLIDESHOW_SPIRALWIPE_HXX */
69