slideshow/source/engine/transitions/snakewipe.hxx

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  19
  20 #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
  22
  23 #include "parametricpolypolygon.hxx"
  24
  25
  26 namespace slideshow::internal {
  27
  28 /// Generates a snake wipe:
  29 class SnakeWipe : public ParametricPolyPolygon
  30 {
  31 public:
  32     SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis );
  33     virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
  34
  35 protected:
  36     // topLeftHorizontal:
  37     ::basegfx::B2DPolyPolygon calcSnake( double t ) const;
  38     // topLeftDiagonal:
  39     ::basegfx::B2DPolyPolygon calcHalfDiagonalSnake( double t, bool in ) const;
  40
  41     const sal_Int32 m_sqrtElements;
  42     const double m_elementEdge;
  43     const bool m_diagonal;
  44     const bool m_flipOnYAxis;
  45 };
  46
  47 /// Generates a parallel snakes wipe:
  48 class ParallelSnakesWipe : public SnakeWipe
  49 {
  50 public:
  51     ParallelSnakesWipe( sal_Int32 nElements,
  52                         bool diagonal, bool flipOnYAxis, bool opposite )
  53         : SnakeWipe( nElements, diagonal, flipOnYAxis ),
  54           m_opposite( opposite )
  55         {}
  56     virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
  57 private:
  58     const bool m_opposite;
  59 };
  60
  61
  62 }
  63
  64 #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */