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#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
#include "parametricpolypolygon.hxx"
namespace slideshow::internal {
/// Generates a snake wipe:
class SnakeWipe :
public ParametricPolyPolygon
{
public:
SnakeWipe( sal_Int32 nElements,
bool diagonal,
bool flipOnYAxis );
virtual ::basegfx::B2DPolyPolygon
operator () (
double t ) override;
protected:
// topLeftHorizontal:
::basegfx::B2DPolyPolygon calcSnake(
double t )
const;
// topLeftDiagonal:
::basegfx::B2DPolyPolygon calcHalfDiagonalSnake(
double t,
bool in )
const;
const sal_Int32 m_sqrtElements;
const double m_elementEdge;
const bool m_diagonal;
const bool m_flipOnYAxis;
};
/// Generates a parallel snakes wipe:
class ParallelSnakesWipe :
public SnakeWipe
{
public:
ParallelSnakesWipe( sal_Int32 nElements,
bool diagonal,
bool flipOnYAxis,
bool opposite )
: SnakeWipe( nElements, diagonal, flipOnYAxis ),
m_opposite( opposite )
{}
virtual ::basegfx::B2DPolyPolygon
operator () (
double t ) override;
private:
const bool m_opposite;
};
}
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
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