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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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* version 3 along with OpenOffice.org. If not, see
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#if ! defined INCLUDED_SLIDESHOW_SNAKEWIPE_HXX
#define INCLUDED_SLIDESHOW_SNAKEWIPE_HXX
#include "parametricpolypolygon.hxx"
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/point/b2dpoint.hxx>
namespace slideshow {
namespace internal {
/// Generates a snake wipe:
class SnakeWipe : public ParametricPolyPolygon
{
public:
SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis );
virtual ::basegfx::B2DPolyPolygon operator () ( double t );
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 );
private:
const bool m_opposite;
};
}
}
#endif /* INCLUDED_SLIDESHOW_SNAKEWIPE_HXX */
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