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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: snakewipe.hxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-07 20:59:08 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#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 presentation {
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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