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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
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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).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#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 */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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