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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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