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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_SPIRALWIPE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
#include "parametricpolypolygon.hxx"
namespace slideshow::internal {
/// Generates a topLeftClockWise or
/// bottomLeftCounterClockWise (flipOnYAxis=true) spiral wipe:
class SpiralWipe : public ParametricPolyPolygon
{
public:
SpiralWipe( sal_Int32 nElements, bool flipOnYAxis = false );
virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
protected:
::basegfx::B2DPolyPolygon calcNegSpiral( double t ) const;
const sal_Int32 m_elements;
const sal_Int32 m_sqrtElements;
const bool m_flipOnYAxis;
};
/// Generates a twoBoxLeft or fourBoxHorizontal wipe:
class BoxSnakesWipe : public SpiralWipe
{
public:
BoxSnakesWipe( sal_Int32 nElements, bool fourBox )
: SpiralWipe(nElements), m_fourBox(fourBox) {}
virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
private:
const bool m_fourBox;
};
}
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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