66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
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#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
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#include "parametricpolypolygon.hxx"
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namespace slideshow::internal {
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/// Generates a snake wipe:
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class SnakeWipe : public ParametricPolyPolygon
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{
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public:
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SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis );
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virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
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protected:
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// topLeftHorizontal:
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::basegfx::B2DPolyPolygon calcSnake( double t ) const;
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// topLeftDiagonal:
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::basegfx::B2DPolyPolygon calcHalfDiagonalSnake( double t, bool in ) const;
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const sal_Int32 m_sqrtElements;
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const double m_elementEdge;
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const bool m_diagonal;
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const bool m_flipOnYAxis;
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};
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/// Generates a parallel snakes wipe:
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class ParallelSnakesWipe : public SnakeWipe
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{
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public:
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ParallelSnakesWipe( sal_Int32 nElements,
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bool diagonal, bool flipOnYAxis, bool opposite )
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: SnakeWipe( nElements, diagonal, flipOnYAxis ),
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m_opposite( opposite )
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{}
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virtual ::basegfx::B2DPolyPolygon operator () ( double t ) override;
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private:
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const bool m_opposite;
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};
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}
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#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SNAKEWIPE_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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