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Diffstat (limited to 'slideshow/source/engine/transitions/snakewipe.hxx')
-rw-r--r-- | slideshow/source/engine/transitions/snakewipe.hxx | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/snakewipe.hxx b/slideshow/source/engine/transitions/snakewipe.hxx new file mode 100644 index 000000000000..7f282aa0557c --- /dev/null +++ b/slideshow/source/engine/transitions/snakewipe.hxx @@ -0,0 +1,79 @@ +/* -*- 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. + * + * OpenOffice.org 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 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: */ |