Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_SLIDESHOW_SNAKEWIPE_HXX
      21             : #define INCLUDED_SLIDESHOW_SNAKEWIPE_HXX
      22             : 
      23             : #include "parametricpolypolygon.hxx"
      24             : 
      25             : #include <basegfx/numeric/ftools.hxx>
      26             : #include <basegfx/point/b2dpoint.hxx>
      27             : 
      28             : 
      29             : namespace slideshow {
      30             : namespace internal {
      31             : 
      32             : /// Generates a snake wipe:
      33           0 : class SnakeWipe : public ParametricPolyPolygon
      34             : {
      35             : public:
      36             :     SnakeWipe( sal_Int32 nElements, bool diagonal, bool flipOnYAxis );
      37             :     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
      38             : 
      39             : protected:
      40             :     // topLeftHorizontal:
      41             :     ::basegfx::B2DPolyPolygon calcSnake( double t ) const;
      42             :     // topLeftDiagonal:
      43             :     ::basegfx::B2DPolyPolygon calcHalfDiagonalSnake( double t, bool in ) const;
      44             : 
      45             :     const sal_Int32 m_sqrtElements;
      46             :     const double m_elementEdge;
      47             :     const bool m_diagonal;
      48             :     const bool m_flipOnYAxis;
      49             : };
      50             : 
      51             : /// Generates a parallel snakes wipe:
      52           0 : class ParallelSnakesWipe : public SnakeWipe
      53             : {
      54             : public:
      55           0 :     ParallelSnakesWipe( sal_Int32 nElements,
      56             :                         bool diagonal, bool flipOnYAxis, bool opposite )
      57             :         : SnakeWipe( nElements, diagonal, flipOnYAxis ),
      58           0 :           m_opposite( opposite )
      59           0 :         {}
      60             :     virtual ::basegfx::B2DPolyPolygon operator () ( double t );
      61             : private:
      62             :     const bool m_opposite;
      63             : };
      64             : 
      65             : }
      66             : }
      67             : 
      68             : #endif /* INCLUDED_SLIDESHOW_SNAKEWIPE_HXX */
      69             : 
      70             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */