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       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_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
      21             : #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
      22             : 
      23             : #include "parametricpolypolygon.hxx"
      24             : #include <basegfx/numeric/ftools.hxx>
      25             : #include <basegfx/point/b2dpoint.hxx>
      26             : 
      27             : 
      28             : namespace slideshow {
      29             : namespace internal {
      30             : 
      31             : /// Generates a topLeftClockWise or
      32             : /// bottomLeftCounterClockWise (flipOnYAxis=true) spiral wipe:
      33           0 : class SpiralWipe : public ParametricPolyPolygon
      34             : {
      35             : public:
      36             :     SpiralWipe( sal_Int32 nElements, bool flipOnYAxis = false );
      37             :     virtual ::basegfx::B2DPolyPolygon operator () ( double t ) SAL_OVERRIDE;
      38             : protected:
      39             :     ::basegfx::B2DPolyPolygon calcNegSpiral( double t ) const;
      40             : 
      41             :     const sal_Int32 m_elements;
      42             :     const sal_Int32 m_sqrtElements;
      43             :     const bool m_flipOnYAxis;
      44             : };
      45             : 
      46             : /// Generates a twoBoxLeft or fourBoxHorizontal wipe:
      47           0 : class BoxSnakesWipe : public SpiralWipe
      48             : {
      49             : public:
      50           0 :     BoxSnakesWipe( sal_Int32 nElements, bool fourBox = false )
      51           0 :         : SpiralWipe(nElements), m_fourBox(fourBox) {}
      52             :     virtual ::basegfx::B2DPolyPolygon operator () ( double t ) SAL_OVERRIDE;
      53             : private:
      54             :     const bool m_fourBox;
      55             : };
      56             : 
      57             : }
      58             : }
      59             : 
      60             : #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SPIRALWIPE_HXX
      61             : 
      62             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */