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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_COMBTRANSITION_HXX
      21                 :            : #define INCLUDED_SLIDESHOW_COMBTRANSITION_HXX
      22                 :            : 
      23                 :            : #include <basegfx/polygon/b2dpolypolygon.hxx>
      24                 :            : #include "slidechangebase.hxx"
      25                 :            : 
      26                 :            : namespace slideshow {
      27                 :            : namespace internal {
      28                 :            : 
      29                 :            : /** Comb transition class.
      30                 :            : 
      31                 :            :     This class provides a SlideChangeAnimation, showing a
      32                 :            :     comb-like effect (stripes of alternating push effects).
      33                 :            : */
      34                 :          0 : class CombTransition : public SlideChangeBase
      35                 :            : {
      36                 :            : public:
      37                 :            :     /** Create the comb transition effect.
      38                 :            : 
      39                 :            :         @param nNumStripes
      40                 :            :         Number of comb-like stripes to show in this effect
      41                 :            :     */
      42                 :            :     CombTransition( ::boost::optional<SlideSharedPtr> const & leavingSlide,
      43                 :            :                     const SlideSharedPtr&                     pEnteringSlide,
      44                 :            :                     const SoundPlayerSharedPtr&               pSoundPlayer,
      45                 :            :                     const UnoViewContainer&                   rViewContainer,
      46                 :            :                     ScreenUpdater&                            rScreenUpdater,
      47                 :            :                     EventMultiplexer&                         rEventMultiplexer,
      48                 :            :                     const ::basegfx::B2DVector&               rPushDirection,
      49                 :            :                     sal_Int32                                 nNumStripes );
      50                 :            : 
      51                 :            :     // NumberAnimation
      52                 :            :     virtual bool operator()( double x );
      53                 :            : 
      54                 :            : private:
      55                 :            :     const ::basegfx::B2DVector maPushDirectionUnit;
      56                 :            :     sal_Int32                  mnNumStripes;
      57                 :            : 
      58                 :            :     void renderComb( double t, const ViewEntry& rViewEntry ) const;
      59                 :            : };
      60                 :            : 
      61                 :            : } // namespace internal
      62                 :            : } // namespace presentation
      63                 :            : 
      64                 :            : #endif /* INCLUDED_SLIDESHOW_COMBTRANSITION_HXX */
      65                 :            : 
      66                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */