slideshow/source/engine/transitions/combtransition.hxx

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