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_CONTINUOUSKEYTIMEACTIVITYBASE_HXX
      21             : #define INCLUDED_SLIDESHOW_CONTINUOUSKEYTIMEACTIVITYBASE_HXX
      22             : 
      23             : #include "simplecontinuousactivitybase.hxx"
      24             : 
      25             : #include <basegfx/tools/keystoplerp.hxx>
      26             : #include <vector>
      27             : 
      28             : 
      29             : namespace slideshow
      30             : {
      31             :     namespace internal
      32             :     {
      33             :         /** Interpolated, key-times animation.
      34             : 
      35             :             This class implements an interpolated key-times
      36             :             animation, with continuous time.
      37             :         */
      38           0 :         class ContinuousKeyTimeActivityBase : public SimpleContinuousActivityBase
      39             :         {
      40             :         public:
      41             :             ContinuousKeyTimeActivityBase( const ActivityParameters& rParms );
      42             : 
      43             :             using SimpleContinuousActivityBase::perform;
      44             : 
      45             :             /** Hook for derived classes
      46             : 
      47             :                 This method will be called from perform(), already
      48             :                 equipped with the modified time (nMinNumberOfFrames, repeat,
      49             :                 acceleration and deceleration taken into account).
      50             : 
      51             :                 @param nIndex
      52             :                 Current index of the key times/key values.
      53             : 
      54             :                 @param nFractionalIndex
      55             :                 Fractional value from the [0,1] range, specifying
      56             :                 the position between nIndex and nIndex+1.
      57             : 
      58             :                 @param nRepeatCount
      59             :                 Number of full repeats already performed
      60             :             */
      61             :             virtual void perform( sal_uInt32    nIndex,
      62             :                                   double        nFractionalIndex,
      63             :                                   sal_uInt32    nRepeatCount ) const = 0;
      64             : 
      65             :             /// From SimpleContinuousActivityBase class
      66             :             virtual void simplePerform( double      nSimpleTime,
      67             :                                         sal_uInt32  nRepeatCount ) const SAL_OVERRIDE;
      68             : 
      69             :         private:
      70             :             const ::basegfx::tools::KeyStopLerp maLerper;
      71             :         };
      72             :     }
      73             : }
      74             : 
      75             : #endif /* INCLUDED_SLIDESHOW_CONTINUOUSKEYTIMEACTIVITYBASE_HXX */
      76             : 
      77             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */