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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_CONTINUOUSKEYTIMEACTIVITYBASE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_CONTINUOUSKEYTIMEACTIVITYBASE_HXX
#include "simplecontinuousactivitybase.hxx"
#include <basegfx/utils/keystoplerp.hxx>
namespace slideshow
{
namespace internal
{
/** Interpolated, key-times animation.
This class implements an interpolated key-times
animation, with continuous time.
*/
class ContinuousKeyTimeActivityBase : public SimpleContinuousActivityBase
{
public:
explicit ContinuousKeyTimeActivityBase( const ActivityParameters& rParms );
using SimpleContinuousActivityBase::perform;
/** Hook for derived classes
This method will be called from perform(), already
equipped with the modified time (nMinNumberOfFrames, repeat,
acceleration and deceleration taken into account).
@param nIndex
Current index of the key times/key values.
@param nFractionalIndex
Fractional value from the [0,1] range, specifying
the position between nIndex and nIndex+1.
@param nRepeatCount
Number of full repeats already performed
*/
virtual void perform( sal_uInt32 nIndex,
double nFractionalIndex,
sal_uInt32 nRepeatCount ) const = 0;
/// From SimpleContinuousActivityBase class
virtual void simplePerform( double nSimpleTime,
sal_uInt32 nRepeatCount ) const override;
private:
const ::basegfx::utils::KeyStopLerp maLerper;
};
}
}
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_CONTINUOUSKEYTIMEACTIVITYBASE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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