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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: continuouskeytimeactivitybase.hxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: kz $ $Date: 2006-12-13 15:26:18 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _SLIDESHOW_CONTINUOUSKEYTIMEACTIVITYBASE_HXX
#define _SLIDESHOW_CONTINUOUSKEYTIMEACTIVITYBASE_HXX
#include <simplecontinuousactivitybase.hxx>
#include <vector>
namespace slideshow
{
namespace internal
{
/** Interpolated, key-times animation.
This class implements an interpolated key-times
animation, with continuous time.
*/
class ContinuousKeyTimeActivityBase : public SimpleContinuousActivityBase
{
public:
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;
private:
const ::std::vector< double > maKeyTimes;
/// last active index in maKeyTimes (to avoid frequent searching)
mutable ::std::size_t mnLastIndex;
};
}
}
#endif /* _SLIDESHOW_CONTINUOUSKEYTIMEACTIVITYBASE_HXX */
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