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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef INCLUDED_SLIDESHOW_ANIMATION_HXX
#define INCLUDED_SLIDESHOW_ANIMATION_HXX
#include <animatableshape.hxx>
#include <shapeattributelayer.hxx>
/* Definition of Animation interface */
namespace slideshow
{
namespace internal
{
/** Interface defining a generic animation.
This interface is used by objects implementing the
Activity interface to drive the animation effect. Objects
implementing this interface will receive time-varying
animation values, which they can forward to the
appropriate attributes. The type of these animation values
is given in derived interfaces.
@see NumberAnimation
@see ColorAnimation
@see PairAnimation
*/
class Animation
{
public:
virtual ~Animation() {}
/** Notify that the animation going active soon.
Implementers should preload any buffers, and create
any expensive objects at this time.
@param rShape
Shape to apply this animation to.
@param rAttrLayer
Attribute layer to play the animation on.
*/
virtual void prefetch( const AnimatableShapeSharedPtr& rShape,
const ShapeAttributeLayerSharedPtr& rAttrLayer ) = 0;
/** Notify that the animation is about to begin.
Implementers are free to start accompanying effects,
such as sounds, and the animation timer now.
@param rShape
Shape to apply this animation to.
@param rAttrLayer
Attribute layer to play the animation on.
*/
virtual void start( const AnimatableShapeSharedPtr& rShape,
const ShapeAttributeLayerSharedPtr& rAttrLayer ) = 0;
/** Notify that the animation is about to end.
*/
virtual void end() = 0;
};
typedef ::boost::shared_ptr< Animation > AnimationSharedPtr;
}
}
#endif /* INCLUDED_SLIDESHOW_ANIMATION_HXX */
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