97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef INCLUDED_SLIDESHOW_ANIMATION_HXX
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#define INCLUDED_SLIDESHOW_ANIMATION_HXX
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#include <animatableshape.hxx>
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#include <shapeattributelayer.hxx>
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/* Definition of Animation interface */
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namespace slideshow
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{
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namespace internal
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{
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/** Interface defining a generic animation.
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This interface is used by objects implementing the
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Activity interface to drive the animation effect. Objects
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implementing this interface will receive time-varying
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animation values, which they can forward to the
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appropriate attributes. The type of these animation values
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is given in derived interfaces.
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@see NumberAnimation
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@see ColorAnimation
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@see PairAnimation
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*/
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class Animation
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{
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public:
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virtual ~Animation() {}
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/** Notify that the animation going active soon.
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Implementers should preload any buffers, and create
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any expensive objects at this time.
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@param rShape
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Shape to apply this animation to.
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@param rAttrLayer
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Attribute layer to play the animation on.
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*/
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virtual void prefetch( const AnimatableShapeSharedPtr& rShape,
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const ShapeAttributeLayerSharedPtr& rAttrLayer ) = 0;
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/** Notify that the animation is about to begin.
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Implementers are free to start accompanying effects,
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such as sounds, and the animation timer now.
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@param rShape
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Shape to apply this animation to.
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@param rAttrLayer
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Attribute layer to play the animation on.
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*/
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virtual void start( const AnimatableShapeSharedPtr& rShape,
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const ShapeAttributeLayerSharedPtr& rAttrLayer ) = 0;
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/** Notify that the animation is about to end.
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*/
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virtual void end() = 0;
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};
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typedef ::boost::shared_ptr< Animation > AnimationSharedPtr;
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}
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}
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#endif /* INCLUDED_SLIDESHOW_ANIMATION_HXX */
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