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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_INC_ANIMATION_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATION_HXX
#include "animatableshape.hxx"
#include "shapeattributelayer.hxx"
#include "disposable.hxx"
/* Definition of Animation interface */
namespace slideshow::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 SharedPtrAble
{
public:
/** 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( ) = 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;
};
}
#endif // INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATION_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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