84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATION_HXX
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#define INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATION_HXX
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#include "animatableshape.hxx"
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#include "shapeattributelayer.hxx"
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#include "disposable.hxx"
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/* Definition of Animation interface */
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namespace slideshow::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 : public virtual SharedPtrAble
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{
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public:
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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( ) = 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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}
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#endif // INCLUDED_SLIDESHOW_SOURCE_INC_ANIMATION_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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