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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: coloranimation.hxx,v $
* $Revision: 1.6 $
*
* 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_COLORANIMATION_HXX
#define INCLUDED_SLIDESHOW_COLORANIMATION_HXX
#include "animation.hxx"
#include "rgbcolor.hxx"
/* Definition of ColorAnimation interface */
namespace slideshow
{
namespace internal
{
/** Interface defining a color animation.
This interface is a specialization of the Animation
interface, and is used to animate attributes representable
by a color value.
*/
class ColorAnimation : public Animation
{
public:
typedef RGBColor ValueType;
/** Set the animation to the given color value
@param rColor
Current animation value.
*/
virtual bool operator()( const ValueType& rColor ) = 0;
/** Request the underlying value for this animation.
This is necessary for pure To or By animations, as the
Activity cannot determine a sensible start value
otherwise.
@attention Note that you are only permitted to query
for the underlying value, if the animation has actually
been started (via start() call).
*/
virtual ValueType getUnderlyingValue() const = 0;
};
typedef ::boost::shared_ptr< ColorAnimation > ColorAnimationSharedPtr;
}
}
#endif /* INCLUDED_SLIDESHOW_COLORANIMATION_HXX */
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