d7e87f5cad
2006/03/24 18:23:36 thb 1.3.18.2: #i37778# Moved whole slideshow engine from namespace presentation (which conflicts with one of the UNO subnamespaces) to slideshow 2006/03/15 15:22:23 thb 1.3.18.1: #i49357# Removed external include guards from all non-export headers (and from the cxx files, anyway)
88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: pairanimation.hxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: kz $ $Date: 2006-12-13 16:00:36 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _SLIDESHOW_PAIRANIMATION_HXX
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#define _SLIDESHOW_PAIRANIMATION_HXX
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#include <animation.hxx>
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#include <basegfx/tuple/b2dtuple.hxx>
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/* Definition of PairAnimation 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 pair of numbers animation.
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This interface is a specialization of the Animation
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interface, and is used to animate attributes representable
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by a pair of floating point values (e.g. a position or a
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size).
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*/
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class PairAnimation : public Animation
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{
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public:
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typedef ::basegfx::B2DTuple ValueType;
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/** Set the animation to the given value
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@param rValue
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Current animation value.
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*/
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virtual bool operator()( const ValueType& rValue ) = 0;
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/** Request the underlying value for this animation.
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This is necessary for pure To or By animations, as the
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Activity cannot determine a sensible start value
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otherwise.
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@attention Note that you are only permitted to query
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for the underlying value, if the animation has actually
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been started (via start() call).
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*/
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virtual ValueType getUnderlyingValue() const = 0;
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};
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typedef ::boost::shared_ptr< PairAnimation > PairAnimationSharedPtr;
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}
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}
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#endif /* _SLIDESHOW_PAIRANIMATION_HXX */
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