diff options
Diffstat (limited to 'slideshow/source/inc/animationfunction.hxx')
-rw-r--r-- | slideshow/source/inc/animationfunction.hxx | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/slideshow/source/inc/animationfunction.hxx b/slideshow/source/inc/animationfunction.hxx new file mode 100644 index 000000000000..c1cf5b825792 --- /dev/null +++ b/slideshow/source/inc/animationfunction.hxx @@ -0,0 +1,71 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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_ANIMATIONFUNCTION_HXX +#define INCLUDED_SLIDESHOW_ANIMATIONFUNCTION_HXX + +#include <sal/config.h> +#include <boost/shared_ptr.hpp> + + +/* Definition of AnimationFunction interface */ + +namespace slideshow +{ + namespace internal + { + /** Interface describing an abstract animation function. + + Use this interface to model time-dependent animation + functions of one variable. + */ + class AnimationFunction + { + public: + virtual ~AnimationFunction() {} + + /** Operator to calculate function value. + + This method calculates the function value for the + given time instant t. + + @param t + Current time instant, must be in the range [0,1] + + @return the function value, typically in relative + user coordinate space ([0,1] range). + */ + virtual double operator()( double t ) const = 0; + + }; + + typedef ::boost::shared_ptr< AnimationFunction > AnimationFunctionSharedPtr; + + } +} + +#endif /* INCLUDED_SLIDESHOW_ANIMATIONFUNCTION_HXX */ |