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Diffstat (limited to 'sd/source/ui/slidesorter/inc/controller/SlsAnimationFunction.hxx')
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diff --git a/sd/source/ui/slidesorter/inc/controller/SlsAnimationFunction.hxx b/sd/source/ui/slidesorter/inc/controller/SlsAnimationFunction.hxx new file mode 100644 index 000000000000..38d0b2b22749 --- /dev/null +++ b/sd/source/ui/slidesorter/inc/controller/SlsAnimationFunction.hxx @@ -0,0 +1,180 @@ +/************************************************************************* + * + * 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 SD_SLIDESORTER_CONTROLLER_ANIMATION_FUNCTION_HXX +#define SD_SLIDESORTER_CONTROLLER_ANIMATION_FUNCTION_HXX + +#include "model/SlsSharedPageDescriptor.hxx" +#include <basegfx/point/b2dpoint.hxx> +#include <boost/noncopyable.hpp> +#include <boost/function.hpp> +#include <tools/gen.hxx> +#include <vector> + +namespace sd { namespace slidesorter { namespace view { +class SlideSorterView; +} } } + + + +namespace sd { namespace slidesorter { namespace controller { + +/** A collection of functions that are usefull when creating animations. + They are collected here until a better place is found. +*/ +class AnimationFunction + : private ::boost::noncopyable +{ +public: + /** Acceleration function that maps [0,1] to [0,1] linearly, ie it + returns the given time value unaltered. + */ + static double Linear (const double nTime); + + /** Acceleration function that maps [0,1] to [0,1]. Speed starts fast + and ends slow following the sine function. + */ + static double FastInSlowOut_Sine (const double nTime); + + /** Acceleration function that maps [0,1] to [0,1]. Speed starts fast + and ends slow following the square root function. + */ + static double FastInSlowOut_Root (const double nTime); + + /** Acceleration function that maps [0,1] to [0,0]. Speed starts slow, + rises, drops and ends slow following the sine function. + */ + static double SlowInSlowOut_0to0_Sine (const double nTime); + + /** Acceleration function that maps [0,1] to [0,0]. Speed starts slow, + rises and drops several times and ends slow following multiple + cycles of the the sine function. + */ + static double Vibrate_Sine (const double nTime); + + /** Scale point linearly. + */ + static Point ScalePoint (const Point& rPoint, const double nTime); + + /** Blend two points together according to the given weight. + */ + static double Blend (const double nStartValue, const double nEndValue, const double nWeight); + + /** Apply a gradual visual state change. The kind of change, i.e. the + previous and the new states are expected to be already set. This + method only adjusts the blending of the visual representation from + one state to the other. + */ + static void ApplyVisualStateChange ( + const model::SharedPageDescriptor& rpDescriptor, + view::SlideSorterView& rView, + const double nTime); + + /** Apply a gradual change of a previously set offset to the location of + a page object. + */ + static void ApplyLocationOffsetChange ( + const model::SharedPageDescriptor& rpDescriptor, + view::SlideSorterView& rView, + const Point aLocationOffset); + + /** Apply a gradual change the alpha value from the old value to a + new value (set prior to this call.) + */ + static void ApplyButtonAlphaChange( + const model::SharedPageDescriptor& rpDescriptor, + view::SlideSorterView& rView, + const double nButtonAlpha, + const double nButtonBarAlpha); +}; + + + + +class AnimationBezierFunction +{ +public: + /** Create a cubic bezier curve whose start and end points are given + implicitly as P0=(0,0) and P3=(1,1). + */ + AnimationBezierFunction ( + const double nX1, + const double nY1, + const double nX2, + const double nY2); + + /** Create a cubic bezier curve whose start and end points are given + implicitly as P0=(0,0) and P3=(1,1). The second control point is + implicitly given as P2=(1-nY1,1-nX1). + */ + AnimationBezierFunction ( + const double nX1, + const double nY1); + + ::basegfx::B2DPoint operator() (const double nT); + +private: + const double mnX1; + const double mnY1; + const double mnX2; + const double mnY2; + + double EvaluateComponent ( + const double nT, + const double nV1, + const double nV2); +}; + + + + +/** Turn a parametric function into one whose y-Values depend on its + x-Values. Note a lot of interpolation takes place. The resulting + accuracy should be good enough for the purpose of acceleration + function for animations. +*/ +class AnimationParametricFunction +{ +public: + typedef ::boost::function<basegfx::B2DPoint(double)> ParametricFunction; + AnimationParametricFunction (const ParametricFunction& rFunction); + + double operator() (const double nX); + +private: + /** y-Values of the parametric function given to the constructor + evaluated (and interpolated) for evenly spaced x-Values. + */ + ::std::vector<double> maY; +}; + + + + +} } } // end of namespace ::sd::slidesorter::controller + +#endif |