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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#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 <vector>
namespace sd { namespace slidesorter { namespace view {
class SlideSorterView;
} } }
namespace sd { namespace slidesorter { namespace controller {
class AnimationBezierFunction
{
public:
/** 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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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