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FitCurve.h
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FitCurve.h
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/* ***** BEGIN LICENSE BLOCK *****
* This file is part of Natron <https://natrongithub.github.io/>,
* (C) 2018-2021 The Natron developers
* (C) 2013-2018 INRIA and Alexandre Gauthier-Foichat
*
* Natron is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Natron 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Natron. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>
* ***** END LICENSE BLOCK ***** */
#ifndef Natron_Engine_FitCurve_h
#define Natron_Engine_FitCurve_h
// ***** BEGIN PYTHON BLOCK *****
// from <https://docs.python.org/3/c-api/intro.html#include-files>:
// "Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included."
#include <Python.h>
// ***** END PYTHON BLOCK *****
#include "Global/Macros.h"
#include <vector>
#include "Global/GlobalDefines.h"
#include "Engine/EngineFwd.h"
NATRON_NAMESPACE_ENTER
/**
* Utility functions to fit a bezier curve to a set of points
**/
namespace FitCurve {
struct SimpleBezierCP
{
Point p;
Point leftTan, rightTan;
};
/**
* @brief Fit a Bezier curve to a (sub)set of digitized points
* @param points Array of digitized points
* @param error User-defined error squared
* @param generatedBezier[out] The fitted bezier generated
**/
void fit_cubic(const std::vector<Point>& points, double error, std::vector<SimpleBezierCP>* generatedBezier);
}
NATRON_NAMESPACE_EXIT
#endif // Natron_Engine_FitCurve_h