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-/*************************************************************************
-** Bezier.hpp **
-** **
-** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2021 Martin Gieseking <martin.gieseking@uos.de> **
-** **
-** This program 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 3 of **
-** the License, or (at your option) any later version. **
-** **
-** This program 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 this program; if not, see <http://www.gnu.org/licenses/>. **
-*************************************************************************/
-
-#ifndef BEZIER_HPP
-#define BEZIER_HPP
-
-#include <vector>
-#include "BoundingBox.hpp"
-#include "Pair.hpp"
-
-class Matrix;
-
-class Bezier {
- public:
- Bezier ();
- Bezier (const DPair &p0, const DPair &p1, const DPair &p2);
- Bezier (const DPair &p0, const DPair &p1, const DPair &p2, const DPair &p3);
- Bezier (const Bezier &source, double t0, double t1);
- void setPoints (const DPair &p0, const DPair &p1, const DPair &p2, const DPair &p3);
- void reverse ();
- DPair valueAt (double t) const;
- DPair blossomValue (double u, double v, double w) const;
- void subdivide (double t, Bezier *bezier1, Bezier *bezier2) const;
- Bezier& transform (const Matrix &matrix);
- int approximate (double delta, std::vector<DPair> &p, std::vector<double> *t=nullptr) const;
- const DPair& point (int i) const {return _points[i];}
- int reduceDegree (double delta, std::vector<DPair> &p) const;
- BoundingBox getBBox () const;
-
- protected:
- int approximate (double delta, double t0, double t1, std::vector<DPair> &p, std::vector<double> *t) const;
-
- private:
- DPair _points[4];
-};
-
-#endif