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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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 for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _BezierCurve_H_
#define _BezierCurve_H_
#include "../api.h"
#include "../glm/glm.hpp"
#include <boost/shared_ptr.hpp>
#include <vector>
namespace avg {
class AVG_API BezierCurve {
public:
BezierCurve(const glm::vec2& p0, const glm::vec2& p1, const glm::vec2& p2,
const glm::vec2& p3);
glm::vec2 interpolate(float t) const;
glm::vec2 getDeriv(float t) const;
private:
glm::vec2 m_P0;
glm::vec2 m_P1;
glm::vec2 m_P2;
glm::vec2 m_P3;
};
typedef boost::shared_ptr<BezierCurve> BezierCurvePtr;
}
#endif
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