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/*
* 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 2
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __BEZIER_H__
#define __BEZIER_H__
/** \file
* \ingroup freestyle
* \brief Class to define a Bezier curve of order 4.
*/
#include <vector>
#include "Geom.h"
#include "../system/FreestyleConfig.h"
#ifdef WITH_CXX_GUARDEDALLOC
# include "MEM_guardedalloc.h"
#endif
namespace Freestyle {
using namespace Geometry;
class BezierCurveSegment {
private:
std::vector<Vec2d> _ControlPolygon;
std::vector<Vec2d> _Vertices;
public:
BezierCurveSegment();
virtual ~BezierCurveSegment();
void AddControlPoint(const Vec2d &iPoint);
void Build();
inline int size() const
{
return _ControlPolygon.size();
}
inline std::vector<Vec2d> &vertices()
{
return _Vertices;
}
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:BezierCurveSegment")
#endif
};
class BezierCurve {
private:
std::vector<Vec2d> _ControlPolygon;
std::vector<BezierCurveSegment *> _Segments;
BezierCurveSegment *_currentSegment;
public:
BezierCurve();
BezierCurve(std::vector<Vec2d> &iPoints, double error = 4.0);
virtual ~BezierCurve();
void AddControlPoint(const Vec2d &iPoint);
std::vector<Vec2d> &controlPolygon()
{
return _ControlPolygon;
}
std::vector<BezierCurveSegment *> &segments()
{
return _Segments;
}
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:BezierCurve")
#endif
};
} /* namespace Freestyle */
#endif // __BEZIER_H__
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