/*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/***************************************************************************
* Curve2D.h
*
* Thu Jun 29 22:14:20 2006
* Copyright 2006 N. Sharjith
* sharjith@gmail.com
****************************************************************************/
#ifndef _CURVE2D_H
#define _CURVE2D_H
#include "VKGeom.h"
#include "Geometry2D.h"
class CPoint2D;
enum Curve2DType { BEZIER2D, BSPLINE2D, CIRCLE2D, ELLIPSE2D, HYPERBOLA2D, LINE2D, OFFSETCURVE2D, PARABOLA2D };
//Abstract Base Class
class VKGEOM_API CCurve2D : public CGeometry2D
{
public:
CCurve2D();
virtual ~CCurve2D();
virtual void Reverse() = 0;
virtual CPoint2D PointAtPara(const double& para) = 0;
virtual double FirstParameter() const = 0;
virtual double LastParameter() const = 0;
virtual bool IsClosed() const = 0;
Curve2DType Type() const;
bool IsOfType(const Curve2DType&) const;
virtual CCurve2D* Copy() const = 0;
virtual void Translate(double dx, double dy) = 0;
virtual void Translate(const CVector2D&) = 0;
virtual void Translate(const CPoint2D&, const CPoint2D&) = 0;
virtual void Rotate(const CPoint2D&, double) = 0;
virtual void Scale(const CPoint2D&, double) = 0;
virtual void Mirror(const CPoint2D&) = 0;
virtual void Mirror(const COneAxis2D&) = 0;
protected:
Curve2DType cType;
bool cReversed;
};
#endif /* _CURVE2D_H */