//////////////////////////////////////////////////////////////////////////////
//文件 Spline.h
//主要功能: 
//		基础类库,三次样条生成
//程序编写:		2007-3-28
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "Point2D.h"
#include "Curve.h"

class AFX_EXT_CLASS CSpline
{
public:
	CSpline(void);
	virtual ~CSpline(void);

	int Create(double* px, double *py, int num, BOOL bClose);
	int GetPoint(CPointList& bp, double dSmoothness);

	void Clear(void);

protected:
	int GetPoint(CPointList& bp, double x, double y, double ax, double ay, double bx, double by, double cx, double cy, double dSmoothness);

	void CreateSpline();		//生成SPLINE
	void CreateSplineClosed();	//生成关闭SPLINE

	void MatrixSolve(double* B);
	void MatrixSolveClosed(double *B);

	int num;
	double* Px;	//仅是指向
	double* Py;

	double* Ax;	//需要delete
	double* Ay;
	double* Bx;
	double* By;
	double* Cx;
	double* Cy;
	double* k;
	double*  Mat[3];
};