lice_bezier.h File Reference

#include "lice.h"
#include <math.h>

Go to the source code of this file.

Macros
#define	CBEZ_ITERS   8
#define	EVAL_CBEZ(tx, a, b, c, d, t)
#define	EVAL_CBEZXY(tx, ty, ax, bx, cx, dx, ay, by, cy, dy, t)

Functions
template<class T>
void	LICE_Bezier (T ctrl_x1, T ctrl_x2, T ctrl_x3, T ctrl_y1, T ctrl_y2, T ctrl_y3, double t, T *pX, T *pY)
template<class T>
void	LICE_CBezier_GetCoeffs (T ctrl_x1, T ctrl_x2, T ctrl_x3, T ctrl_x4, T ctrl_y1, T ctrl_y2, T ctrl_y3, T ctrl_y4, double *pAX, double *pBX, double *pCX, double *pAY, double *pBY, double *pCY)
template<class T>
void	LICE_CBezier (T ctrl_x1, T ctrl_x2, T ctrl_x3, T ctrl_x4, T ctrl_y1, T ctrl_y2, T ctrl_y3, T ctrl_y4, double t, T *pX, T *pY)
template<class T>
T	LICE_Bezier_GetY (T ctrl_x1, T ctrl_x2, T ctrl_x3, T ctrl_y1, T ctrl_y2, T ctrl_y3, T x, double *pt=0)
template<class T>
void	LICE_Bezier_Norm (T ctrl_x2, T ctrl_y2, double t, T *pX, T *pY)
template<class T>
T	LICE_Bezier_GetY_Norm (T ctrl_x2, T ctrl_y2, T x)
template<class T>
void	LICE_Bezier_FindCardinalCtlPts (double alpha, T x1, T x2, T x3, T y1, T y2, T y3, T *ctrl_x2a, T *ctrl_x2b, T *ctrl_y2a, T *ctrl_y2b)
template<class T>
void	LICE_QNurbs (T *pDest, int pDest_sz, int *pX, T *pY, int n)
template<class T>
T	LICE_CBezier_GetY (T ctrl_x1, T ctrl_x2, T ctrl_x3, T ctrl_x4, T ctrl_y1, T ctrl_y2, T ctrl_y3, T ctrl_y4, T x, T *pNextX=0, T *pdYdX=0, double *ptLo=0, double *ptHi=0)

Macro Definition Documentation

CBEZ_ITERS

#define CBEZ_ITERS   8

EVAL_CBEZ

#define EVAL_CBEZ	(		tx,
			a,
			b,
			c,
			d,
			t )

Value:

{ \
  double _t2=t*t; \
  tx=(a*t*_t2+b*_t2+c*t+d); \
}

EVAL_CBEZXY

#define EVAL_CBEZXY	(		tx,
			ty,
			ax,
			bx,
			cx,
			dx,
			ay,
			by,
			cy,
			dy,
			t )

Value:

{ \
  double _t2=t*t; \
  double _t3=t*_t2; \
  tx=ax*_t3+bx*_t2+cx*t+dx; \
  ty=ay*_t3+by*_t2+cy*t+dy; \
}

Function Documentation

LICE_Bezier()

template<class T>

void LICE_Bezier	(	T	ctrl_x1,
		T	ctrl_x2,
		T	ctrl_x3,
		T	ctrl_y1,
		T	ctrl_y2,
		T	ctrl_y3,
		double	t,
		T *	pX,
		T *	pY )

LICE_Bezier_FindCardinalCtlPts()

template<class T>

void LICE_Bezier_FindCardinalCtlPts	(	double	alpha,
		T	x1,
		T	x2,
		T	x3,
		T	y1,
		T	y2,
		T	y3,
		T *	ctrl_x2a,
		T *	ctrl_x2b,
		T *	ctrl_y2a,
		T *	ctrl_y2b )

LICE_Bezier_GetY()

template<class T>

T LICE_Bezier_GetY	(	T	ctrl_x1,
		T	ctrl_x2,
		T	ctrl_x3,
		T	ctrl_y1,
		T	ctrl_y2,
		T	ctrl_y3,
		T	x,
		double *	pt = 0 )

LICE_Bezier_GetY_Norm()

template<class T>

T LICE_Bezier_GetY_Norm	(	T	ctrl_x2,
		T	ctrl_y2,
		T	x )

LICE_Bezier_Norm()

template<class T>

void LICE_Bezier_Norm	(	T	ctrl_x2,
		T	ctrl_y2,
		double	t,
		T *	pX,
		T *	pY )

LICE_CBezier()

template<class T>

void LICE_CBezier	(	T	ctrl_x1,
		T	ctrl_x2,
		T	ctrl_x3,
		T	ctrl_x4,
		T	ctrl_y1,
		T	ctrl_y2,
		T	ctrl_y3,
		T	ctrl_y4,
		double	t,
		T *	pX,
		T *	pY )

LICE_CBezier_GetCoeffs()

template<class T>

void LICE_CBezier_GetCoeffs	(	T	ctrl_x1,
		T	ctrl_x2,
		T	ctrl_x3,
		T	ctrl_x4,
		T	ctrl_y1,
		T	ctrl_y2,
		T	ctrl_y3,
		T	ctrl_y4,
		double *	pAX,
		double *	pBX,
		double *	pCX,
		double *	pAY,
		double *	pBY,
		double *	pCY )

LICE_CBezier_GetY()

template<class T>

T LICE_CBezier_GetY	(	T	ctrl_x1,
		T	ctrl_x2,
		T	ctrl_x3,
		T	ctrl_x4,
		T	ctrl_y1,
		T	ctrl_y2,
		T	ctrl_y3,
		T	ctrl_y4,
		T	x,
		T *	pNextX = 0,
		T *	pdYdX = 0,
		double *	ptLo = 0,
		double *	ptHi = 0 )

LICE_QNurbs()

template<class T>

void LICE_QNurbs ( T * pDest, int pDest_sz, int * pX, T * pY, int n )

inline