de Casteljau 算法的 Bézier 曲线插值实现更多...

#include <qwt_bezier.h>

Public 成员函数
	QwtBezier (double tolerance=0.5)
	Constructor with tolerance parameter

	~QwtBezier ()
	Destructor

void	setTolerance (double tolerance)
	Set the tolerance for curve subdivision

double	tolerance () const
	Get the tolerance value

QPolygonF	toPolygon (const QPointF &p1, const QPointF &cp1, const QPointF &cp2, const QPointF &p2) const
	Interpolate a Bézier curve as a polygon

void	appendToPolygon (const QPointF &p1, const QPointF &cp1, const QPointF &cp2, const QPointF &p2, QPolygonF &polygon) const
	Append Bézier curve points to an existing polygon

静态 Public 成员函数
static QPointF	pointAt (const QPointF &p1, const QPointF &cp1, const QPointF &cp2, const QPointF &p2, double t)
	Find a point on a Bézier curve at parameter t

详细描述

de Casteljau 算法的 Bézier 曲线插值实现

构造及析构函数说明

◆ QwtBezier()

QwtBezier::QwtBezier ( double tolerance = 0.5 )

Constructor with tolerance parameter

构造函数

◆ ~QwtBezier()

QwtBezier::~QwtBezier ( )

Destructor

析构函数

成员函数说明

◆ appendToPolygon()

void QwtBezier::appendToPolygon	(	const QPointF &	p1,
		const QPointF &	cp1,
		const QPointF &	cp2,
		const QPointF &	p2,
		QPolygonF &	polygon
	)		const

Append Bézier curve points to an existing polygon

通过将点添加到多边形来插值 Bézier 曲线

◆ pointAt()

QPointF QwtBezier::pointAt	(	const QPointF &	p1,
		const QPointF &	cp1,
		const QPointF &	cp2,
		const QPointF &	p2,
		double	t
	)

static

Find a point on a Bézier curve at parameter t

查找 Bézier 曲线上的点

◆ setTolerance()

void QwtBezier::setTolerance ( double tolerance )

Set the tolerance for curve subdivision

设置曲线细分的容差

◆ tolerance()

double QwtBezier::tolerance ( ) const

inline

Get the tolerance value

返回: Tolerance value used for subdivision

◆ toPolygon()

QPolygonF QwtBezier::toPolygon	(	const QPointF &	p1,
		const QPointF &	cp1,
		const QPointF &	cp2,
		const QPointF &	p2
	)		const

Interpolate a Bézier curve as a polygon

用多边形插值 Bézier 曲线

该类的文档由以下文件生成:

/home/runner/work/QWT/QWT/src/plot/qwt_bezier.h
/home/runner/work/QWT/QWT/src/plot/qwt_bezier.cpp

Public 成员函数

静态 Public 成员函数