An implementation of the de Casteljau's Algorithm for interpolating Bézier curves. More...

#include <qwt_bezier.h>

Public Member Functions
	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.

Static Public Member Functions
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.

Detailed Description

An implementation of the de Casteljau's Algorithm for interpolating Bézier curves.

Constructor & Destructor Documentation

◆ QwtBezier()

QwtBezier::QwtBezier ( double tolerance = 0.5 )

Constructor with tolerance parameter.

Constructor.

◆ ~QwtBezier()

QwtBezier::~QwtBezier ( )

Destructor.

Destructor .

Member Function Documentation

◆ 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.

Interpolate a Bézier curve by adding points to a polygon.

◆ 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.

Find a point on a Bézier curve.

◆ setTolerance()

void QwtBezier::setTolerance ( double tolerance )

Set the tolerance for curve subdivision.

◆ tolerance()

double QwtBezier::tolerance ( ) const

inline

Get the tolerance value.

Returns: 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.

Interpolate a Bézier curve by a polygon.

The documentation for this class was generated from the following files:

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

Public Member Functions

Static Public Member Functions