QwtVectorFieldArrow Class Reference

Arrow implementation that draws a filled arrow with outline, using a triangular head of constant width. More...

#include <qwt_vectorfield_symbol.h>

Inheritance diagram for QwtVectorFieldArrow:

Classes
class	PrivateData

Public Member Functions
	QwtVectorFieldArrow (qreal headWidth=6.0, qreal tailWidth=1.0)
	Constructor.
virtual	~QwtVectorFieldArrow () QWT_OVERRIDE
	Destructor.
virtual void	setLength (qreal length) QWT_OVERRIDE
	Set the length of the symbol/arrow.
virtual qreal	length () const QWT_OVERRIDE
virtual void	paint (QPainter *) const QWT_OVERRIDE
	Draw the symbol/arrow.
Public Member Functions inherited from QwtVectorFieldSymbol
	QwtVectorFieldSymbol ()
	Constructor.
virtual	~QwtVectorFieldSymbol ()
	Destructor.

Detailed Description

Arrow implementation that draws a filled arrow with outline, using a triangular head of constant width.

Constructor & Destructor Documentation

QwtVectorFieldArrow()

QwtVectorFieldArrow::QwtVectorFieldArrow	(	qreal	headWidth = 6.0,
		qreal	tailWidth = 1.0
	)

Constructor.

The length is initialized by headWidth + 4

Parameters

headWidth	Width of the triangular head
tailWidth	Width of the arrow tail

See also

setLength()

Member Function Documentation

length()

qreal QwtVectorFieldArrow::length ( ) const

virtual

Returns

length of the symbol/arrow

See also

setLength()

Implements QwtVectorFieldSymbol.

paint()

void QwtVectorFieldArrow::paint ( QPainter *  ) const

virtual

Draw the symbol/arrow.

Implements QwtVectorFieldSymbol.

setLength()

void QwtVectorFieldArrow::setLength ( qreal  length )

virtual

Set the length of the symbol/arrow.

See also

length()

Implements QwtVectorFieldSymbol.

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

• /home/runner/work/QWT/QWT/src/qwt_vectorfield_symbol.h
• /home/runner/work/QWT/QWT/src/qwt_vectorfield_symbol.cpp