QwtVectorFieldArrow Class Reference

#include <qwt_vectorfield_symbol.h>

Inheritance diagram for QwtVectorFieldArrow:

Public Member Functions
	QwtVectorFieldArrow (qreal headWidth=6.0, qreal tailWidth=1.0)
	Constructor. More...
virtual	~QwtVectorFieldArrow () override
	Destructor.
virtual void	setLength (qreal length) override
virtual qreal	length () const override
virtual void	paint (QPainter *) const 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.

Definition at line 61 of file qwt_vectorfield_symbol.h.

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()

Definition at line 74 of file qwt_vectorfield_symbol.cpp.

Member Function Documentation

length()

qreal QwtVectorFieldArrow::length ( ) const

overridevirtual

Returns

length of the symbol/arrow

See also

setLength()

Implements QwtVectorFieldSymbol.

Definition at line 90 of file qwt_vectorfield_symbol.cpp.

setLength()

void QwtVectorFieldArrow::setLength ( qreal  length )

overridevirtual

Set the length of the symbol/arrow

See also

length()

Implements QwtVectorFieldSymbol.

Definition at line 85 of file qwt_vectorfield_symbol.cpp.