QwtVectorFieldThinArrow Class Reference

Arrow implementation that only used lines, with optionally a filled arrow or only lines. More...

#include <qwt_vectorfield_symbol.h>

Inheritance diagram for QwtVectorFieldThinArrow:

Classes
class	PrivateData

Public Member Functions
	QwtVectorFieldThinArrow (qreal headWidth=6.0)
	Constructor with head width parameter.
virtual	~QwtVectorFieldThinArrow () override
	Destructor.
virtual void	setLength (qreal length) override
	Set the length of the arrow.
virtual qreal	length () const override
	Return the length of the arrow.
virtual void	paint (QPainter *) const override
	Draw the arrow.
Public Member Functions inherited from QwtVectorFieldSymbol
	QwtVectorFieldSymbol ()
	Constructor.
virtual	~QwtVectorFieldSymbol ()
	Destructor.

Detailed Description

Arrow implementation that only used lines, with optionally a filled arrow or only lines.

Constructor & Destructor Documentation

QwtVectorFieldThinArrow()

QwtVectorFieldThinArrow::QwtVectorFieldThinArrow

(

qreal

headWidth = 6.0

)

Constructor with head width parameter.

Constructor

The length is initialized by headWidth + 4

Parameters

headWidth

Width of the triangular head

See also

setLength()

~QwtVectorFieldThinArrow()

QwtVectorFieldThinArrow::~QwtVectorFieldThinArrow ( )

overridevirtual

Destructor.

Destructor

.

Member Function Documentation

length()

qreal QwtVectorFieldThinArrow::length ( ) const

overridevirtual

Return the length of the arrow.

Implements QwtVectorFieldSymbol.

paint()

void QwtVectorFieldThinArrow::paint ( QPainter *  p ) const

overridevirtual

Draw the arrow.

Draw the arrow using QPainter.

Implements QwtVectorFieldSymbol.

setLength()

void QwtVectorFieldThinArrow::setLength ( qreal  length )

overridevirtual

Set the length of the arrow.

Implements QwtVectorFieldSymbol.

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

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