QwtVectorFieldArrow Class Reference

#include <qwt_vectorfield_symbol.h>

Inheritance diagram for QwtVectorFieldArrow:

Classes
class	PrivateData

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

Private Attributes
PrivateData *	m_data

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.

~QwtVectorFieldArrow()

QwtVectorFieldArrow::~QwtVectorFieldArrow ( )

virtual

Destructor.

Definition at line 80 of file qwt_vectorfield_symbol.cpp.

Member Function Documentation

length()

qreal QwtVectorFieldArrow::length ( ) const

virtual

Returns

length of the symbol/arrow

See also

setLength()

Implements QwtVectorFieldSymbol.

Definition at line 90 of file qwt_vectorfield_symbol.cpp.

paint()

void QwtVectorFieldArrow::paint ( QPainter *  ) const

virtual

Draw the symbol/arrow.

Implements QwtVectorFieldSymbol.

Definition at line 95 of file qwt_vectorfield_symbol.cpp.

setLength()

void QwtVectorFieldArrow::setLength ( qreal  length )

virtual

Set the length of the symbol/arrow

See also

length()

Implements QwtVectorFieldSymbol.

Definition at line 85 of file qwt_vectorfield_symbol.cpp.

Member Data Documentation

m_data

PrivateData* QwtVectorFieldArrow::m_data

private

Definition at line 73 of file qwt_vectorfield_symbol.h.

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

• qwt_vectorfield_symbol.h
• qwt_vectorfield_symbol.cpp