QwtVectorFieldArrow - (unknown subject)

NAME  SYNOPSIS  Public Member Functions  Detailed Description  Constructor & Destructor Documentation  QwtVectorFieldArrow::QwtVectorFieldArrow (qreal headWidth = 6.0, qrealtailWidth = 1.0)  QwtVectorFieldArrow::˜QwtVectorFieldArrow () [override], [virtual]  Member Function Documentation  qreal QwtVectorFieldArrow::length () const [override], [virtual]  void QwtVectorFieldArrow::paint (QPainter * ) const [override], [virtual]  void QwtVectorFieldArrow::setLength (qreal length) [override], [virtual]  Author 

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NAME

QwtVectorFieldArrow

SYNOPSIS

#include <qwt_vectorfield_symbol.h>

Inherits QwtVectorFieldSymbol.

Public Member Functions

QwtVectorFieldArrow (qreal headWidth=6.0, qreal tailWidth=1.0)
Constructor.
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 (qreal headWidth = 6.0, qrealtailWidth = 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 () [override], [virtual]

Destructor.

Definition at line 80 of file qwt_vectorfield_symbol.cpp.

Member Function Documentation

qreal QwtVectorFieldArrow::length () const [override], [virtual]

Returns

length of the symbol/arrow

See also

setLength()

Implements QwtVectorFieldSymbol.

Definition at line 90 of file qwt_vectorfield_symbol.cpp.

void QwtVectorFieldArrow::paint (QPainter * ) const [override], [virtual]

Draw the symbol/arrow.

Implements QwtVectorFieldSymbol.

Definition at line 95 of file qwt_vectorfield_symbol.cpp.

void QwtVectorFieldArrow::setLength (qreal length) [override], [virtual]

Set the length of the symbol/arrow

See also

length()

Implements QwtVectorFieldSymbol.

Definition at line 85 of file qwt_vectorfield_symbol.cpp.

Author

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