| QwtVectorFieldArrow(3) | Qwt User's Guide | QwtVectorFieldArrow(3) |
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.
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, qreal tailWidth = 1.0)
Constructor. The length is initialized by headWidth + 4
Parameters
tailWidth Width of the arrow tail
See also
Definition at line 74 of file qwt_vectorfield_symbol.cpp.
Member Function Documentation
qreal QwtVectorFieldArrow::length () const [override], [virtual]
Returns
See also
Implements QwtVectorFieldSymbol.
Definition at line 90 of file qwt_vectorfield_symbol.cpp.
void QwtVectorFieldArrow::setLength (qreal length) [override], [virtual]
Set the length of the symbol/arrow
See also
Implements QwtVectorFieldSymbol.
Definition at line 85 of file qwt_vectorfield_symbol.cpp.
Author
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| Sun Jul 18 2021 | Version 6.2.0 |