QwtVectorFieldArrow - Man Page
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
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
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::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
Generated automatically by Doxygen for Qwt User's Guide from the source code.