QwtVectorFieldThinArrow - Man Page
Synopsis
#include <qwt_vectorfield_symbol.h>
Inherits QwtVectorFieldSymbol.
Public Member Functions
QwtVectorFieldThinArrow (qreal headWidth=6.0)
Constructor.
virtual ~QwtVectorFieldThinArrow () 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 only used lines, with optionally a filled arrow or only lines.
Definition at line 81 of file qwt_vectorfield_symbol.h.
Constructor & Destructor Documentation
QwtVectorFieldThinArrow::QwtVectorFieldThinArrow (qreal headWidth = 6.0)
Constructor. The length is initialized by headWidth + 4
- Parameters
headWidth Width of the triangular head
- See also
setLength()
Definition at line 128 of file qwt_vectorfield_symbol.cpp.
Member Function Documentation
qreal QwtVectorFieldThinArrow::length () const [override], [virtual]
- Returns
length of the symbol/arrow
- See also
setLength()
Implements QwtVectorFieldSymbol.
Definition at line 152 of file qwt_vectorfield_symbol.cpp.
void QwtVectorFieldThinArrow::setLength (qreal length) [override], [virtual]
Set the length of the symbol/arrow
- See also
length()
Implements QwtVectorFieldSymbol.
Definition at line 139 of file qwt_vectorfield_symbol.cpp.
Author
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