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
           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.

Version 6.2.0                   Sun Jul 18 2021         QwtVectorFieldArrow(3)