| Qwt User's Guide 6.3.0
    | 
#include <qwt_vectorfield_symbol.h>
| 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. | |
|  Public Member Functions inherited from QwtVectorFieldSymbol | |
| QwtVectorFieldSymbol () | |
| Constructor. | |
| virtual | ~QwtVectorFieldSymbol () | 
| Destructor. | |
Arrow implementation that only used lines, with optionally a filled arrow or only lines.
Definition at line 81 of file qwt_vectorfield_symbol.h.
| QwtVectorFieldThinArrow::QwtVectorFieldThinArrow | ( | qreal | headWidth = 6.0 | ) | 
Constructor.
The length is initialized by headWidth + 4
| headWidth | Width of the triangular head | 
Definition at line 128 of file qwt_vectorfield_symbol.cpp.
| 
 | overridevirtual | 
Destructor.
Definition at line 134 of file qwt_vectorfield_symbol.cpp.
| 
 | overridevirtual | 
Implements QwtVectorFieldSymbol.
Definition at line 152 of file qwt_vectorfield_symbol.cpp.
| 
 | overridevirtual | 
Draw the symbol/arrow.
Implements QwtVectorFieldSymbol.
Definition at line 157 of file qwt_vectorfield_symbol.cpp.
| 
 | overridevirtual | 
Set the length of the symbol/arrow
Implements QwtVectorFieldSymbol.
Definition at line 139 of file qwt_vectorfield_symbol.cpp.