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Qwt User's Guide 6.3.0
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#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.
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overridevirtual |
Destructor.
Definition at line 134 of file qwt_vectorfield_symbol.cpp.
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overridevirtual |
Implements QwtVectorFieldSymbol.
Definition at line 152 of file qwt_vectorfield_symbol.cpp.
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overridevirtual |
Draw the symbol/arrow.
Implements QwtVectorFieldSymbol.
Definition at line 157 of file qwt_vectorfield_symbol.cpp.
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overridevirtual |
Set the length of the symbol/arrow
Implements QwtVectorFieldSymbol.
Definition at line 139 of file qwt_vectorfield_symbol.cpp.