10 #ifndef QWT_VECTOR_FIELD_SYMBOL_H
11 #define QWT_VECTOR_FIELD_SYMBOL_H
13 #include "qwt_global.h"
51 virtual void paint( QPainter* )
const = 0;
67 virtual void setLength( qreal length ) QWT_OVERRIDE;
68 virtual qreal length()
const QWT_OVERRIDE;
70 virtual void paint( QPainter* )
const QWT_OVERRIDE;
87 virtual void setLength( qreal length ) QWT_OVERRIDE;
88 virtual qreal length()
const QWT_OVERRIDE;
90 virtual void paint( QPainter* )
const QWT_OVERRIDE;
virtual qreal length() const =0
virtual void paint(QPainter *) const =0
Draw the symbol/arrow.
virtual void setLength(qreal length)=0