Qwt User's Guide
6.0.2
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#include <qwt_dial_needle.h>
Public Types | |
enum | Style { TriangleStyle, ThinStyle } |
Public Member Functions | |
QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red) | |
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QwtDialNeedle () | |
virtual | ~QwtDialNeedle () |
virtual void | draw (QPainter *painter, const QPointF ¢er, double length, double direction, QPalette::ColorGroup=QPalette::Active) const |
const QPalette & | palette () const |
virtual void | setPalette (const QPalette &) |
Protected Member Functions | |
virtual void | drawNeedle (QPainter *, double length, QPalette::ColorGroup) const |
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virtual void | drawKnob (QPainter *, double width, const QBrush &, bool sunken) const |
A magnet needle for compass widgets.
A magnet needle points to two opposite directions indicating north and south.
The following colors are used:
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protectedvirtual |
Draw the needle
painter | Painter |
length | Length of the needle |
colorGroup | Color group, used for painting |
Implements QwtDialNeedle.