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Qwt User's Guide 6.3.0
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An indicator for the wind direction. More...
#include <qwt_dial_needle.h>
Public Types | |
| enum | Style { Style1 , Style2 } |
| Style of the arrow. More... | |
Public Member Functions | |
| QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray) | |
Public Member Functions inherited from QwtDialNeedle | |
| QwtDialNeedle () | |
| Constructor. | |
| virtual | ~QwtDialNeedle () |
| Destructor. | |
| virtual void | setPalette (const QPalette &) |
| const QPalette & | palette () const |
| virtual void | draw (QPainter *, const QPointF ¢er, double length, double direction, QPalette::ColorGroup=QPalette::Active) const |
Protected Member Functions | |
| virtual void | drawNeedle (QPainter *, double length, QPalette::ColorGroup) const override |
Protected Member Functions inherited from QwtDialNeedle | |
| virtual void | drawKnob (QPainter *, double width, const QBrush &, bool sunken) const |
| Draw the knob. | |
An indicator for the wind direction.
QwtCompassWindArrow shows the direction where the wind comes from.
Definition at line 164 of file qwt_dial_needle.h.
Style of the arrow.
| Enumerator | |
|---|---|
| Style1 | A needle pointing to the center. |
| Style2 | A needle pointing to the center. |
Definition at line 168 of file qwt_dial_needle.h.
| QwtCompassWindArrow::QwtCompassWindArrow | ( | Style | style, |
| const QColor & | light = Qt::white, | ||
| const QColor & | dark = Qt::gray ) |
Constructor
| style | Arrow style |
| light | Light color |
| dark | Dark color |
Definition at line 409 of file qwt_dial_needle.cpp.
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overrideprotectedvirtual |
Draw the needle
| painter | Painter |
| length | Length of the needle |
| colorGroup | Color group, used for painting |
Implements QwtDialNeedle.
Definition at line 427 of file qwt_dial_needle.cpp.