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Qwt User's Guide 6.0.0
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An indicator for the wind direction. More...
#include <qwt_dial_needle.h>

Public Types | |
| enum | Style { Style1, Style2 } |
Public Member Functions | |
| QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray) | |
Protected Member Functions | |
| virtual void | drawNeedle (QPainter *, double length, QPalette::ColorGroup) const |
An indicator for the wind direction.
QwtCompassWindArrow shows the direction where the wind comes from.
| QwtCompassWindArrow::QwtCompassWindArrow | ( | Style | style, |
| const QColor & | light = Qt::white, |
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| const QColor & | dark = Qt::gray |
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| ) |
Constructor
| style | Arrow style |
| light | Light color |
| dark | Dark color |
| void QwtCompassWindArrow::drawNeedle | ( | QPainter * | painter, |
| double | length, | ||
| QPalette::ColorGroup | colorGroup | ||
| ) | const [protected, virtual] |
Draw the needle
| painter | Painter |
| length | Length of the needle |
| colorGroup | Color group, used for painting |
Implements QwtDialNeedle.
1.7.3