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.