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) | |
virtual void | draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const |
Static Public Member Functions | |
static void | drawStyle1Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction) |
static void | drawStyle2Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction) |
An indicator for the wind direction.
QwtCompassWindArrow shows the direction where the wind comes from.
Style of the arrow.
QwtCompassWindArrow::QwtCompassWindArrow | ( | Style | style, | |
const QColor & | light = Qt::white , |
|||
const QColor & | dark = Qt::gray | |||
) |
Constructor
style | Arrow style | |
light | Light color | |
dark | Dark color |
void QwtCompassWindArrow::draw | ( | QPainter * | painter, | |
const QPoint & | center, | |||
int | length, | |||
double | direction, | |||
QPalette::ColorGroup | colorGroup = QPalette::Active | |||
) | const [virtual] |
Draw the needle
painter | Painter | |
center | Center of the dial, start position for the needle | |
length | Length of the needle | |
direction | Direction of the needle, in degrees counter clockwise | |
colorGroup | Color group, used for painting |
Implements QwtDialNeedle.
void QwtCompassWindArrow::drawStyle1Needle | ( | QPainter * | painter, | |
const QPalette & | palette, | |||
QPalette::ColorGroup | colorGroup, | |||
const QPoint & | center, | |||
int | length, | |||
double | direction | |||
) | [static] |
Draw a compass needle
painter | Painter | |
palette | Palette | |
colorGroup | colorGroup | |
center | Center of the dial, start position for the needle | |
length | Length of the needle | |
direction | Direction of the needle, in degrees counter clockwise |
void QwtCompassWindArrow::drawStyle2Needle | ( | QPainter * | painter, | |
const QPalette & | palette, | |||
QPalette::ColorGroup | colorGroup, | |||
const QPoint & | center, | |||
int | length, | |||
double | direction | |||
) | [static] |
Draw a compass needle
painter | Painter | |
palette | Palette | |
colorGroup | colorGroup | |
center | Center of the dial, start position for the needle | |
length | Length of the needle | |
direction | Direction of the needle, in degrees counter clockwise |