A magnet needle for compass widgets. More...
#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) | |
virtual void | draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const |
Static Public Member Functions | |
static void | drawTriangleNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction) |
static void | drawThinNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction) |
Static Protected Member Functions | |
static void | drawPointer (QPainter *painter, const QBrush &brush, int colorOffset, const QPoint ¢er, int length, int width, double direction) |
A magnet needle for compass widgets.
A magnet needle points to two opposite directions indicating north and south.
The following colors are used:
Style of the needle.
QwtCompassMagnetNeedle::QwtCompassMagnetNeedle | ( | Style | style = TriangleStyle , |
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const QColor & | light = Qt::white , |
|||
const QColor & | dark = Qt::red | |||
) |
Constructor.
void QwtCompassMagnetNeedle::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 QwtCompassMagnetNeedle::drawPointer | ( | QPainter * | painter, | |
const QBrush & | brush, | |||
int | colorOffset, | |||
const QPoint & | center, | |||
int | length, | |||
int | width, | |||
double | direction | |||
) | [static, protected] |
Draw a compass needle
painter | Painter | |
brush | Brush | |
colorOffset | Color offset | |
center | Center, where the needle starts | |
length | Length of the needle | |
width | Width of the needle | |
direction | Direction |
void QwtCompassMagnetNeedle::drawThinNeedle | ( | 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 | Color group | |
center | Center, where the needle starts | |
length | Length of the needle | |
direction | Direction |
void QwtCompassMagnetNeedle::drawTriangleNeedle | ( | 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 | Color group | |
center | Center, where the needle starts | |
length | Length of the needle | |
direction | Direction |