Qwt User's Guide
5.2.3
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#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 |
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QwtDialNeedle () | |
virtual | ~QwtDialNeedle () |
const QPalette & | palette () const |
virtual void | setPalette (const QPalette &) |
Static Public Member Functions | |
static void | drawThinNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction) |
static void | drawTriangleNeedle (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) |
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static void | drawKnob (QPainter *, const QPoint &pos, int width, const QBrush &, bool sunken) |
A magnet needle for compass widgets.
A magnet needle points to two opposite directions indicating north and south.
The following colors are used:
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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.
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staticprotected |
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 |
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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 |
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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 |