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Man Pages
QwtCompassMagnetNeedle(3) Qwt User's Guide QwtCompassMagnetNeedle(3)

QwtCompassMagnetNeedle -

#include <qwt_dial_needle.h>
Inherits QwtDialNeedle.


enum Style { TriangleStyle, ThinStyle }
 


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 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 void drawPointer (QPainter *painter, const QBrush &brush, int colorOffset, const QPoint &center, 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:
QColorGroup::Light
 

Used for pointing south
QColorGroup::Dark
 

Used for pointing north
QColorGroup::Base
 

Knob (ThinStyle only)
See also:
QwtDial, QwtCompass

Draw the needle
Parameters:
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.

Draw a compass needle
Parameters:
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

Draw a compass needle
Parameters:
painter Painter
 
palette Palette
 
colorGroup Color group
 
center Center, where the needle starts
 
length Length of the needle
 
direction Direction

Draw a compass needle
Parameters:
painter Painter
 
palette Palette
 
colorGroup Color group
 
center Center, where the needle starts
 
length Length of the needle
 
direction Direction

Generated automatically by Doxygen for Qwt User's Guide from the source code.
Tue Nov 20 2012 Version 5.2.3

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