.TH "QwtCompassMagnetNeedle" 3 "Fri Apr 15 2011" "Version 6.0.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtCompassMagnetNeedle \- 
.PP
A magnet needle for compass widgets.  

.SH SYNOPSIS
.br
.PP
.PP
\fC#include <qwt_dial_needle.h>\fP
.PP
Inherits \fBQwtDialNeedle\fP.
.SS "Public Types"

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.RI "enum \fBStyle\fP { \fBTriangleStyle\fP, \fBThinStyle\fP }"
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.SS "Public Member Functions"

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.RI "\fBQwtCompassMagnetNeedle\fP (\fBStyle\fP=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red)"
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.SS "Protected Member Functions"

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.RI "virtual void \fBdrawNeedle\fP (QPainter *, double length, QPalette::ColorGroup) const "
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.SH "Detailed Description"
.PP 
A magnet needle for compass widgets. 

A magnet needle points to two opposite directions indicating north and south.
.PP
The following colors are used:
.IP "\(bu" 2
QPalette::Light
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 Used for pointing south
.IP "\(bu" 2
QPalette::Dark
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 Used for pointing north
.IP "\(bu" 2
QPalette::Base
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 Knob (ThinStyle only)
.PP
.PP
\fBSee also:\fP
.RS 4
\fBQwtDial\fP, \fBQwtCompass\fP 
.RE
.PP

.SH "Member Enumeration Documentation"
.PP 
.SS "enum \fBQwtCompassMagnetNeedle::Style\fP"
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Style of the needle. 
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\fBEnumerator: \fP
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.TP
\fB\fITriangleStyle \fP\fP
A needle with a triangular shape. 
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\fB\fIThinStyle \fP\fP
A thin needle. 
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtCompassMagnetNeedle::QwtCompassMagnetNeedle (\fBStyle\fPstyle = \fCTriangleStyle\fP, const QColor &light = \fCQt::white\fP, const QColor &dark = \fCQt::red\fP)"
.PP
Constructor. 
.SH "Member Function Documentation"
.PP 
.SS "void QwtCompassMagnetNeedle::drawNeedle (QPainter *painter, doublelength, QPalette::ColorGroupcolorGroup) const\fC [protected, virtual]\fP"Draw the needle
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\fBParameters:\fP
.RS 4
\fIpainter\fP Painter 
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\fIlength\fP Length of the needle 
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\fIcolorGroup\fP Color group, used for painting 
.RE
.PP

.PP
Implements \fBQwtDialNeedle\fP.

.SH "Author"
.PP 
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