QwtCompassMagnetNeedle.3
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.TH "QwtCompassMagnetNeedle" 3 "Sat Jan 26 2013" "Version 6.1-rc3" "Qwt User's Guide" \" -*- nroff -*-
.ad l
.nh
.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"
.in +1c
.ti -1c
.RI "enum \fBStyle\fP { \fBTriangleStyle\fP, \fBThinStyle\fP }"
.br
.RI "\fIStyle of the needle\&. \fP"
.in -1c
.SS "Public Member Functions"
.in +1c
.ti -1c
.RI "\fBQwtCompassMagnetNeedle\fP (\fBStyle\fP=\fBTriangleStyle\fP, const QColor &light=Qt::white, const QColor &dark=Qt::red)"
.br
.RI "\fIConstructor\&. \fP"
.in -1c
.SS "Protected Member Functions"
.in +1c
.ti -1c
.RI "virtual void \fBdrawNeedle\fP (QPainter *, double length, QPalette::ColorGroup) const "
.br
.in -1c
.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
.br
Used for pointing south
.IP "\(bu" 2
QPalette::Dark
.br
Used for pointing north
.IP "\(bu" 2
QPalette::Base
.br
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"
.PP
Style of the needle\&.
.PP
\fBEnumerator\fP
.in +1c
.TP
\fB\fITriangleStyle \fP\fP
A needle with a triangular shape\&.
.TP
\fB\fIThinStyle \fP\fP
A thin needle\&.
.SH "Member Function Documentation"
.PP
.SS "void QwtCompassMagnetNeedle::drawNeedle (QPainter *painter, doublelength, QPalette::ColorGroupcolorGroup) const\fC [protected]\fP, \fC [virtual]\fP"
Draw the needle
.PP
\fBParameters:\fP
.RS 4
\fIpainter\fP Painter
.br
\fIlength\fP Length of the needle
.br
\fIcolorGroup\fP Color group, used for painting
.RE
.PP
.PP
Implements \fBQwtDialNeedle\fP\&.
.SH "Author"
.PP
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.