QwtCompassMagnetNeedle.3 1.96 KB
.TH "QwtCompassMagnetNeedle" 3 "Sat Jan 26 2013" "Version 6.1-rc3" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtCompassMagnetNeedle \- 
.PP
A magnet needle for compass widgets\&.  

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

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.RI "enum \fBStyle\fP { \fBTriangleStyle\fP, \fBThinStyle\fP }"
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.RI "\fIStyle of the needle\&. \fP"
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.SS "Public Member Functions"

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.RI "\fBQwtCompassMagnetNeedle\fP (\fBStyle\fP=\fBTriangleStyle\fP, const QColor &light=Qt::white, const QColor &dark=Qt::red)"
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.RI "\fIConstructor\&. \fP"
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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)
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\fBSee Also:\fP
.RS 4
\fBQwtDial\fP, \fBQwtCompass\fP 
.RE
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.SH "Member Enumeration Documentation"
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.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 "Member Function Documentation"
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.SS "void QwtCompassMagnetNeedle::drawNeedle (QPainter *painter, doublelength, QPalette::ColorGroupcolorGroup) const\fC [protected]\fP, \fC [virtual]\fP"
Draw the needle
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\fBParameters:\fP
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\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
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.PP
Implements \fBQwtDialNeedle\fP\&.

.SH "Author"
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.