.TH "QwtCompassWindArrow" 3 "Mon Aug 1 2011" "Version 5.2.2" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtCompassWindArrow \- 
.PP
An indicator for the wind direction.  

.SH SYNOPSIS
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\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 { \fBStyle1\fP, \fBStyle2\fP }"
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.SS "Public Member Functions"

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.RI "virtual void \fBdraw\fP (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const "
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.RI "const QPalette & \fBpalette\fP () const "
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.RI "\fBQwtCompassWindArrow\fP (\fBStyle\fP, const QColor &light=Qt::white, const QColor &dark=Qt::gray)"
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.RI "virtual void \fBsetPalette\fP (const QPalette &)"
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.SS "Static Public Member Functions"

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.RI "static void \fBdrawStyle1Needle\fP (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)"
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.RI "static void \fBdrawStyle2Needle\fP (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)"
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.SS "Static Protected Member Functions"

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.RI "static void \fBdrawKnob\fP (QPainter *, const QPoint &pos, int width, const QBrush &, bool sunken)"
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.SH "Detailed Description"
.PP 
An indicator for the wind direction. 

\fBQwtCompassWindArrow\fP shows the direction where the wind comes from.
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.IP "\(bu" 2
QColorGroup::Light
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 Used for Style1, or the light half of Style2
.IP "\(bu" 2
QColorGroup::Dark
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 Used for the dark half of Style2
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\fBSee also:\fP
.RS 4
\fBQwtDial\fP, \fBQwtCompass\fP 
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.SH "Member Enumeration Documentation"
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.SS "enum \fBQwtCompassWindArrow::Style\fP"
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Style of the arrow. 
.SH "Constructor & Destructor Documentation"
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.SS "QwtCompassWindArrow::QwtCompassWindArrow (\fBStyle\fPstyle, const QColor &light = \fCQt::white\fP, const QColor &dark = \fCQt::gray\fP)"Constructor
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\fBParameters:\fP
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\fIstyle\fP Arrow style 
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\fIlight\fP Light color 
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\fIdark\fP Dark color 
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.SH "Member Function Documentation"
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.SS "void QwtCompassWindArrow::draw (QPainter *painter, const QPoint &center, intlength, doubledirection, QPalette::ColorGroupcolorGroup = \fCQPalette::Active\fP) const\fC [virtual]\fP"Draw the needle
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\fBParameters:\fP
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\fIpainter\fP Painter 
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\fIcenter\fP Center of the dial, start position for the needle 
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\fIlength\fP Length of the needle 
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\fIdirection\fP Direction of the needle, in degrees counter clockwise 
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\fIcolorGroup\fP Color group, used for painting 
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Implements \fBQwtDialNeedle\fP.
.SS "void QwtDialNeedle::drawKnob (QPainter *painter, const QPoint &pos, intwidth, const QBrush &brush, boolsunken)\fC [static, protected, inherited]\fP"
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Draw the knob. 
.SS "void QwtCompassWindArrow::drawStyle1Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection)\fC [static]\fP"Draw a compass needle
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\fBParameters:\fP
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\fIpainter\fP Painter 
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\fIpalette\fP Palette 
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\fIcolorGroup\fP colorGroup 
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\fIcenter\fP Center of the dial, start position for the needle 
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\fIlength\fP Length of the needle 
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\fIdirection\fP Direction of the needle, in degrees counter clockwise 
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.SS "void QwtCompassWindArrow::drawStyle2Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection)\fC [static]\fP"Draw a compass needle
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\fBParameters:\fP
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\fIpainter\fP Painter 
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\fIpalette\fP Palette 
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\fIcolorGroup\fP colorGroup 
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\fIcenter\fP Center of the dial, start position for the needle 
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\fIlength\fP Length of the needle 
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\fIdirection\fP Direction of the needle, in degrees counter clockwise 
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.SS "const QPalette & QwtDialNeedle::palette () const\fC [inherited]\fP"\fBReturns:\fP
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the palette of the needle. 
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.SS "void QwtDialNeedle::setPalette (const QPalette &palette)\fC [virtual, inherited]\fP"Sets the palette for the needle.
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\fBParameters:\fP
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\fIpalette\fP New Palette 
.RE
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.SH "Author"
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