.TH "QwtCompassWindArrow" 3 "Tue Nov 20 2012" "Version 5.2.3" "Qwt User's Guide" \" -*- nroff -*- .ad l .nh .SH NAME QwtCompassWindArrow \- .SH SYNOPSIS .br .PP .PP \fC#include \fP .PP Inherits \fBQwtDialNeedle\fP\&. .SS "Public Types" .in +1c .ti -1c .RI "enum \fBStyle\fP { \fBStyle1\fP, \fBStyle2\fP }" .br .in -1c .SS "Public Member Functions" .in +1c .ti -1c .RI "\fBQwtCompassWindArrow\fP (\fBStyle\fP, const QColor &light=Qt::white, const QColor &dark=Qt::gray)" .br .ti -1c .RI "virtual void \fBdraw\fP (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const " .br .in -1c .SS "Static Public Member Functions" .in +1c .ti -1c .RI "static void \fBdrawStyle1Needle\fP (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)" .br .ti -1c .RI "static void \fBdrawStyle2Needle\fP (QPainter *, const QPalette &, QPalette::ColorGroup, const QPoint &, int length, double direction)" .br .in -1c .SS "Additional Inherited Members" .SH "Detailed Description" .PP An indicator for the wind direction\&. \fBQwtCompassWindArrow\fP shows the direction where the wind comes from\&. .PP .IP "\(bu" 2 QColorGroup::Light .br Used for Style1, or the light half of Style2 .IP "\(bu" 2 QColorGroup::Dark .br Used for the dark half of Style2 .PP .PP \fBSee also:\fP .RS 4 \fBQwtDial\fP, \fBQwtCompass\fP .RE .PP .SH "Constructor & Destructor Documentation" .PP .SS "QwtCompassWindArrow::QwtCompassWindArrow (\fBStyle\fPstyle, const QColor &light = \fCQt::white\fP, const QColor &dark = \fCQt::gray\fP)" Constructor .PP \fBParameters:\fP .RS 4 \fIstyle\fP Arrow style .br \fIlight\fP Light color .br \fIdark\fP Dark color .RE .PP .SH "Member Function Documentation" .PP .SS "void QwtCompassWindArrow::draw (QPainter *painter, const QPoint ¢er, intlength, doubledirection, QPalette::ColorGroupcolorGroup = \fCQPalette::Active\fP) const\fC [virtual]\fP" Draw the needle .PP \fBParameters:\fP .RS 4 \fIpainter\fP Painter .br \fIcenter\fP Center of the dial, start position for the needle .br \fIlength\fP Length of the needle .br \fIdirection\fP Direction of the needle, in degrees counter clockwise .br \fIcolorGroup\fP Color group, used for painting .RE .PP .PP Implements \fBQwtDialNeedle\fP\&. .SS "void QwtCompassWindArrow::drawStyle1Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint ¢er, intlength, doubledirection)\fC [static]\fP" Draw a compass needle .PP \fBParameters:\fP .RS 4 \fIpainter\fP Painter .br \fIpalette\fP Palette .br \fIcolorGroup\fP colorGroup .br \fIcenter\fP Center of the dial, start position for the needle .br \fIlength\fP Length of the needle .br \fIdirection\fP Direction of the needle, in degrees counter clockwise .RE .PP .SS "void QwtCompassWindArrow::drawStyle2Needle (QPainter *painter, const QPalette &palette, QPalette::ColorGroupcolorGroup, const QPoint ¢er, intlength, doubledirection)\fC [static]\fP" Draw a compass needle .PP \fBParameters:\fP .RS 4 \fIpainter\fP Painter .br \fIpalette\fP Palette .br \fIcolorGroup\fP colorGroup .br \fIcenter\fP Center of the dial, start position for the needle .br \fIlength\fP Length of the needle .br \fIdirection\fP Direction of the needle, in degrees counter clockwise .RE .PP .SH "Author" .PP Generated automatically by Doxygen for Qwt User's Guide from the source code\&.