qwtcompasswindarrow.3

linux下qt的第三方的一个类

.TH "QwtCompassWindArrow" 3 "16 Nov 2004" "Version 4.2.0" "Qwt User's Guide" \" -*- nroff -*-
.ad l
.nh
.SH NAME
QwtCompassWindArrow \- 
.SH SYNOPSIS
.br
.PP
Inherits \fBQwtDialNeedle\fP.
.PP
.SH "Detailed Description"
.PP 
An indicator for the wind direction. 

QwtCompassWindArrow 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

.PP
Definition at line 165 of file qwt_dial_needle.h.
.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 (Style, 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 "void \fBdrawStyle1Needle\fP (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)"
.br
.ti -1c
.RI "void \fBdrawStyle2Needle\fP (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)"
.br
.in -1c
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtCompassWindArrow::QwtCompassWindArrow (Style, const QColor & light = \fCQt::white\fP, const QColor & dark = \fCQt::gray\fP)"
.PP
Constructor. 
.PP
Definition at line 437 of file qwt_dial_needle.cpp.
.PP
References QwtDialNeedle::setPalette().
.SH "Member Function Documentation"
.PP 
.SS "void QwtCompassWindArrow::draw (QPainter * painter, const QPoint & center, int length, double direction, QPalette::ColorGroup cg = \fCQPalette::Active\fP) const\fC [virtual]\fP"
.PP
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
\fIcg\fP Color group, used for painting 
.RE
.PP

.PP
Implements \fBQwtDialNeedle\fP.
.PP
Definition at line 462 of file qwt_dial_needle.cpp.
.PP
References QwtDialNeedle::colorGroup(), drawStyle1Needle(), and drawStyle2Needle().
.SS "void QwtCompassWindArrow::drawStyle1Needle (QPainter * painter, const QColorGroup & cg, const QPoint & center, int length, double direction)\fC [static]\fP"
.PP
Draw a compass needle Definition at line 480 of file qwt_dial_needle.cpp.
.PP
Referenced by draw().
.SS "void QwtCompassWindArrow::drawStyle2Needle (QPainter * painter, const QColorGroup & cg, const QPoint & center, int length, double direction)\fC [static]\fP"
.PP
Draw a compass needle Definition at line 508 of file qwt_dial_needle.cpp.
.PP
Referenced by draw().

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