qwtdialsimpleneedle.3

linux下qt的第三方的一个类

.TH "QwtDialSimpleNeedle" 3 "16 Nov 2004" "Version 4.2.0" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtDialSimpleNeedle \- 
.SH SYNOPSIS
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.PP
Inherits \fBQwtDialNeedle\fP.
.PP
.SH "Detailed Description"
.PP 
A needle for dial widgets
.PP
The following colors are used:
.IP "\(bu" 2
QColorGroup::Mid
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 Pointer
.IP "\(bu" 2
QColorGroup::base
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 Knob
.PP
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\fBSee also:\fP
.RS 4
\fBQwtDial\fP, \fBQwtCompass\fP 
.RE
.PP

.PP
Definition at line 74 of file qwt_dial_needle.h.
.SS "Public Types"

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.RI "enum \fBStyle\fP { \fBArrow\fP, \fBRay\fP }"
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.SS "Public Member Functions"

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.RI "\fBQwtDialSimpleNeedle\fP (Style, bool hasKnob=TRUE, const QColor &mid=Qt::gray, const QColor &base=Qt::darkGray)"
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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 "void \fBsetWidth\fP (int width)"
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.RI "int \fBwidth\fP () const"
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.SS "Static Public Member Functions"

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.RI "void \fBdrawArrowNeedle\fP (QPainter *, const QColorGroup &, const QPoint &, int length, int width, double direction, bool hasKnob)"
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.RI "void \fBdrawRayNeedle\fP (QPainter *, const QColorGroup &, const QPoint &, int length, int width, double direction, bool hasKnob)"
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.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtDialSimpleNeedle::QwtDialSimpleNeedle (Style style, bool hasKnob = \fCTRUE\fP, const QColor & mid = \fCQt::gray\fP, const QColor & base = \fCQt::darkGray\fP)"
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Constructor Definition at line 101 of file qwt_dial_needle.cpp.
.PP
References QwtDialNeedle::setPalette().
.SH "Member Function Documentation"
.PP 
.SS "void QwtDialSimpleNeedle::draw (QPainter * painter, const QPoint & center, int length, double direction, QPalette::ColorGroup cg = \fCQPalette::Active\fP) const\fC [virtual]\fP"
.PP
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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\fIcg\fP Color group, used for painting 
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Implements \fBQwtDialNeedle\fP.
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Definition at line 142 of file qwt_dial_needle.cpp.
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References QwtDialNeedle::colorGroup(), drawArrowNeedle(), and drawRayNeedle().
.SS "void QwtDialSimpleNeedle::drawArrowNeedle (QPainter * painter, const QColorGroup & cg, const QPoint & center, int length, int width, double direction, bool hasKnob)\fC [static]\fP"
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Draw a needle looking like an arrow Definition at line 208 of file qwt_dial_needle.cpp.
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References QwtDialNeedle::drawKnob().
.PP
Referenced by draw().
.SS "void QwtDialSimpleNeedle::drawRayNeedle (QPainter * painter, const QColorGroup & cg, const QPoint & center, int length, int width, double direction, bool hasKnob)\fC [static]\fP"
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Draw a needle looking like a ray Definition at line 160 of file qwt_dial_needle.cpp.
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References QwtDialNeedle::drawKnob().
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Referenced by draw().
.SS "void QwtDialSimpleNeedle::setWidth (int width)"
.PP
Set the width of the needle. 
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Definition at line 120 of file qwt_dial_needle.cpp.
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Referenced by QwtAnalogClock::QwtAnalogClock().
.SS "int QwtDialSimpleNeedle::width () const"
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\fBReturns:\fP
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the width of the needle 
.RE
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Definition at line 128 of file qwt_dial_needle.cpp.

.SH "Author"
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