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QwtCompassWindArrow Class Reference

Inheritance diagram for QwtCompassWindArrow:

QwtDialNeedle List of all members.

Detailed Description

An indicator for the wind direction.

QwtCompassWindArrow shows the direction where the wind comes from.

See also:
QwtDial, QwtCompass


Public Types

enum  Style {
  Style1,
  Style2
}

Public Member Functions

 QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray)
virtual void draw (QPainter *, const QPoint &, int length, double direction, QPalette::ColorGroup=QPalette::Active) const

Static Public Member Functions

void drawStyle1Needle (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)
void drawStyle2Needle (QPainter *, const QColorGroup &, const QPoint &, int length, double direction)


Constructor & Destructor Documentation

QwtCompassWindArrow::QwtCompassWindArrow Style  ,
const QColor &  light = Qt::white,
const QColor &  dark = Qt::gray
 

Constructor.


Member Function Documentation

void QwtCompassWindArrow::draw QPainter *  painter,
const QPoint &  center,
int  length,
double  direction,
QPalette::ColorGroup  cg = QPalette::Active
const [virtual]
 

Draw the needle

Parameters:
painter Painter
center Center of the dial, start position for the needle
length Length of the needle
direction Direction of the needle, in degrees counter clockwise
cg Color group, used for painting

Implements QwtDialNeedle.


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