QwtCompassWindArrow Class Reference

An indicator for the wind direction. More...

#include <qwt_dial_needle.h>

Inheritance diagram for QwtCompassWindArrow:

Public Types
enum	Style { Style1 , Style2 }
	Style of the arrow . More...

Public Member Functions
	QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray)
	Constructor.
Public Member Functions inherited from QwtDialNeedle
	QwtDialNeedle ()
	Constructor.
virtual	~QwtDialNeedle ()
	Destructor.
virtual void	setPalette (const QPalette &)
	Set the palette for the needle.
const QPalette &	palette () const
	Return the palette of the needle.
virtual void	draw (QPainter *, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const
	Draw the needle.

Protected Member Functions
virtual void	drawNeedle (QPainter *, double length, QPalette::ColorGroup) const override
	Draw the needle.
Protected Member Functions inherited from QwtDialNeedle
virtual void	drawKnob (QPainter *, double width, const QBrush &, bool sunken) const
	Draw the knob.

Detailed Description

An indicator for the wind direction.

Member Enumeration Documentation

Style

enum QwtCompassWindArrow::Style

Style of the arrow .

Enumerator
Style1	A needle pointing to the center .
Style2	A needle pointing to the center .

Constructor & Destructor Documentation

QwtCompassWindArrow()

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

Constructor.

Member Function Documentation

drawNeedle()

void QwtCompassWindArrow::drawNeedle ( QPainter *  painter, double  length, QPalette::ColorGroup  colorGroup  ) const

overrideprotectedvirtual

Draw the needle.

Parameters

painter	Painter
length	Length of the needle
colorGroup	Color group, used for painting

Implements QwtDialNeedle.

---

The documentation for this class was generated from the following files:

• /home/runner/work/QWT/QWT/src/plot/qwt_dial_needle.h
• /home/runner/work/QWT/QWT/src/plot/qwt_dial_needle.cpp