NAME¶

QwtCompassWindArrow - An indicator for the wind direction.

SYNOPSIS¶

#include <qwt_dial_needle.h> Inherits QwtDialNeedle.

Public Types¶

enum Style { Style1, Style2 }

Public Member Functions¶

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

Protected Member Functions¶

virtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const

Detailed Description¶

An indicator for the wind direction. QwtCompassWindArrow shows the direction where the wind comes from.

•

QPalette::Light

 

Used for Style1, or the light half of Style2

•

QPalette::Dark

 

Used for the dark half of Style2

See also:

Member Enumeration Documentation¶

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 (Stylestyle, const QColor &light = Qt::white, const QColor &dark = Qt::gray) Constructor¶

Parameters:

Member Function Documentation¶

void QwtCompassWindArrow::drawNeedle (QPainter *painter, doublelength, QPalette::ColorGroupcolorGroup) const [protected, virtual] Draw the needle¶

Parameters: Implements QwtDialNeedle.

Author¶

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