QwtCompassWindArrow - Man Page

An indicator for the wind direction.

Synopsis

#include <qwt_dial_needle.h>

Inherits QwtDialNeedle.

Public Types

enum Style { Style1, Style2 }
Style of the arrow.

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.

See also

QwtDial, QwtCompass

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

Constructor

Parameters

style Arrow style
light Light color
dark Dark color

Member Function Documentation

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

Draw the needle

Parameters

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

Implements QwtDialNeedle.

Author

Generated automatically by Doxygen for Qwt User's Guide from the source code.

Info

Mon Jun 1 2020 Version 6.1.5 Qwt User's Guide