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QwtCompassWindArrow(3) Qwt User's Guide QwtCompassWindArrow(3)

NAME

QwtCompassWindArrow -

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.

  • QPalette::Light Used for Style1, or the light half of Style2
  • QPalette::Dark Used for the dark half of Style2

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 (Stylestyle, 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, doublelength, QPalette::ColorGroupcolorGroup) 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.
Thu Dec 11 2014 Version 6.1.2