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.
- 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 (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
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