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  (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.

Version 6.1.4                                    Wed Jan 2 2019                           QwtCompassWindArrow(3)