NAME

       QwtCompassWindArrow -

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)
       virtual void draw (QPainter *, const QPoint &, int length, double direction,
           QPalette::ColorGroup=QPalette::Active) const

   Static Public Member Functions
       static void drawStyle1Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const
           QPoint &, int length, double direction)
       static void drawStyle2Needle (QPainter *, const QPalette &, QPalette::ColorGroup, const
           QPoint &, int length, double direction)

   Additional Inherited Members

Detailed Description

       An indicator for the wind direction.

       QwtCompassWindArrow shows the direction where the wind comes from.

       • QColorGroup::Light
          Used for Style1, or the light half of Style2

       • QColorGroup::Dark
          Used for the dark half of Style2

       See also:
           QwtDial, QwtCompass

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::draw (QPainter *painter, const QPoint &center, intlength,
       doubledirection, QPalette::ColorGroupcolorGroup = QPalette::Active) const [virtual]
       Draw the needle

       Parameters:
           painter Painter
           center Center of the dial, start position for the needle
           length Length of the needle
           direction Direction of the needle, in degrees counter clockwise
           colorGroup Color group, used for painting

       Implements QwtDialNeedle.

   void QwtCompassWindArrow::drawStyle1Needle (QPainter *painter, const QPalette &palette,
       QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static]
       Draw a compass needle

       Parameters:
           painter Painter
           palette Palette
           colorGroup colorGroup
           center Center of the dial, start position for the needle
           length Length of the needle
           direction Direction of the needle, in degrees counter clockwise

   void QwtCompassWindArrow::drawStyle2Needle (QPainter *painter, const QPalette &palette,
       QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, doubledirection) [static]
       Draw a compass needle

       Parameters:
           painter Painter
           palette Palette
           colorGroup colorGroup
           center Center of the dial, start position for the needle
           length Length of the needle
           direction Direction of the needle, in degrees counter clockwise

Author

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