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NAME

       QwtCompassWindArrow -

SYNOPSIS

       Inherits QwtDialNeedle.

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

       Definition at line 165 of file qwt_dial_needle.h.

   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
       void drawStyle1Needle (QPainter *, const QColorGroup &, const QPoint &,
           int length, double direction)
       void drawStyle2Needle (QPainter *, const QColorGroup &, const QPoint &,
           int length, double direction)

Constructor & Destructor Documentation

   QwtCompassWindArrow::QwtCompassWindArrow (Style, const QColor & light =
       Qt::white, const QColor & dark = Qt::gray)
       Constructor.

       Definition at line 437 of file qwt_dial_needle.cpp.

       References QwtDialNeedle::setPalette().

Member Function Documentation

   void QwtCompassWindArrow::draw (QPainter * painter, const QPoint & center,
       int length, double direction, QPalette::ColorGroup cg =
       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
           cg Color group, used for painting

       Implements QwtDialNeedle.

       Definition at line 462 of file qwt_dial_needle.cpp.

       References QwtDialNeedle::colorGroup(), drawStyle1Needle(), and
       drawStyle2Needle().

   void QwtCompassWindArrow::drawStyle1Needle (QPainter * painter, const
       QColorGroup & cg, const QPoint & center, int length, double direction)
       [static]
       Draw a compass needle Definition at line 480 of file
       qwt_dial_needle.cpp.

       Referenced by draw().

   void QwtCompassWindArrow::drawStyle2Needle (QPainter * painter, const
       QColorGroup & cg, const QPoint & center, int length, double direction)
       [static]
       Draw a compass needle Definition at line 508 of file
       qwt_dial_needle.cpp.

       Referenced by draw().

Author

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