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NAME

       QwtDialSimpleNeedle -

       A needle for dial widgets.

SYNOPSIS

       #include <qwt_dial_needle.h>

       Inherits QwtDialNeedle.

   Public Types
       enum Style { Arrow, Ray }

   Public Member Functions
       virtual void draw (QPainter *, const QPoint &, int length, double direction,
           QPalette::ColorGroup=QPalette::Active) const
       const QPalette & palette () const
       QwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor
           &base=Qt::darkGray)
       virtual void setPalette (const QPalette &)
       void setWidth (int width)
       int width () const

   Static Public Member Functions
       static void drawArrowNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const
           QPoint &, int length, int width, double direction, bool hasKnob)
       static void drawRayNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const
           QPoint &, int length, int width, double direction, bool hasKnob)

   Static Protected Member Functions
       static void drawKnob (QPainter *, const QPoint &pos, int width, const QBrush &, bool
           sunken)

Detailed Description

       A needle for dial widgets.

       The following colors are used:

       · QColorGroup::Mid
          Pointer

       · QColorGroup::base
          Knob

       See also:
           QwtDial, QwtCompass

Member Enumeration Documentation

   enum QwtDialSimpleNeedle::Style
       Style of the needle.

Constructor & Destructor Documentation

   QwtDialSimpleNeedle::QwtDialSimpleNeedle (Stylestyle, boolhasKnob = true, const QColor &mid =
       Qt::gray, const QColor &base = Qt::darkGray) Constructor
       Parameters:
           style Style
           hasKnob With/Without knob
           mid Middle color
           base Base color

Member Function Documentation

   void QwtDialSimpleNeedle::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 QwtDialSimpleNeedle::drawArrowNeedle (QPainter *painter, const QPalette &palette,
       QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, intwidth,
       doubledirection, boolhasKnob) [static] Draw a needle looking like an arrow
       Parameters:
           painter Painter
           palette Palette
           colorGroup Color group
           center center of the needle
           length Length of the needle
           width Width of the needle
           direction Current Direction
           hasKnob With/Without knob

   void QwtDialNeedle::drawKnob (QPainter *painter, const QPoint &pos, intwidth, const QBrush
       &brush, boolsunken) [static, protected, inherited]
       Draw the knob.

   void QwtDialSimpleNeedle::drawRayNeedle (QPainter *painter, const QPalette &palette,
       QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, intwidth,
       doubledirection, boolhasKnob) [static] Draw a needle looking like a ray
       Parameters:
           painter Painter
           palette Palette
           colorGroup Color group
           center center of the needle
           length Length of the needle
           width Width of the needle
           direction Current Direction
           hasKnob With/Without knob

   const QPalette & QwtDialNeedle::palette () const [inherited] Returns:
           the palette of the needle.

   void QwtDialNeedle::setPalette (const QPalette &palette) [virtual, inherited] Sets the palette
       for the needle.
       Parameters:
           palette New Palette

   void QwtDialSimpleNeedle::setWidth (intwidth) Set the width of the needle
       Parameters:
           width Width

       See also:
           width()

   int QwtDialSimpleNeedle::width () const Returns:
           the width of the needle

       See also:
           setWidth()

Author

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