NAME

       QwtSimpleCompassRose -

       A simple rose for QwtCompass.

SYNOPSIS

       #include <qwt_compass_rose.h>

       Inherits QwtCompassRose.

   Public Member Functions
       QwtSimpleCompassRose (int numThorns=8, int numThornLevels=-1)
       virtual ~QwtSimpleCompassRose ()
       void setWidth (double w)
       double width () const
       void setNumThorns (int count)
       int numThorns () const
       void setNumThornLevels (int count)
       int numThornLevels () const
       void setShrinkFactor (double factor)
       double shrinkFactor () const
       virtual void draw (QPainter *, const QPointF &center, double radius, double north,
           QPalette::ColorGroup=QPalette::Active) const

   Static Public Member Functions
       static void drawRose (QPainter *, const QPalette &, const QPointF &center, double radius, double origin,
           double width, int numThorns, int numThornLevels, double shrinkFactor)

Detailed Description

       A simple rose for QwtCompass.

Constructor & Destructor Documentation

   QwtSimpleCompassRose::QwtSimpleCompassRose (intnumThorns = 8, intnumThornLevels = -1) Constructor
       Parameters:
           numThorns Number of thorns
           numThornLevels Number of thorn levels

   QwtSimpleCompassRose::~QwtSimpleCompassRose () [virtual]
       Destructor.

Member Function Documentation

   void QwtSimpleCompassRose::draw (QPainter *painter, const QPointF &center, doubleradius, doublenorth,
       QPalette::ColorGroupcg = QPalette::Active) const [virtual] Draw the rose
       Parameters:
           painter Painter
           center Center point
           radius Radius of the rose
           north Position
           cg Color group

       Implements QwtCompassRose.

   void QwtSimpleCompassRose::drawRose (QPainter *painter, const QPalette &palette, const QPointF &center,
       doubleradius, doublenorth, doublewidth, intnumThorns, intnumThornLevels, doubleshrinkFactor) [static]
       Draw the rose
       Parameters:
           painter Painter
           palette Palette
           center Center of the rose
           radius Radius of the rose
           north Position pointing to north
           width Width of the rose
           numThorns Number of thorns
           numThornLevels Number of thorn levels
           shrinkFactor Factor to shrink the thorns with each level

   int QwtSimpleCompassRose::numThornLevels () const Returns:
           Number of thorn levels

       See also:
           setNumThorns(), setNumThornLevels()

   int QwtSimpleCompassRose::numThorns () const Returns:
           Number of thorns

       See also:
           setNumThorns(), setNumThornLevels()

   void QwtSimpleCompassRose::setNumThornLevels (intnumThornLevels) Set the of thorns levels
       Parameters:
           numThornLevels Number of thorns levels

       See also:
           setNumThorns(), numThornLevels()

   void QwtSimpleCompassRose::setNumThorns (intnumThorns) Set the number of thorns on one level The number is
       aligned to a multiple of 4, with a minimum of 4
       Parameters:
           numThorns Number of thorns

       See also:
           numThorns(), setNumThornLevels()

   void QwtSimpleCompassRose::setShrinkFactor (doublefactor) Set the Factor how to shrink the thorns with each
       level The default value is 0.9.
       See also:
           shrinkFactor()

   void QwtSimpleCompassRose::setWidth (doublewidth) Set the width of the rose heads. Lower value make thinner
       heads. The range is limited from 0.03 to 0.4.
       Parameters:
           width Width

   double QwtSimpleCompassRose::shrinkFactor () const Returns:
           Factor how to shrink the thorns with each level

       See also:
           setShrinkFactor()

   double QwtSimpleCompassRose::width () const See also:
           setWidth()

Author

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