Qwt User's Guide: QwtSimpleCompassRose Class Reference

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QwtSimpleCompassRose Class Reference

A simple rose for QwtCompass. More...

#include <qwt_compass_rose.h>

Inheritance diagram for QwtSimpleCompassRose:
[legend]

List of all members.

Public Member Functions

 QwtSimpleCompassRose (int numThorns=8, int numThornLevels=-1)
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 QPoint &center, int radius, double north, QPalette::ColorGroup=QPalette::Active) const

Static Public Member Functions

static void drawRose (QPainter *, const QPalette &, const QPoint &center, int radius, double origin, double width, int numThorns, int numThornLevels, double shrinkFactor)

Detailed Description

A simple rose for QwtCompass.

Constructor & Destructor Documentation

QwtSimpleCompassRose::QwtSimpleCompassRose ( int  numThorns = 8,
int  numThornLevels = -1 
)

Constructor

Parameters:
numThorns Number of thorns
numThornLevels Number of thorn levels

Member Function Documentation

void QwtSimpleCompassRose::draw ( QPainter *  painter,
const QPoint &  center,
int  radius,
double  north,
QPalette::ColorGroup  cg = 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 QPoint &  center,
int  radius,
double  north,
double  width,
int  numThorns,
int  numThornLevels,
double  shrinkFactor 
) [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 ( int  numThornLevels  ) 

Set the of thorns levels

Parameters:
numThornLevels Number of thorns levels
See also:
setNumThorns(), numThornLevels()
void QwtSimpleCompassRose::setNumThorns ( int  numThorns  ) 

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::setWidth ( double  width  ) 

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::width (  )  const [inline]
See also:
setWidth()
Generated on Wed Sep 2 18:37:27 2009 for Qwt User's Guide by  doxygen 1.6.1
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