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QwtSimpleCompassRose(3) Qwt User's Guide QwtSimpleCompassRose(3)

NAME

QwtSimpleCompassRose -
A simple rose for QwtCompass.
 

SYNOPSIS

#include <qwt_compass_rose.h>
Inherits QwtCompassRose.

Public Member Functions


virtual void draw (QPainter *, const QPoint &center, int radius, double north, QPalette::ColorGroup=QPalette::Active) const
 
int numThornLevels () const
 
int numThorns () const
 
const QPalette & palette () const
 
QwtSimpleCompassRose (int numThorns=8, int numThornLevels=-1)
 
void setNumThornLevels (int count)
 
void setNumThorns (int count)
 
virtual void setPalette (const QPalette &p)
 
void setShrinkFactor (double factor)
 
void setWidth (double w)
 
double shrinkFactor () const
 
double width () 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 (intnumThorns = 8, intnumThornLevels = -1) Constructor

Parameters:
numThorns Number of thorns
 
numThornLevels Number of thorn levels
 

Member Function Documentation

void QwtSimpleCompassRose::draw (QPainter *painter, const QPoint &center, intradius, 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 QPoint &center, intradius, 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()
 

const QPalette& QwtCompassRose::palette () const [inline, inherited] Returns:

Current palette
 

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()
 

virtual void QwtCompassRose::setPalette (const QPalette &p) [inline, virtual, inherited]

Assign a palette.

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::width () const [inline] See also:

setWidth()
 
 

Author

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Mon Aug 1 2011 Version 5.2.2