QwtSimpleCompassRose Class Reference

#include <qwt_compass_rose.h>

Inheritance diagram for QwtSimpleCompassRose:

List of all members.

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

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()