QwtSimpleCompassRose Class Reference

#include <qwt_compass_rose.h>

Inherits QwtCompassRose.

List of all members.

Public Member Functions
virtual void	draw (QPainter *, const QPointF &center, double 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
virtual	~QwtSimpleCompassRose ()
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	(	int	numThorns = 8,
		int	numThornLevels = -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,
		double	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 QPointF &	center,
		double	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()

const QPalette& QwtCompassRose::palette

(

)

const [inline, inherited]

Returns:

Current palette

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()

virtual void QwtCompassRose::setPalette

(

const QPalette &

p

)

[inline, virtual, inherited]

Assign a palette.

void QwtSimpleCompassRose::setShrinkFactor

(

double

factor

)

Set the Factor how to shrink the thorns with each level The default value is 0.9.

See also:

shrinkFactor()

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::shrinkFactor

(

)

const

Returns:

Factor how to shrink the thorns with each level

See also:

setShrinkFactor()

double QwtSimpleCompassRose::width

(

)

const

See also:

setWidth()