QwtScaleDiv Class Reference

#include <qwt_scale_div.h>

List of all members.

Public Types
enum	TickType {   NoTick = -1,   MinorTick,   MediumTick,   MajorTick,   NTickTypes }

Public Member Functions
	QwtScaleDiv ()
	QwtScaleDiv (const QwtDoubleInterval &, QwtValueList[NTickTypes])
	QwtScaleDiv (double lowerBound, double upperBound, QwtValueList[NTickTypes])
bool	contains (double v) const
QwtDoubleInterval	interval () const
void	invalidate ()
void	invert ()
bool	isValid () const
double	lowerBound () const
int	operator!= (const QwtScaleDiv &s) const
int	operator== (const QwtScaleDiv &s) const
double	range () const
void	setInterval (double lowerBound, double upperBound)
void	setInterval (const QwtDoubleInterval &)
void	setTicks (int type, const QwtValueList &)
const QwtValueList &	ticks (int type) const
double	upperBound () const

---

Detailed Description

A class representing a scale division.

A scale division consists of its limits and 3 list of tick values qualified as major, medium and minor ticks.

In most cases scale divisions are calculated by a QwtScaleEngine.

See also:

subDivideInto(), subDivide()

---

Constructor & Destructor Documentation

QwtScaleDiv::QwtScaleDiv ( const QwtDoubleInterval &  interval, QwtValueList  ticks[NTickTypes]  )

explicit

Construct QwtScaleDiv instance.

Parameters:

interval	Interval
ticks	List of major, medium and minor ticks

QwtScaleDiv::QwtScaleDiv ( double  lowerBound, double  upperBound, QwtValueList  ticks[NTickTypes]  )

explicit

Construct QwtScaleDiv instance.

Parameters:

lowerBound	First interval limit
upperBound	Second interval limit
ticks	List of major, medium and minor ticks

---

Member Function Documentation

bool QwtScaleDiv::contains

(

double

value

)

const

Return if a value is between lowerBound() and upperBound()

Parameters:

value

Value

Returns:

true/false

QwtDoubleInterval QwtScaleDiv::interval ( ) const

inline

Returns:

lowerBound -> upperBound

double QwtScaleDiv::lowerBound ( ) const

inline

Returns:

lower bound

See also:

upperBound()

int QwtScaleDiv::operator!=

(

const QwtScaleDiv &

s

)

const

Inequality.

Returns:

true if this instance is not equal to s

int QwtScaleDiv::operator==

(

const QwtScaleDiv &

other

)

const

Equality operator.

Returns:

true if this instance is equal to other

double QwtScaleDiv::range ( ) const

inline

Returns:

upperBound() - lowerBound()

void QwtScaleDiv::setInterval ( double  lowerBound, double  upperBound  )

inline

Change the interval

Parameters:

lowerBound	lower bound
upperBound	upper bound

void QwtScaleDiv::setInterval

(

const QwtDoubleInterval &

interval

)

Change the interval

Parameters:

interval

Interval

void QwtScaleDiv::setTicks	(	int	type,
		const QwtValueList &	ticks
	)

Assign ticks

Parameters:

type	MinorTick, MediumTick or MajorTick
ticks	Values of the tick positions

const QwtValueList & QwtScaleDiv::ticks

(

int

type

)

const

Return a list of ticks

Parameters:

type	MinorTick, MediumTick or MajorTick

double QwtScaleDiv::upperBound ( ) const

inline

Returns:

upper bound

See also:

lowerBound()