QwtNullTransform Class Reference

Null transformation. More...

#include <qwt_transform.h>

Inheritance diagram for QwtNullTransform:

Public Member Functions
	QwtNullTransform ()
	Constructor.
virtual	~QwtNullTransform ()
	Destructor.
virtual double	transform (double value) const
virtual double	invTransform (double value) const
virtual QwtTransform *	copy () const

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Detailed Description

Null transformation.

QwtNullTransform returns the values unmodified.

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Member Function Documentation

QwtTransform * QwtNullTransform::copy

(

)

const [virtual]

Returns:

Clone of the transformation

Implements QwtTransform.

double QwtNullTransform::invTransform

(

double

value

)

const [virtual]

Parameters:

value

Value to be transformed

Returns:

value unmodified

Implements QwtTransform.

double QwtNullTransform::transform

(

double

value

)

const [virtual]

Parameters:

value

Value to be transformed

Returns:

value unmodified

Implements QwtTransform.

List of all members.