Qwt User's Guide
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 QwtTransformcopy () const

Detailed Description

Null transformation.

QwtNullTransform returns the values unmodified.


Member Function Documentation

QwtTransform * QwtNullTransform::copy ( ) const [virtual]
Returns:
Clone of the transformation

Implements QwtTransform.

double QwtNullTransform::invTransform ( double  value) const [virtual]
Parameters:
valueValue to be transformed
Returns:
value unmodified

Implements QwtTransform.

double QwtNullTransform::transform ( double  value) const [virtual]
Parameters:
valueValue to be transformed
Returns:
value unmodified

Implements QwtTransform.

List of all members.

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