Qwt User's Guide  6.1.3
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
 
- Public Member Functions inherited from QwtTransform
 QwtTransform ()
 Constructor.
 
virtual ~QwtTransform ()
 Destructor.
 
virtual double bounded (double value) 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.