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 QwtTransform * copy () 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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