QwtTransform Class Reference

A transformation between coordinate systems. More...

#include <qwt_transform.h>

Inheritance diagram for QwtTransform:

Public Member Functions
	QwtTransform ()
	Constructor.
virtual	~QwtTransform ()
	Destructor.
virtual double	bounded (double value) const
	Modify value to be a valid value for the transformation.
virtual double	transform (double value) const =0
	Transformation function.
virtual double	invTransform (double value) const =0
	Inverse transformation function.
virtual QwtTransform *	copy () const =0
	Virtualized copy operation.

Detailed Description

A transformation between coordinate systems.

Constructor & Destructor Documentation

QwtTransform()

QwtTransform::QwtTransform

(

)

Constructor.

Default constructor .

~QwtTransform()

QwtTransform::~QwtTransform ( )

virtual

Destructor.

Destructor .

Member Function Documentation

bounded()

double QwtTransform::bounded ( double  value ) const

virtual

Modify value to be a valid value for the transformation.

Bounded function - returns value unmodified.

Reimplemented in QwtLogTransform.

copy()

virtual QwtTransform * QwtTransform::copy ( ) const

pure virtual

Virtualized copy operation.

Implemented in QwtNullTransform, QwtLogTransform, and QwtPowerTransform.

invTransform()

virtual double QwtTransform::invTransform ( double  value ) const

pure virtual

Inverse transformation function.

Implemented in QwtNullTransform, QwtLogTransform, and QwtPowerTransform.

transform()

virtual double QwtTransform::transform ( double  value ) const

pure virtual

Transformation function.

Implemented in QwtNullTransform, QwtLogTransform, and QwtPowerTransform.

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The documentation for this class was generated from the following files:

• /home/runner/work/QWT/QWT/src/plot/qwt_transform.h
• /home/runner/work/QWT/QWT/src/plot/qwt_transform.cpp