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/*=========================================================================
Program: ITK-SNAP
Module: $RCSfile: IntensityCurveInterface.h,v $
Language: C++
Date: $Date: 2009/09/10 19:44:50 $
Version: $Revision: 1.3 $
Copyright (c) 2007 Paul A. Yushkevich
This file is part of ITK-SNAP
ITK-SNAP is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-----
Copyright (c) 2003 Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __IntensityCurveInterface_h_
#define __IntensityCurveInterface_h_
#include <itkDataObject.h>
#include <itkObjectFactory.h>
#include <Registry.h>
#include <SNAPEvents.h>
/**
* \class IntensityCurveInterface
* \brief The base class for intensity mapping splines
*/
class ITK_EXPORT IntensityCurveInterface : public itk::DataObject
{
public:
/** Standard class typedefs. */
typedef IntensityCurveInterface Self;
typedef itk::DataObject Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(IntensityCurveInterface,itk::DataObject)
/**
* Initialize the spline with initial number of control points.
* The spline will be a linear mapping from (0,0) to (1,1)
*/
virtual void Initialize(unsigned int nControlPoints = 3) = 0;
/**
* Reset to linear mapping, keeping number of points intact
*/
virtual void Reset() { this->Initialize(this->GetControlPointCount()); }
// Check if the curve is in default state (linear from 0 to 1)
virtual bool IsInDefaultState() = 0;
/**
* Get the value of a control point
*/
virtual void GetControlPoint(unsigned int iControlPoint,
float &t, float &x) const = 0;
/**
* Get the value of a control point
*/
virtual unsigned int GetControlPointCount() const = 0;
/**
* Update the value of a control point
*/
virtual void UpdateControlPoint(unsigned int iControlPoint,
float t, float x) = 0;
/**
* This method linearly maps the t-values of all the control points to
* the range between tMin and tMax. It's used for intensity windowing
* where we want to adjust the domain of the curve without changing its
* shape
*/
virtual void ScaleControlPointsToWindow(float tMin, float tMax) = 0;
/**
* Check the monotonicity of the spline curve
*/
virtual bool IsMonotonic() const = 0;
/** Load the curve from a registry object */
virtual void LoadFromRegistry(Registry ®istry) = 0;
/** Save the curve to a registry object */
virtual void SaveToRegistry(Registry ®istry) const = 0;
/** Evaluate the curve */
virtual float Evaluate(const float &t) const = 0;
protected:
IntensityCurveInterface(){};
virtual ~IntensityCurveInterface(){};
private:
IntensityCurveInterface(const Self& ); //purposely not implemented
void operator=(const Self& ); //purposely not implemented
};
#endif // __IntensityCurveInterface_h_
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