/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkAnytimeImageToImageMetricBase.h,v $
  Language:  C++
  Date:      $Date: 2007/08/07 17:09:20 $
  Version:   $Revision: 1.4 $

  Copyright (c) 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 __itkAnytimeImageToImageMetricBase_h
#define __itkAnytimeImageToImageMetricBase_h
#define NUMCHANNELS 20

#include "PerformanceProfileTable.h"

//namespace itk
//{
  
/** \class AnytimeImageToImageMetricBase
 * Generic class to allow crosscasts in optimizers.
 */

class AnytimeImageToImageMetricBase 
{
public:
  virtual double IncrementComputationLevel(const double percent,const int channel)=0;
  virtual void SetComputationLevel(const double percent,const int channel)const=0;
  virtual double GetComputationLevel(const int channel) const=0;
  virtual void ResetComputation (const int channel) const=0;
  virtual void SetChannel (const int channel)=0;
  virtual void LoadPerformanceProfile (const char* filename ) =0;
  virtual void WritePixelsUsed (const char* filename ) =0;
  virtual double GetCurrentAccuracy (const int channel, double feedback )=0; 
  virtual double EstimateCompletionRequired (double feedback, double requiredAccuracy )=0;


  AnytimeImageToImageMetricBase(){};
  virtual ~AnytimeImageToImageMetricBase(){};


   AnytimeImageToImageMetricBase(const AnytimeImageToImageMetricBase&) {}; //purposely not implemented
   void operator=(const AnytimeImageToImageMetricBase&){}; //purposely not implemented



};

//} // end namespace itk

#endif