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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkHistogramAlgorithmBase.h
Language: C++
Date: $Date$
Version: $Revision$
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 __itkHistogramAlgorithmBase_h
#define __itkHistogramAlgorithmBase_h
#include "itkMacro.h"
#include "itkObjectFactory.h"
#include "itkObject.h"
namespace itk
{
/** \class HistogramAlgorithmBase
* \brief base class for algorithms operating on histograms
*
* You plug in the target sample data using SetInputHistogram method. Then call
* the GenerateData method to run the alogithm.
*
*/
template< class TInputHistogram >
class ITK_EXPORT HistogramAlgorithmBase : public Object
{
public:
/**Standard class typedefs. */
typedef HistogramAlgorithmBase Self;
typedef Object Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/**Standard Macros */
itkTypeMacro(HistogramAlgorithmBase, Object);
/** Histogram typedefs alias */
typedef TInputHistogram InputHistogramType;
/** Stores the histogram pointer */
void SetInputHistogram( const TInputHistogram * histogram )
{
if ( m_InputHistogram != histogram )
{
m_InputHistogram = histogram;
this->Modified();
}
}
/** Returns the histogram const pointer */
const TInputHistogram * GetInputHistogram() const
{ return m_InputHistogram.GetPointer(); }
/** dummy function that calls the GenerateData() function to generate
* output. It exists for future compatibility with ProcessObject
* without streaming */
void Update()
{ this->GenerateData(); }
protected:
HistogramAlgorithmBase();
virtual ~HistogramAlgorithmBase() {}
void PrintSelf(std::ostream& os, Indent indent) const;
virtual void GenerateData() = 0;
private:
/** Target histogram data pointer */
typename TInputHistogram::ConstPointer m_InputHistogram;
}; // end of class
} // end of namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkHistogramAlgorithmBase.txx"
#endif
#endif
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