itkImageToHistogramFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageToHistogramFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-08-11 12:41:16 $
  Version:   $Revision: 1.3 $

  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 __itkImageToHistogramFilter_h
#define __itkImageToHistogramFilter_h


#include "itkImageToListSampleAdaptor.h"
#include "itkSampleToHistogramFilter.h"
#include "itkDenseFrequencyContainer2.h"
#include "itkHistogram.h"
#include "itkObject.h"


namespace itk {
namespace Statistics {


template< class TImageType >
class ITK_EXPORT ImageToHistogramFilter : public ProcessObject
{
public:
  typedef ImageToHistogramFilter        Self;
  typedef ProcessObject                 Superclass;
  typedef SmartPointer<Self>            Pointer;
  typedef SmartPointer<const Self>      ConstPointer;

  itkTypeMacro(ImageToHistogramFilter, ProcessObject);

  itkNewMacro(Self);

  typedef TImageType                                        ImageType;
  typedef ImageToListSampleAdaptor< ImageType >             AdaptorType;
  typedef typename AdaptorType::Pointer                     AdaptorPointer;
  typedef typename ImageType::PixelType                     PixelType;
  typedef typename NumericTraits< PixelType >::ValueType    ValueType;
  typedef typename NumericTraits< ValueType >::RealType     ValueRealType;
  typedef DenseFrequencyContainer2                          FrequencyContainerType;

  typedef Histogram< ValueRealType >                        HistogramType;
  typedef typename HistogramType::Pointer                   HistogramPointer;
  typedef typename HistogramType::ConstPointer              HistogramConstPointer;
  typedef typename HistogramType::SizeType                  HistogramSizeType;
  typedef typename HistogramType::MeasurementType           HistogramMeasurementType;
  typedef typename HistogramType::MeasurementVectorType     HistogramMeasurementVectorType;

  typedef SampleToHistogramFilter< 
    AdaptorType, HistogramType >                            GeneratorType;

  typedef typename GeneratorType::Pointer                   GeneratorPointer;

public:

  void SetInput( const ImageType * );
  const ImageType * GetInput() const;

  const HistogramType * GetOutput() const;

  typedef SimpleDataObjectDecorator<
    HistogramSizeType > InputHistogramSizeObjectType;

  typedef SimpleDataObjectDecorator<
    HistogramMeasurementType > InputHistogramMeasurementObjectType;

  typedef SimpleDataObjectDecorator<
    HistogramMeasurementVectorType > InputHistogramMeasurementVectorObjectType;

  typedef SimpleDataObjectDecorator< bool > InputBooleanObjectType;

  itkSetDecoratedInputMacro( HistogramSize, HistogramSizeType, 1 );

  itkSetDecoratedInputMacro( MarginalScale, HistogramMeasurementType, 2 );

  itkSetDecoratedInputMacro( HistogramBinMinimum, HistogramMeasurementVectorType, 3 );
  itkSetDecoratedInputMacro( HistogramBinMaximum, HistogramMeasurementVectorType, 4 );

  itkSetDecoratedInputMacro( AutoMinimumMaximum, bool, 5 );


  virtual void GraftOutput(DataObject *output);

protected:
  ImageToHistogramFilter();
  virtual ~ImageToHistogramFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

  void GenerateData( void );

  DataObject::Pointer  MakeOutput( unsigned int );

private:
  ImageToHistogramFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  AdaptorPointer          m_ImageToListAdaptor;

  GeneratorPointer        m_HistogramGenerator;

};


} // end of namespace Statistics 
} // end of namespace itk 

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageToHistogramFilter.txx"
#endif

#endif