itkLabelImageToStatisticsLabelMapFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkLabelImageToStatisticsLabelMapFilter_h
#define __itkLabelImageToStatisticsLabelMapFilter_h

#include "itkStatisticsLabelObject.h"
#include "itkLabelImageToLabelMapFilter.h"
#include "itkStatisticsLabelMapFilter.h"

namespace itk
{
template< class TInputImage, class TFeatureImage, class TOutputImage =
            LabelMap< StatisticsLabelObject< typename TInputImage::PixelType,
                                             ::itk::GetImageDimension< TInputImage >::ImageDimension > > >
class ITK_EXPORT LabelImageToStatisticsLabelMapFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef LabelImageToStatisticsLabelMapFilter            Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;

  typedef TInputImage                           InputImageType;
  typedef typename InputImageType::Pointer      InputImagePointer;
  typedef typename InputImageType::ConstPointer InputImageConstPointer;
  typedef typename InputImageType::RegionType   InputImageRegionType;
  typedef typename InputImageType::PixelType    InputImagePixelType;

  typedef TOutputImage                              OutputImageType;
  typedef typename OutputImageType::Pointer         OutputImagePointer;
  typedef typename OutputImageType::ConstPointer    OutputImageConstPointer;
  typedef typename OutputImageType::RegionType      OutputImageRegionType;
  typedef typename OutputImageType::PixelType       OutputImagePixelType;
  typedef typename OutputImageType::LabelObjectType LabelObjectType;

  typedef TFeatureImage                           FeatureImageType;
  typedef typename FeatureImageType::Pointer      FeatureImagePointer;
  typedef typename FeatureImageType::ConstPointer FeatureImageConstPointer;
  typedef typename FeatureImageType::PixelType    FeatureImagePixelType;

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  typedef LabelImageToLabelMapFilter< InputImageType, OutputImageType > LabelizerType;
  typedef StatisticsLabelMapFilter< OutputImageType, FeatureImageType > LabelObjectValuatorType;

  itkNewMacro(Self);

  itkTypeMacro(LabelImageToStatisticsLabelMapFilter,
               ImageToImageFilter);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( InputEqualityComparableCheck,
                   ( Concept::EqualityComparable< InputImagePixelType > ) );
  itkConceptMacro( IntConvertibleToInputCheck,
                   ( Concept::Convertible< int, InputImagePixelType > ) );
  itkConceptMacro( InputOStreamWritableCheck,
                   ( Concept::OStreamWritable< InputImagePixelType > ) );

#endif

  itkSetMacro(BackgroundValue, OutputImagePixelType);
  itkGetConstMacro(BackgroundValue, OutputImagePixelType);

  itkSetMacro(ComputeFeretDiameter, bool);
  itkGetConstReferenceMacro(ComputeFeretDiameter, bool);
  itkBooleanMacro(ComputeFeretDiameter);

  itkSetMacro(ComputePerimeter, bool);
  itkGetConstReferenceMacro(ComputePerimeter, bool);
  itkBooleanMacro(ComputePerimeter);

  void SetFeatureImage(const TFeatureImage *input)
  {
    // Process object is not const-correct so the const casting is required.
    this->SetNthInput( 1, const_cast< TFeatureImage * >( input ) );
  }

  const FeatureImageType * GetFeatureImage()
  {
    return static_cast< FeatureImageType * >( this->ProcessObject::GetInput(1) );
  }

  void SetInput1(const InputImageType *input)
  {
    this->SetInput(input);
  }

  void SetInput2(const FeatureImageType *input)
  {
    this->SetFeatureImage(input);
  }

  itkSetMacro(ComputeHistogram, bool);
  itkGetConstReferenceMacro(ComputeHistogram, bool);
  itkBooleanMacro(ComputeHistogram);

  itkSetMacro(NumberOfBins, unsigned int);
  itkGetConstReferenceMacro(NumberOfBins, unsigned int);
protected:
  LabelImageToStatisticsLabelMapFilter();
  ~LabelImageToStatisticsLabelMapFilter() {}
  void PrintSelf(std::ostream & os, Indent indent) const;

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion( DataObject *itkNotUsed(output) );

  void GenerateData();

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

  OutputImagePixelType m_BackgroundValue;
  bool                 m_ComputeFeretDiameter;
  bool                 m_ComputePerimeter;
  unsigned int         m_NumberOfBins;
  bool                 m_ComputeHistogram;
}; // end of class
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLabelImageToStatisticsLabelMapFilter.hxx"
#endif

#endif