itkApproximateSignedDistanceMapImageFilter.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 __itkApproximateSignedDistanceMapImageFilter_h
#define __itkApproximateSignedDistanceMapImageFilter_h

#include "itkFastChamferDistanceImageFilter.h"
#include "itkIsoContourDistanceImageFilter.h"

namespace itk
{
template< class TInputImage, class TOutputImage >
class ITK_EXPORT ApproximateSignedDistanceMapImageFilter:public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef ApproximateSignedDistanceMapImageFilter         Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;

  itkTypeMacro(ApproximateSignedDistanceMapImageFilter, ImageToImageFilter);

  itkNewMacro(Self);

  typedef TInputImage InputImageType;

  typedef TOutputImage OutputImageType;

  typedef typename InputImageType::PixelType InputPixelType;

  typedef typename OutputImageType::PixelType OutputPixelType;

  typedef typename OutputImageType::SizeType     OutputSizeType;
  typedef typename OutputSizeType::SizeValueType OutputSizeValueType;

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      InputImageType::ImageDimension);

  typedef typename InputImageType::ConstPointer InputImagePointer;

  typedef typename OutputImageType::Pointer OutputImagePointer;

  itkSetMacro(InsideValue, InputPixelType);
  itkGetConstMacro(InsideValue, InputPixelType);

  itkSetMacro(OutsideValue, InputPixelType);
  itkGetConstMacro(OutsideValue, InputPixelType);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( InputEqualityComparableCheck,
                   ( Concept::EqualityComparable< typename InputImageType::PixelType > ) );

#endif
protected:
  ApproximateSignedDistanceMapImageFilter();
  virtual ~ApproximateSignedDistanceMapImageFilter() {}
  virtual void GenerateData();

  void PrintSelf(std::ostream & os, Indent indent) const;

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

  // implemented

  typedef IsoContourDistanceImageFilter< InputImageType, OutputImageType >   IsoContourType;
  typedef FastChamferDistanceImageFilter< OutputImageType, OutputImageType > ChamferType;
  typename IsoContourType::Pointer m_IsoContourFilter;

  typename ChamferType::Pointer m_ChamferFilter;

  InputPixelType m_InsideValue;
  InputPixelType m_OutsideValue;
};
} // end of namespace itk

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

#endif