itkAnchorOpenCloseImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkAnchorOpenCloseImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-20 16:32:08 $
  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 __itkAnchorOpenCloseImageFilter_h
#define __itkAnchorOpenCloseImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkProgressReporter.h"
#include "itkAnchorOpenCloseLine.h"
#include "itkAnchorErodeDilateLine.h"
#include "itkBresenhamLine.h"

namespace itk {

template<class TImage, class TKernel, 
         class LessThan, class GreaterThan, class LessEqual, class GreaterEqual>
//          class THistogramCompare,
//          class TFunction1, class TFunction2>
class ITK_EXPORT AnchorOpenCloseImageFilter :
    public ImageToImageFilter<TImage, TImage>
{
public:

  typedef AnchorOpenCloseImageFilter               Self;
  typedef ImageToImageFilter<TImage, TImage>       Superclass;
  typedef SmartPointer<Self>                       Pointer;
  typedef SmartPointer<const Self>                 ConstPointer;

  typedef TKernel                                  KernelType;
  typedef typename KernelType::LType               KernelLType;

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

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

  itkNewMacro(Self);

  itkTypeMacro(AnchorOpenCloseImageFilter,
               ImageToImageFilter);

  void SetKernel( const KernelType& kernel )
    {
    m_Kernel=kernel;
    m_KernelSet = true;
    }

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

  void  ThreadedGenerateData (const InputImageRegionType& outputRegionForThread,
                              int threadId);

  void GenerateInputRequestedRegion();

  InputImagePixelType m_Boundary1, m_Boundary2;

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

  TKernel m_Kernel;
  bool    m_KernelSet;
  typedef BresenhamLine<itkGetStaticConstMacro(InputImageDimension)>  BresType;
  typedef typename BresType::OffsetArray                              BresOffsetArray;

  // the class that operates on lines -- does the opening in one
  // operation. The classes following are named on the assumption that
  // we are doing an opening
  
//  typedef AnchorOpenCloseLine<InputImagePixelType, THistogramCompare, TFunction1, TFunction2> AnchorLineOpenType;
  typedef AnchorOpenCloseLine<InputImagePixelType, LessThan, GreaterEqual, LessEqual> AnchorLineOpenType;

  typedef AnchorErodeDilateLine<InputImagePixelType, LessThan, LessEqual> AnchorLineErodeType;
  
  // the class that does the dilation
  typedef AnchorErodeDilateLine<InputImagePixelType, GreaterThan, GreaterEqual> AnchorLineDilateType;

  void DoFaceOpen(InputImageConstPointer input,
                  InputImagePointer output,
                  InputImagePixelType border,
                  KernelLType line,
                  AnchorLineOpenType &AnchorLineOpen,
                  const BresOffsetArray LineOffsets,
                  InputImagePixelType * outbuffer,
                  const InputImageRegionType AllImage, 
                  const InputImageRegionType face);


}; // end of class


} // end namespace itk


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

#endif

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