itkVanHerkGilWermanErodeDilateImageFilter.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 itkVanHerkGilWermanErodeDilateImageFilter_h
#define itkVanHerkGilWermanErodeDilateImageFilter_h

#include "itkKernelImageFilter.h"
#include "itkProgressReporter.h"
#include "itkBresenhamLine.h"

namespace itk
{

template< typename TInputImage, typename TOutputImage, typename TKernel > class KernelImageFilter;

template< typename TImage, typename TKernel, typename TFunction1 >
class ITK_TEMPLATE_EXPORT VanHerkGilWermanErodeDilateImageFilter:
  public KernelImageFilter< TImage, TImage, TKernel >
{
public:

  typedef VanHerkGilWermanErodeDilateImageFilter Self;
  typedef KernelImageFilter< TImage, TImage, TKernel >
                                                 Superclass;
  typedef SmartPointer< Self >                   Pointer;
  typedef SmartPointer< const Self >             ConstPointer;

  typedef TKernel KernelType;

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

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

  itkNewMacro(Self);

  itkTypeMacro(VanHerkGilWermanErodeDilateImageFilter,
               ImageToImageFilter);

  itkSetMacro(Boundary, InputImagePixelType);
  itkGetConstMacro(Boundary, InputImagePixelType);

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

  void  ThreadedGenerateData(const InputImageRegionType & outputRegionForThread,
                             ThreadIdType threadId) ITK_OVERRIDE;

  // should be set by the meta filter
  InputImagePixelType m_Boundary;

private:
  ITK_DISALLOW_COPY_AND_ASSIGN(VanHerkGilWermanErodeDilateImageFilter);

  typedef BresenhamLine< itkGetStaticConstMacro(InputImageDimension) > BresType;

}; // end of class
} // end namespace itk

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

#endif