text: /*=========================================================================
   *
   *  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 __itkAnchorErodeDilateImageFilter_h
  #define __itkAnchorErodeDilateImageFilter_h
  
  #include "itkKernelImageFilter.h"
  #include "itkProgressReporter.h"
  #include "itkAnchorErodeDilateLine.h"
  #include "itkBresenhamLine.h"
  
  namespace itk
  {
  /**
   * \class AnchorErodeDilateImageFilter
   * \brief class to implement erosions and dilations using anchor
   * methods. This is the base class that must be instantiated with
   * appropriate definitions of greater, less and so on.
   * The SetBoundary facility isn't necessary for operation of the
   * anchor method but is included for compatibility with other
   * morphology classes in itk.
   * \ingroup ITKMathematicalMorphology
   */
  template< typename TImage, typename TKernel,
            typename TFunction1 >
  class AnchorErodeDilateImageFilter:
    public KernelImageFilter< TImage, TImage, TKernel >
  {
  public:
    /** Standard class typedefs. */
    typedef AnchorErodeDilateImageFilter         Self;
    typedef KernelImageFilter< TImage, TImage, TKernel >
                                                 Superclass;
    typedef SmartPointer< Self >                 Pointer;
    typedef SmartPointer< const Self >           ConstPointer;
  
    /** Some convenient typedefs. */
    /** Kernel typedef. */
    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;
  
    /** ImageDimension constants */
    itkStaticConstMacro(InputImageDimension, unsigned int,
                        TImage::ImageDimension);
    itkStaticConstMacro(OutputImageDimension, unsigned int,
                        TImage::ImageDimension);
  
    /** Standard New method. */
    itkNewMacro(Self);
  
    /** Runtime information support. */
    itkTypeMacro(AnchorErodeDilateImageFilter,
                 KernelImageFilter);
  
    /** Set/Get the boundary value. */
    itkSetMacro(Boundary, InputImagePixelType);
    itkGetConstMacro(Boundary, InputImagePixelType);
  
  protected:
    AnchorErodeDilateImageFilter();
    ~AnchorErodeDilateImageFilter() {}
    void PrintSelf(std::ostream & os, Indent indent) const;
  
    /** Multi-thread version GenerateData. */
    void  ThreadedGenerateData(const InputImageRegionType & outputRegionForThread,
                               ThreadIdType threadId);
  
    // should be set by the meta filter
    InputImagePixelType m_Boundary;
  
  private:
    AnchorErodeDilateImageFilter(const Self &); //purposely not implemented
    void operator=(const Self &);               //purposely not implemented
  
    typedef BresenhamLine< itkGetStaticConstMacro(InputImageDimension) > BresType;
  
    // the class that operates on lines
    typedef AnchorErodeDilateLine< InputImagePixelType, TFunction1 > AnchorLineType;
  }; // end of class
  } // end namespace itk
  
  #ifndef ITK_MANUAL_INSTANTIATION
  #include "itkAnchorErodeDilateImageFilter.hxx"
  #endif
  
  #endif
  