itkCheckerBoardImageFilter.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 __itkCheckerBoardImageFilter_h
#define __itkCheckerBoardImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
template< typename TImage >
class CheckerBoardImageFilter:
  public ImageToImageFilter< TImage, TImage >
{
public:
  typedef CheckerBoardImageFilter              Self;
  typedef ImageToImageFilter< TImage, TImage > Superclass;
  typedef SmartPointer< Self >                 Pointer;
  typedef SmartPointer< const Self >           ConstPointer;

  typedef TImage                                InputImageType;
  typedef TImage                                OutputImageType;
  typedef typename InputImageType::ConstPointer InputImageConstPointer;
  typedef typename OutputImageType::Pointer     OutputImagePointer;
  typedef typename OutputImageType::RegionType  ImageRegionType;

  itkNewMacro(Self);

  itkTypeMacro(CheckerBoardImageFilter, ImageToImageFilter);

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

  typedef FixedArray< unsigned int,
                       TImage ::ImageDimension >  PatternArrayType;

  void SetInput1(const TImage *image1);

  void SetInput2(const TImage *image2);

  itkSetMacro(CheckerPattern, PatternArrayType);
  itkGetConstReferenceMacro(CheckerPattern, PatternArrayType);

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

  void ThreadedGenerateData(const ImageRegionType & outputRegionForThread,
                            ThreadIdType threadId);

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

  PatternArrayType m_CheckerPattern;
};
} // end namespace itk

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

#endif