itkMovingHistogramImageFilter.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 __itkMovingHistogramImageFilter_h
#define __itkMovingHistogramImageFilter_h

#include "itkMovingHistogramImageFilterBase.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage, typename TKernel, typename THistogram >
class MovingHistogramImageFilter:
  public MovingHistogramImageFilterBase< TInputImage, TOutputImage, TKernel >
{
public:
  typedef MovingHistogramImageFilter                                           Self;
  typedef MovingHistogramImageFilterBase< TInputImage, TOutputImage, TKernel > Superclass;
  typedef SmartPointer< Self >                                                 Pointer;
  typedef SmartPointer< const Self >                                           ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(MovingHistogramImageFilter,
               MovingHistogramImageFilter);

  typedef TInputImage                                InputImageType;
  typedef TOutputImage                               OutputImageType;
  typedef typename TInputImage::RegionType           RegionType;
  typedef typename TInputImage::SizeType             SizeType;
  typedef typename TInputImage::IndexType            IndexType;
  typedef typename TInputImage::PixelType            PixelType;
  typedef typename TInputImage::OffsetType           OffsetType;
  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  typedef typename TOutputImage::PixelType           OutputPixelType;

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

  typedef TKernel KernelType;

  typedef typename KernelType::ConstIterator KernelIteratorType;

  typedef typename KernelType::SizeType RadiusType;

  typedef typename std::list< OffsetType > OffsetListType;

  typedef typename std::map< OffsetType, OffsetListType, typename OffsetType::LexicographicCompare > OffsetMapType;

  virtual void ConfigureHistogram(THistogram &) {}

protected:
  MovingHistogramImageFilter();
  ~MovingHistogramImageFilter() {}

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

  // declare the type used to store the histogram
  typedef THistogram HistogramType;

  void PushHistogram(HistogramType & histogram,
                     const OffsetListType *addedList,
                     const OffsetListType *removedList,
                     const RegionType & inputRegion,
                     const RegionType & kernRegion,
                     const InputImageType *inputImage,
                     const IndexType currentIdx);

private:
  MovingHistogramImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);             //purposely not implemented
};                                          // end of class
} // end namespace itk

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

#endif