itkTriangleThresholdImageFilter.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 __itkTriangleThresholdImageFilter_h
#define __itkTriangleThresholdImageFilter_h

#include "itkHistogramThresholdImageFilter.h"
#include "itkTriangleThresholdCalculator.h"

namespace itk {

template<typename TInputImage, typename TOutputImage, typename TMaskImage=TOutputImage>
class TriangleThresholdImageFilter :
    public HistogramThresholdImageFilter<TInputImage, TOutputImage, TMaskImage>
{
public:
  typedef TriangleThresholdImageFilter                                Self;
  typedef HistogramThresholdImageFilter<TInputImage,TOutputImage,
                                        TMaskImage>                   Superclass;
  typedef SmartPointer<Self>                                          Pointer;
  typedef SmartPointer<const Self>                                    ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(TriangleThresholdImageFilter, HistogramThresholdImageFilter);

  typedef TInputImage                       InputImageType;
  typedef TOutputImage                      OutputImageType;
  typedef TMaskImage                        MaskImageType;

  typedef typename InputImageType::PixelType   InputPixelType;
  typedef typename OutputImageType::PixelType  OutputPixelType;
  typedef typename MaskImageType::PixelType    MaskPixelType;

  typedef typename InputImageType::Pointer  InputImagePointer;
  typedef typename OutputImageType::Pointer OutputImagePointer;

  typedef typename InputImageType::SizeType    InputSizeType;
  typedef typename InputImageType::IndexType   InputIndexType;
  typedef typename InputImageType::RegionType  InputImageRegionType;
  typedef typename OutputImageType::SizeType   OutputSizeType;
  typedef typename OutputImageType::IndexType  OutputIndexType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename MaskImageType::SizeType     MaskSizeType;
  typedef typename MaskImageType::IndexType    MaskIndexType;
  typedef typename MaskImageType::RegionType   MaskImageRegionType;

  typedef typename Superclass::HistogramType                           HistogramType;
  typedef TriangleThresholdCalculator< HistogramType, InputPixelType > CalculatorType;

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      InputImageType::ImageDimension );
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      OutputImageType::ImageDimension );

protected:
  TriangleThresholdImageFilter()
    {
    this->SetCalculator( CalculatorType::New() );
    }
  ~TriangleThresholdImageFilter(){};

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

} // end namespace itk

#endif