itkInPlaceLabelMapFilter.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.
 *
 *=========================================================================*/
/*=========================================================================
 *
 *  Portions of this file are subject to the VTK Toolkit Version 3 copyright.
 *
 *  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
 *
 *  For complete copyright, license and disclaimer of warranty information
 *  please refer to the NOTICE file at the top of the ITK source tree.
 *
 *=========================================================================*/
#ifndef __itkInPlaceLabelMapFilter_h
#define __itkInPlaceLabelMapFilter_h

#include "itkLabelMapFilter.h"

namespace itk
{
template< typename TInputImage >
class InPlaceLabelMapFilter:public LabelMapFilter< TInputImage, TInputImage >
{
public:
  typedef InPlaceLabelMapFilter                      Self;
  typedef LabelMapFilter< TInputImage, TInputImage > Superclass;
  typedef SmartPointer< Self >                       Pointer;
  typedef SmartPointer< const Self >                 ConstPointer;

  itkTypeMacro(InPlaceLabelMapFilter, LabelMapFilter);

  itkNewMacro(Self);

  typedef typename Superclass::OutputImageType       OutputImageType;
  typedef typename Superclass::OutputImagePointer    OutputImagePointer;
  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  typedef typename Superclass::OutputImagePixelType  OutputImagePixelType;

  typedef TInputImage                              InputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::RegionType      InputImageRegionType;
  typedef typename InputImageType::PixelType       InputImagePixelType;
  typedef typename InputImageType::LabelObjectType LabelObjectType;

  typedef typename InputImageType::PixelType  PixelType;
  typedef typename InputImageType::IndexType  IndexType;
  typedef typename InputImageType::RegionType RegionType;

  typedef TInputImage TOutputImage;

  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);

  itkSetMacro(InPlace, bool);
  itkGetMacro(InPlace, bool);
  itkBooleanMacro(InPlace);

  bool CanRunInPlace() const
  {
    return true; // used to test if TInputImage == TOutputImage. But
                 // if you look above, the superclass declaration
                 // specifies
                 // LabelMapFilter<TInputImage,TOutputImage> so there's
                 // no way this couldn't be true.
  }

protected:
  InPlaceLabelMapFilter();
  ~InPlaceLabelMapFilter();

  virtual void PrintSelf(std::ostream & os, Indent indent) const;

  virtual void AllocateOutputs();

  virtual InputImageType * GetLabelMap()
  {
    return this->GetOutput();
  }

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

  bool m_InPlace;
};
} // end namespace itk

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

#endif