itkLabelMapMaskImageFilter.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 __itkLabelMapMaskImageFilter_h
#define __itkLabelMapMaskImageFilter_h

#include "itkLabelMapFilter.h"
#include "itkBarrier.h"

namespace itk {

template<class TInputImage, class TOutputImage>
class ITK_EXPORT LabelMapMaskImageFilter :
    public LabelMapFilter<TInputImage, TOutputImage>
{
public:
  typedef LabelMapMaskImageFilter                   Self;
  typedef LabelMapFilter<TInputImage, TOutputImage> Superclass;
  typedef SmartPointer<Self>                        Pointer;
  typedef SmartPointer<const Self>                  ConstPointer;

  typedef TInputImage                              InputImageType;
  typedef TOutputImage                             OutputImageType;
  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 LabelObjectType::LabelType      LabelType;
  typedef typename LabelObjectType::LengthType     LengthType;

  typedef typename OutputImageType::Pointer        OutputImagePointer;
  typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
  typedef typename OutputImageType::RegionType     OutputImageRegionType;
  typedef typename OutputImageType::PixelType      OutputImagePixelType;
  typedef typename OutputImageType::IndexType      IndexType;
  typedef typename OutputImageType::SizeType       SizeType;
  typedef typename OutputImageType::RegionType     RegionType;


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

  itkNewMacro(Self);

  itkTypeMacro(LabelMapMaskImageFilter,
               ImageToImageFilter);

  void SetFeatureImage(const TOutputImage *input)
    {
    // Process object is not const-correct so the const casting is required.
    this->SetNthInput( 1, const_cast<TOutputImage *>(input) );
    }

  const OutputImageType * GetFeatureImage()
    {
    return static_cast<OutputImageType*>(const_cast<DataObject *>(this->ProcessObject::GetInput(1)));
    }

  void SetInput1(const TInputImage *input)
    {
    this->SetInput( input );
    }

  void SetInput2(const TOutputImage *input)
    {
    this->SetFeatureImage( input );
    }

  itkSetMacro(BackgroundValue, OutputImagePixelType);
  itkGetConstMacro(BackgroundValue, OutputImagePixelType);

  itkSetMacro(Label, InputImagePixelType);
  itkGetConstMacro(Label, InputImagePixelType);

  itkSetMacro(Negated, bool);
  itkGetConstReferenceMacro(Negated, bool);
  itkBooleanMacro(Negated);

  itkSetMacro(Crop, bool);
  itkGetConstReferenceMacro(Crop, bool);
  itkBooleanMacro(Crop);

  itkSetMacro(CropBorder, SizeType);
  itkGetConstReferenceMacro(CropBorder, SizeType);

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

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

  virtual void GenerateOutputInformation();

  virtual void BeforeThreadedGenerateData();

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

  virtual void ThreadedProcessLabelObject( LabelObjectType * labelObject );

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

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

  InputImagePixelType       m_Label;
  OutputImagePixelType      m_BackgroundValue;
  bool                      m_Negated;
  bool                      m_Crop;
  SizeType                  m_CropBorder;

  TimeStamp                 m_CropTimeStamp;

  typename Barrier::Pointer m_Barrier;

}; // end of class

} // end namespace itk

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

#endif