itkChangeInformationImageFilter.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 __itkChangeInformationImageFilter_h
#define __itkChangeInformationImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkFixedArray.h"

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

  itkNewMacro(Self);

  typedef TInputImage   InputImageType;
  typedef TInputImage   OutputImageType;

  typedef typename OutputImageType::RegionType  OutputImageRegionType;
  typedef typename InputImageType::RegionType   InputImageRegionType;

  typedef typename InputImageType::Pointer      InputImagePointer;
  typedef typename InputImageType::ConstPointer InputImageConstPointer;

  typedef typename OutputImageType::PixelType OutputImagePixelType;
  typedef typename InputImageType::PixelType  InputImagePixelType;

  typedef typename OutputImageType::IndexType        OutputImageIndexType;
  typedef typename OutputImageType::SizeType         OutputImageSizeType;
  typedef typename OutputImageType::OffsetType       OutputImageOffsetType;
  typedef typename OutputImageType::DirectionType    OutputImageDirectionType;
  typedef typename OutputImageType::OffsetValueType  OutputImageOffsetValueType;
  typedef typename InputImageType::IndexType         InputImageIndexType;
  typedef typename InputImageType::SizeType          InputImageSizeType;
  typedef typename InputImageType::OffsetType        InputImageOffsetType;
  typedef typename InputImageType::DirectionType     InputImageDirectionType;

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

  typedef typename InputImageType::SpacingType   SpacingType;
  typedef typename InputImageType::PointType     PointType;
  typedef typename InputImageType::DirectionType DirectionType;

  itkTypeMacro(ChangeInformationImageFilter, ImageToImageFilter);

  void SetReferenceImage(InputImageType *image)
  {
    if ( image != m_ReferenceImage )
      {
      m_ReferenceImage = image;
      this->ProcessObject::SetNthInput(1, const_cast< InputImageType *>( image ) );
      this->Modified();
      }
  }

  itkGetModifiableObjectMacro(ReferenceImage, TInputImage);

  itkSetMacro(UseReferenceImage, bool);
  itkBooleanMacro(UseReferenceImage);
  itkGetConstMacro(UseReferenceImage, bool);

  itkSetMacro(OutputSpacing, SpacingType);
  itkGetConstReferenceMacro(OutputSpacing, SpacingType);

  itkSetMacro(OutputOrigin, PointType);
  itkGetConstReferenceMacro(OutputOrigin, PointType);

  itkSetMacro(OutputDirection, DirectionType);
  itkGetConstReferenceMacro(OutputDirection, DirectionType);

  itkSetMacro(OutputOffset, OutputImageOffsetType);
  itkGetConstReferenceMacro(OutputOffset, OutputImageOffsetType);
  itkSetVectorMacro(OutputOffset, OutputImageOffsetValueType, ImageDimension);

  void ChangeAll()
  {
    this->ChangeSpacingOn();
    this->ChangeOriginOn();
    this->ChangeDirectionOn();
    this->ChangeRegionOn();
  }

  void ChangeNone()
  {
    this->ChangeSpacingOff();
    this->ChangeOriginOff();
    this->ChangeDirectionOff();
    this->ChangeRegionOff();
  }

  itkSetMacro(ChangeSpacing, bool);
  itkBooleanMacro(ChangeSpacing);
  itkGetConstMacro(ChangeSpacing, bool);

  itkSetMacro(ChangeOrigin, bool);
  itkBooleanMacro(ChangeOrigin);
  itkGetConstMacro(ChangeOrigin, bool);

  itkSetMacro(ChangeDirection, bool);
  itkBooleanMacro(ChangeDirection);
  itkGetConstMacro(ChangeDirection, bool);

  itkSetMacro(ChangeRegion, bool);
  itkBooleanMacro(ChangeRegion);
  itkGetConstMacro(ChangeRegion, bool);

  itkSetMacro(CenterImage, bool);
  itkBooleanMacro(CenterImage);
  itkGetConstMacro(CenterImage, bool);

  virtual void GenerateOutputInformation();

  virtual void GenerateInputRequestedRegion();

  void GenerateData();

protected:
  ChangeInformationImageFilter();
  //~ChangeInformationImageFilter() {} default implementation ok

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

  virtual void VerifyInputInformation() {}

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

  InputImagePointer m_ReferenceImage;

  bool m_CenterImage;
  bool m_ChangeSpacing;
  bool m_ChangeOrigin;
  bool m_ChangeDirection;
  bool m_ChangeRegion;
  bool m_UseReferenceImage;

  SpacingType   m_OutputSpacing;
  PointType     m_OutputOrigin;
  DirectionType m_OutputDirection;

  OutputImageOffsetType m_OutputOffset;
  OutputImageOffsetType m_Shift;
};
} // end namespace itk

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

#endif