itkGridForwardWarpImageFilter.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 __itkGridForwardWarpImageFilter_h
#define __itkGridForwardWarpImageFilter_h

#include "itkImageToImageFilter.h"

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

  itkNewMacro(Self);

  itkTypeMacro(GridForwardWarpImageFilter, ImageToImageFilter);

  typedef typename TOutputImage::RegionType OutputImageRegionType;

  typedef typename Superclass::OutputImageType    OutputImageType;
  typedef typename Superclass::OutputImagePointer OutputImagePointer;
  typedef typename OutputImageType::IndexType     IndexType;
  typedef typename OutputImageType::SizeType      SizeType;
  typedef typename OutputImageType::PixelType     PixelType;
  typedef typename OutputImageType::SpacingType   SpacingType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);
  itkStaticConstMacro(DisplacementFieldDimension, unsigned int,
                      TDisplacementField::ImageDimension);

  typedef TDisplacementField                           DisplacementFieldType;
  typedef typename DisplacementFieldType::ConstPointer DisplacementFieldConstPointer;
  typedef typename DisplacementFieldType::PixelType    DisplacementType;

  itkSetMacro(BackgroundValue, PixelType);

  itkGetConstMacro(BackgroundValue, PixelType);

  itkSetMacro(ForegroundValue, PixelType);

  itkGetConstMacro(ForegroundValue, PixelType);

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( SameDimensionCheck,
                   ( Concept::SameDimension< ImageDimension, DisplacementFieldDimension > ) );
  itkConceptMacro( DisplacementFieldHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< typename TDisplacementField::PixelType::ValueType > ) );
  // End concept checking
#endif

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

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

  void GenerateData();

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

  PixelType    m_BackgroundValue;
  PixelType    m_ForegroundValue;
  unsigned int m_GridPixSpacing;
};
} // end namespace itk

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

#endif