itkImageSpatialObject.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 itkImageSpatialObject_h
#define itkImageSpatialObject_h

#include "itkImage.h"
#include "itkSpatialObject.h"
#include "itkNearestNeighborInterpolateImageFunction.h"

namespace itk
{
template< unsigned int TDimension = 3,
          typename TPixelType = unsigned char
          >
class ITK_TEMPLATE_EXPORT ImageSpatialObject:
  public SpatialObject< TDimension >
{
public:

  typedef double                                       ScalarType;
  typedef ImageSpatialObject< TDimension, TPixelType > Self;
  typedef SpatialObject< TDimension >                  Superclass;
  typedef SmartPointer< Self >                         Pointer;
  typedef SmartPointer< const Self >                   ConstPointer;

  typedef TPixelType                            PixelType;
  typedef Image< PixelType, TDimension >        ImageType;
  typedef typename ImageType::ConstPointer      ImagePointer;
  typedef typename ImageType::IndexType         IndexType;
  typedef typename ImageType::RegionType        RegionType;
  typedef typename Superclass::TransformType    TransformType;
  typedef typename Superclass::PointType        PointType;
  typedef typename Superclass::BoundingBoxType  BoundingBoxType;
  typedef InterpolateImageFunction< ImageType > InterpolatorType;

  typedef NearestNeighborInterpolateImageFunction< ImageType >
  NNInterpolatorType;

  typedef VectorContainer< IdentifierType, PointType > PointContainerType;
  typedef typename PointContainerType::Pointer         PointContainerPointer;

  itkNewMacro(Self);

  itkTypeMacro(ImageSpatialObject, SpatialObject);

  void SetImage(const ImageType *image);

  const ImageType * GetImage() const;

  bool IsEvaluableAt(const PointType & point,
                     unsigned int depth = 0, char *name = ITK_NULLPTR) const ITK_OVERRIDE;

  bool ValueAt(const PointType & point, double & value,
               unsigned int depth = 0, char *name = ITK_NULLPTR) const ITK_OVERRIDE;

  bool IsInside(const PointType & point,
                unsigned int depth, char *name) const ITK_OVERRIDE;

  bool IsInside(const PointType & point) const;

  bool ComputeLocalBoundingBox() const ITK_OVERRIDE;

  ModifiedTimeType GetMTime(void) const ITK_OVERRIDE;

  void SetSlicePosition(unsigned int dimension, int position);

  int GetSlicePosition(unsigned int dimension)
  { return m_SlicePosition[dimension]; }

  const char * GetPixelType()
  {
    return m_PixelType.c_str();
  }

  void SetInterpolator(InterpolatorType *interpolator);
  itkGetModifiableObjectMacro(Interpolator, InterpolatorType);

protected:
  ITK_DISALLOW_COPY_AND_ASSIGN(ImageSpatialObject);

  ImagePointer m_Image;

  ImageSpatialObject();
  virtual ~ImageSpatialObject() ITK_OVERRIDE;

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

  int *       m_SlicePosition;
  std::string m_PixelType;

  typename InterpolatorType::Pointer m_Interpolator;
  template <typename T>
    void InternalSetPixelType(const T *)
  {
    itkWarningMacro("itk::ImageSpatialObject() : PixelType not recognized");
  }
  void InternalSetPixelType(const short *)
  {
    m_PixelType = "short";
  }
  void InternalSetPixelType(const unsigned char *)
  {
    m_PixelType = "unsigned char";
  }
  void InternalSetPixelType(const unsigned short *)
  {
    m_PixelType = "unsigned short";
  }
  void InternalSetPixelType(const float *)
  {
    m_PixelType = "float";
  }
  void InternalSetPixelType(const double *)
  {
    m_PixelType = "double";
  }
};
} // end of namespace itk

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

#endif //itkImageSpatialObject_h