itkPathToImageFilter.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 __itkPathToImageFilter_h
#define __itkPathToImageFilter_h

#include "itkImageSource.h"
#include "itkConceptChecking.h"

namespace itk
{
template< typename TInputPath, typename TOutputImage >
class PathToImageFilter:public ImageSource< TOutputImage >
{
public:
  typedef PathToImageFilter           Self;
  typedef ImageSource< TOutputImage > Superclass;
  typedef SmartPointer< Self >        Pointer;
  typedef SmartPointer< const Self >  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(PathToImageFilter, ImageSource);

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  typedef          TInputPath                        InputPathType;
  typedef typename InputPathType::Pointer            InputPathPointer;
  typedef typename InputPathType::ConstPointer       InputPathConstPointer;
  typedef          TOutputImage                      OutputImageType;
  typedef typename OutputImageType::Pointer          OutputImagePointer;
  typedef typename OutputImageType::SizeType         SizeType;
  typedef typename OutputImageType::ValueType        ValueType;

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

  using Superclass::SetInput;
  virtual void SetInput(const InputPathType *path);

  virtual void SetInput(unsigned int, const TInputPath *path);

  const InputPathType * GetInput(void);

  const InputPathType * GetInput(unsigned int idx);

  virtual void SetSpacing(const double *spacing);

  virtual void SetSpacing(const float *spacing);

  virtual const double * GetSpacing() const;

  itkSetMacro(PathValue, ValueType);
  itkGetConstMacro(PathValue, ValueType);
  itkSetMacro(BackgroundValue, ValueType);
  itkGetConstMacro(BackgroundValue, ValueType);

  virtual void SetOrigin(const double *origin);

  virtual void SetOrigin(const float *origin);

  virtual const double * GetOrigin() const;

  itkSetMacro(Size, SizeType);
  itkGetConstMacro(Size, SizeType);

protected:
  PathToImageFilter();
  ~PathToImageFilter();

  virtual void GenerateOutputInformation(){}  // do nothing
  virtual void GenerateData();

  SizeType m_Size;
  double m_Spacing[OutputImageDimension];
  double m_Origin[OutputImageDimension];
  ValueType m_PathValue;
  ValueType m_BackgroundValue;

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

private:
  PathToImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);    //purposely not implemented
};
} // end namespace itk

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

#endif