itkSpatialFunctionImageEvaluatorFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSpatialFunctionImageEvaluatorFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:57 $
  Version:   $Revision: 1.20 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkSpatialFunctionImageEvaluatorFilter_h
#define __itkSpatialFunctionImageEvaluatorFilter_h

#include "itkImageFunction.h"
#include "itkImageRegionIterator.h"
#include "itkImageToImageFilter.h"
#include "itkSize.h"
#include "itkSpatialFunction.h"

namespace itk
{

template<class TSpatialFunction, class TInputImage, class TOutputImage>
class ITK_EXPORT SpatialFunctionImageEvaluatorFilter :
    public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef SpatialFunctionImageEvaluatorFilter Self;
  typedef ImageToImageFilter<TInputImage,TOutputImage>  Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);  

  itkTypeMacro( SpatialFunctionImageEvaluatorFilter, ImageToImageFilter );

  itkStaticConstMacro(NDimensions, unsigned int,
                      TInputImage::ImageDimension);

  typedef typename TInputImage::SizeType SizeType;

  typedef typename TOutputImage::IndexType IndexType;

  typedef typename TOutputImage::PixelType PixelType;

  typedef typename TOutputImage::RegionType OutputImageRegionType;

  typedef TSpatialFunction FunctionType;

  typedef typename FunctionType::OutputType FunctionValueType;

  typedef typename FunctionType::InputType PositionType;

  void SetFunction( FunctionType* PixelFunction )
  {m_PixelFunction = PixelFunction;};

protected:
  SpatialFunctionImageEvaluatorFilter();
  virtual ~SpatialFunctionImageEvaluatorFilter() {};

  void GenerateData();

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

  FunctionType* m_PixelFunction;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkSpatialFunctionImageEvaluatorFilter.txx"
#endif

#endif

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