itkSpatialFunctionImageEvaluatorFilter.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 __itkSpatialFunctionImageEvaluatorFilter_h
#define __itkSpatialFunctionImageEvaluatorFilter_h

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

namespace itk
{
template< typename TSpatialFunction, typename TInputImage, typename TOutputImage >
class 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.hxx"
#endif

#endif