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 ITK_TEMPLATE_EXPORT SpatialFunctionImageEvaluatorFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(SpatialFunctionImageEvaluatorFilter);

  using Self = SpatialFunctionImageEvaluatorFilter;
  using Superclass = ImageToImageFilter< TInputImage, TOutputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(SpatialFunctionImageEvaluatorFilter, ImageToImageFilter);

  static constexpr unsigned int NDimensions = TInputImage::ImageDimension;

  using SizeType = typename TInputImage::SizeType;

  using IndexType = typename TOutputImage::IndexType;

  using PixelType = typename TOutputImage::PixelType;

  using OutputImageRegionType = typename TOutputImage::RegionType;

  using FunctionType = TSpatialFunction;

  using FunctionValueType = typename FunctionType::OutputType;

  using PositionType = typename FunctionType::InputType;

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

protected:
  SpatialFunctionImageEvaluatorFilter();
  ~SpatialFunctionImageEvaluatorFilter() override = default;

  void GenerateData() override;

private:
  FunctionType *m_PixelFunction;
};
} // end namespace itk

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

#endif