itkSpatialFunctionImageEvaluatorFilter.h

Go to the documentation of this file.

/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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_MOVE(SpatialFunctionImageEvaluatorFilter);

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

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(SpatialFunctionImageEvaluatorFilter);

  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;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  FunctionType * m_PixelFunction{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkSpatialFunctionImageEvaluatorFilter.hxx"
#endif
 
#endif