itkImageRandomSampler.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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 itkImageRandomSampler_h
#define itkImageRandomSampler_h
 
#include "itkImageRandomSamplerBase.h"
 
namespace itk
{
template <class TInputImage>
class ITK_TEMPLATE_EXPORT ImageRandomSampler : public ImageRandomSamplerBase<TInputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ImageRandomSampler);
 
  using Self = ImageRandomSampler;
  using Superclass = ImageRandomSamplerBase<TInputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkTypeMacro(ImageRandomSampler, ImageRandomSamplerBase);
 
  using typename Superclass::DataObjectPointer;
  using typename Superclass::OutputVectorContainerType;
  using typename Superclass::OutputVectorContainerPointer;
  using typename Superclass::InputImageType;
  using typename Superclass::InputImagePointer;
  using typename Superclass::InputImageConstPointer;
  using typename Superclass::InputImageRegionType;
  using typename Superclass::InputImagePixelType;
  using typename Superclass::ImageSampleType;
  using typename Superclass::ImageSampleValueType;
  using typename Superclass::ImageSampleContainerType;
  using typename Superclass::ImageSampleContainerPointer;
  using typename Superclass::MaskType;
  using typename Superclass::InputImageSizeType;
 
  itkStaticConstMacro(InputImageDimension, unsigned int, Superclass::InputImageDimension);
 
  using InputImageIndexType = typename InputImageType::IndexType;
  using InputImagePointType = typename InputImageType::PointType;
 
protected:
  ImageRandomSampler() = default;
  ~ImageRandomSampler() override = default;
 
  void
  GenerateData() override;
 
private:
  struct UserData
  {
    ITK_DISALLOW_COPY_AND_MOVE(UserData);
 
    const std::vector<double> &    m_RandomNumberList;
    const InputImageType &         m_InputImage;
    InputImageIndexType            m_RegionIndex{};
    InputImageSizeType             m_RegionSize{};
    std::vector<ImageSampleType> & m_Samples;
  };
 
  static ITK_THREAD_RETURN_FUNCTION_CALL_CONVENTION
  ThreaderCallback(void * arg);
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkImageRandomSampler.hxx"
#endif
 
#endif // end #ifndef itkImageRandomSampler_h