itkGPUBSplineBaseTransform.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 itkGPUBSplineBaseTransform_h
#define itkGPUBSplineBaseTransform_h
 
#include "itkGPUDataManager.h"
#include "itkGPUImage.h"
#include "itkGPUTransformBase.h"
 
namespace itk
{
itkGPUKernelClassMacro(GPUBSplineTransformKernel);
 
template <typename TScalarType = float, unsigned int NDimensions = 3>
class ITK_TEMPLATE_EXPORT GPUBSplineBaseTransform : public GPUTransformBase
{
public:
  using Self = GPUBSplineBaseTransform;
 
  itkTypeMacro(GPUBSplineBaseTransform, GPUTransformBase);
 
  itkStaticConstMacro(SpaceDimension, unsigned int, NDimensions);
 
  itkGetConstMacro(SplineOrder, unsigned int);
 
  using GPUCoefficientImageType = GPUImage<TScalarType, NDimensions>;
  using GPUCoefficientImagePointer = typename GPUCoefficientImageType::Pointer;
  using GPUDataManagerPointer = typename GPUDataManager::Pointer;
 
  using GPUCoefficientImageArray = FixedArray<GPUCoefficientImagePointer, NDimensions>;
  using GPUCoefficientImageBaseArray = FixedArray<GPUDataManagerPointer, NDimensions>;
 
  bool
  IsBSplineTransform() const override
  {
    return true;
  }
 
  const GPUCoefficientImageArray
  GetGPUCoefficientImages() const;
 
  const GPUCoefficientImageBaseArray
  GetGPUCoefficientImagesBases() const;
 
protected:
  virtual void
  SetSplineOrder(const unsigned int splineOrder);
 
  GPUBSplineBaseTransform();
  ~GPUBSplineBaseTransform() override = default;
 
  bool
  GetSourceCode(std::string & source) const override;
 
  GPUCoefficientImageArray     m_GPUBSplineTransformCoefficientImages{};
  GPUCoefficientImageBaseArray m_GPUBSplineTransformCoefficientImagesBase{};
 
private:
  GPUBSplineBaseTransform(const Self & other) = delete;
  const Self &
  operator=(const Self &) = delete;
 
  std::vector<std::string> m_Sources{};
 
  // User specified spline order (3rd or cubic is the default)
  unsigned int m_SplineOrder{};
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkGPUBSplineBaseTransform.hxx"
#endif
 
#endif /* itkGPUBSplineBaseTransform_h */