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/*=========================================================================
*
* 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.
*
*=========================================================================*/
/*=========================================================================
*
* Portions of this file are subject to the VTK Toolkit Version 3 copyright.
*
* Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
*
* For complete copyright, license and disclaimer of warranty information
* please refer to the NOTICE file at the top of the ITK source tree.
*
*=========================================================================*/
#ifndef itkBSplineResampleImageFunction_h
#define itkBSplineResampleImageFunction_h
#include "itkBSplineInterpolateImageFunction.h"
namespace itk
{
/**
* \class BSplineResampleImageFunction
* \brief Resample image intensity from a BSpline coefficient image.
*
* This class resample the image intensity at a non-integer position
* from the input BSpline coefficient image.
*
* Spline order may be from 0 to 5.
*
* In ITK, BSpline coefficient can be generated using a
* BSplineDecompositionImageFilter. Using this image function in
* conjunction with ResampleImageFunction allows the reconstruction
* of the original image at different resolution and size.
*
* \sa BSplineInterpolateImageFunction
* \sa BSplineDecompositionImageFilter
* \sa ResampleImageFilter
*
* \ingroup ImageFunctions
* \ingroup ITKImageFunction
*/
template <typename TImageType, typename TCoordRep = float>
class BSplineResampleImageFunction
: public BSplineInterpolateImageFunction<TImageType, TCoordRep, typename TImageType::PixelType>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(BSplineResampleImageFunction);
/** Standard class type aliases. */
using Self = BSplineResampleImageFunction;
using Superclass = BSplineInterpolateImageFunction<TImageType, TCoordRep, typename TImageType::PixelType>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(BSplineResampleImageFunction);
/** New macro for creation of through a Smart Pointer */
itkNewMacro(Self);
/** Set the input image representing the BSplineCoefficients */
void
SetInputImage(const TImageType * inputData) override
{
// bypass my superclass
this->InterpolateImageFunction<TImageType, TCoordRep>::SetInputImage(inputData);
this->m_Coefficients = inputData;
if (this->m_Coefficients.IsNotNull())
{
this->m_DataLength = this->m_Coefficients->GetBufferedRegion().GetSize();
}
}
protected:
BSplineResampleImageFunction() = default;
~BSplineResampleImageFunction() override = default;
};
} // namespace itk
#endif
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