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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.
*
*=========================================================================*/
#include "elxTransformFactoryRegistration.h"
#include <../Components/Transforms/AffineLogStackTransform/itkAffineLogStackTransform.h>
#include <../Components/Transforms/BSplineStackTransform/itkBSplineStackTransform.h>
#include <../Components/Transforms/EulerStackTransform/itkEulerStackTransform.h>
#include <../Components/Transforms/TranslationStackTransform/itkTranslationStackTransform.h>
#include "elxSupportedImageDimensions.h"
#include <itkBSplineTransform.h>
#include <itkTransformFactory.h>
namespace
{
struct EmptyStruct
{};
template <template <unsigned> class TTransform, std::size_t... VDimension>
static void
RegisterTransformForEachDimension(std::index_sequence<VDimension...>)
{
const EmptyStruct registered[] = { (itk::TransformFactory<TTransform<VDimension>>::RegisterTransform(),
EmptyStruct())... };
(void)registered;
}
template <template <unsigned> class TTransform>
void
RegisterTransform()
{
RegisterTransformForEachDimension<TTransform>(elx::SupportedFixedImageDimensionSequence);
}
template <template <unsigned> class... TTransform>
void
RegisterTransforms()
{
const EmptyStruct registered[] = { (RegisterTransform<TTransform>(), EmptyStruct())... };
(void)registered;
}
template <unsigned int NDimension>
using ItkBSplineTransformOrder1Type = itk::BSplineTransform<double, NDimension, 1>;
template <unsigned int NDimension>
using ItkBSplineTransformOrder2Type = itk::BSplineTransform<double, NDimension, 2>;
} // namespace
namespace elastix
{
void
TransformFactoryRegistration::RegisterTransforms()
{
// Use C++11 "magic statics" to ensure that ::RegisterTransforms is called only once, thread-safely.
const static EmptyStruct emptyStruct = (::RegisterTransforms<ItkBSplineTransformOrder1Type,
ItkBSplineTransformOrder2Type,
itk::AffineLogStackTransform,
itk::BSplineStackTransform,
itk::EulerStackTransform,
itk::TranslationStackTransform>(),
EmptyStruct());
(void)emptyStruct;
}
} // namespace elastix
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