NonRigidTransformation.h

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/*
SyneRBI Synergistic Image Reconstruction Framework (SIRF)
Copyright 2020 University College London

This is software developed for the Collaborative Computational
Project in Synergistic Reconstruction for Biomedical Imaging (formerly CCP PETMR)
(http://www.ccpsynerbi.ac.uk/).

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
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.

*/

#pragma once

#include "sirf/Reg/Transformation.h"

namespace sirf {
template<class dataType>
class NonRigidTransformation : public Transformation<dataType>
{
public:

    virtual ~NonRigidTransformation() {}

#ifndef _MSC_VER // need to disable on Visual Studio for https://github.com/SyneRBI/SIRF/issues/665

    std::unique_ptr<NonRigidTransformation> get_inverse(const std::shared_ptr<const NiftiImageData<dataType> > image_sptr = nullptr, const bool use_vtk=false) const
    {
        if (!use_vtk)
            return std::unique_ptr<NonRigidTransformation>(this->get_inverse_impl_nr(image_sptr));
        else
            return std::unique_ptr<NonRigidTransformation>(this->get_inverse_impl_vtk(image_sptr));
    }

protected:
    virtual NonRigidTransformation* get_inverse_impl_nr(const std::shared_ptr<const NiftiImageData<dataType> > image_sptr = nullptr) const = 0;

    virtual NonRigidTransformation* get_inverse_impl_vtk(const std::shared_ptr<const NiftiImageData<dataType> > image_sptr = nullptr) const = 0;
#endif // _MSC_VER
};

}