itkTransformFactoryBase.h

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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
 *
 *         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.
 *
 *=========================================================================*/
/*=========================================================================
 *
 *  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 itkTransformFactoryBase_h
#define itkTransformFactoryBase_h
 
#include "itkObjectFactoryBase.h"
 
namespace itk
{
class TransformFactoryBase : public ObjectFactoryBase
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(TransformFactoryBase);
 
  using Self = TransformFactoryBase;
  using Superclass = ObjectFactoryBase;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  const char *
  GetITKSourceVersion() const override;
 
  const char *
  GetDescription() const override;
 
  itkTypeMacro(TransformFactoryBase, ObjectFactoryBase);
 
  itkFactorylessNewMacro(Self);
 
  static void
  RegisterDefaultTransforms();
 
  static TransformFactoryBase *
  GetFactory();
 
  void
  RegisterTransform(const char *               classOverride,
                    const char *               overrideClassName,
                    const char *               description,
                    bool                       enableFlag,
                    CreateObjectFunctionBase * createFunction)
  {
 
    // Ensure there is only one transform registered by a name, this
    // may happen on windows where this library is static, and the
    // global init flag may not be unique.
    LightObject::Pointer test = this->CreateInstance(classOverride);
    if (test.IsNotNull())
    {
      itkDebugMacro("Refusing to register transform \"" << classOverride << "\" again!");
      test->UnRegister();
    }
    else
    {
      this->RegisterOverride(classOverride, overrideClassName, description, enableFlag, createFunction);
    }
  }
 
protected:
  TransformFactoryBase();
  ~TransformFactoryBase() override;
 
private:
  // Sub private functions of RegisterDefaultTransforms
  static void
  RegisterTransformFactoryDoubleParameters();
  static void
  RegisterTransformFactoryFloatParameters();
 
 
  // Called by the type specific methods
  template <typename TParameterType>
  static void
  RegisterTransformFactory();
 
  static TransformFactoryBase * m_Factory;
};
} // end namespace itk
 
#endif