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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 itkTransformFactoryBase_h
#define itkTransformFactoryBase_h
#include "itkObjectFactoryBase.h"
namespace itk
{
/** \class TransformFactoryBase
* \brief Create instances of Transforms
* \ingroup ITKTransformFactory
*/
class TransformFactoryBase : public ObjectFactoryBase
{
public:
ITK_DISALLOW_COPY_AND_MOVE(TransformFactoryBase);
/** Standard class type aliases. */
using Self = TransformFactoryBase;
using Superclass = ObjectFactoryBase;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Class methods used to interface with the registered factories. */
const char *
GetITKSourceVersion() const override;
const char *
GetDescription() const override;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(TransformFactoryBase);
/** Method for class instantiation. */
itkFactorylessNewMacro(Self);
/** Register all builtin transforms */
static void
RegisterDefaultTransforms();
/** Get the factory */
static TransformFactoryBase *
GetFactory();
/**
* Register transform given its type.
*
* Type of a transform can be obtained using itk::Transform::GetTransformTypeAsString()
*
* Within ITK, \a classOverride, \a overrideClassName and \a description are all
* set to the transform type.
*
* \note
* If a transform has already been registered, this function is a no-op. To help
* debugging issue related to registration, it is possible to enable runtime warnings
* when compiling in \b Debug mode by setting both the \b Debug flag of this class
* and \b GetGlobalWarningDisplay to true.
*/
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
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