elxComponentDatabase.h

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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.
 *
 *=========================================================================*/
 
#ifndef elxComponentDatabase_h
#define elxComponentDatabase_h
 
#include "itkObject.h"
#include "itkObjectFactory.h"
#include <iostream>
#include <string>
#include <utility>
#include <map>
 
namespace elastix
{
 
class ComponentDatabase : public itk::Object
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ComponentDatabase);
 
  using Self = ComponentDatabase;
  using Superclass = itk::Object;
  using Pointer = itk::SmartPointer<Self>;
  using ConstPointer = itk::SmartPointer<const Self>;
 
  itkNewMacro(Self);
  itkTypeMacro(ComponentDatabase, Object);
 
  using IndexType = unsigned int;
 
  using ObjectPointer = itk::Object::Pointer;
 
  using PtrToCreator = ObjectPointer (*)();
  using ComponentDescriptionType = std::string;
  using CreatorMapKeyType = std::pair<ComponentDescriptionType, IndexType>;
  using CreatorMapValueType = PtrToCreator;
  using CreatorMapType = std::map<CreatorMapKeyType, CreatorMapValueType>;
  using CreatorMapEntryType = CreatorMapType::value_type;
 
  using PixelTypeDescriptionType = std::string;
  using ImageDimensionType = unsigned int;
  using ImageTypeDescriptionType = std::pair<PixelTypeDescriptionType, ImageDimensionType>;
 
  using IndexMapKeyType = std::pair<ImageTypeDescriptionType, ImageTypeDescriptionType>;
  using IndexMapValueType = IndexType;
  using IndexMapType = std::map<IndexMapKeyType, IndexMapValueType>;
  using IndexMapEntryType = IndexMapType::value_type;
 
  int
  SetCreator(const ComponentDescriptionType & name, IndexType i, PtrToCreator creator);
 
  int
  SetIndex(const PixelTypeDescriptionType & fixedPixelType,
           ImageDimensionType               fixedDimension,
           const PixelTypeDescriptionType & movingPixelType,
           ImageDimensionType               movingDimension,
           IndexType                        i);
 
  PtrToCreator
  GetCreator(const ComponentDescriptionType & name, IndexType i) const;
 
  IndexType
  GetIndex(const PixelTypeDescriptionType & fixedPixelType,
           ImageDimensionType               fixedDimension,
           const PixelTypeDescriptionType & movingPixelType,
           ImageDimensionType               movingDimension) const;
 
protected:
  ComponentDatabase() = default;
  ~ComponentDatabase() override = default;
 
private:
  CreatorMapType CreatorMap;
  IndexMapType   IndexMap;
};
 
} // end namespace elastix
 
#endif // end #ifndef elxComponentDatabase_h