sitkPixelIDTypes.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.
 *
 *=========================================================================*/
#ifndef sitkPixelIDTypes_h
#define sitkPixelIDTypes_h
 
 
namespace itk
{
 
template <unsigned int VImageDimension>
class ImageBase;
template <typename TPixelType, unsigned int VImageDimension>
class Image;
template <typename TPixelType, unsigned int VImageDimension>
class VectorImage;
template <typename TLabelObject>
class LabelMap;
template <typename TLabelObject, unsigned int VImageDimension>
class LabelObject;
 
namespace simple
{

template <typename TPixelType>
struct BasicPixelID
{};
 

template <typename TPixelType>
struct VectorPixelID
{};
 

template <typename TPixelType>
struct LabelPixelID
{};

template <typename TVectorPixelID>
struct VectorPixelIDToBasicPixelID;
 
template <typename TPixelType>
struct VectorPixelIDToBasicPixelID<VectorPixelID<TPixelType>>
{
  using Type = BasicPixelID<TPixelType>;
};

template <typename TPixelIDType, unsigned int VImageDimension>
struct PixelIDToImageType;
 
template <typename TPixelType, unsigned int VImageDimension>
struct PixelIDToImageType<BasicPixelID<TPixelType>, VImageDimension>
{
  using ImageType = itk::Image<TPixelType, VImageDimension>;
};
 
template <typename TVectorPixelType, unsigned int VImageDimension>
struct PixelIDToImageType<VectorPixelID<TVectorPixelType>, VImageDimension>
{
  using ImageType = itk::VectorImage<TVectorPixelType, VImageDimension>;
};
 
template <typename TLabelType, unsigned int VImageDimension>
struct PixelIDToImageType<LabelPixelID<TLabelType>, VImageDimension>
{
  using ImageType = itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>;
};

 

template <typename TImageType>
struct ImageTypeToPixelID;
 
template <typename TPixelType, unsigned int VImageDimension>
struct ImageTypeToPixelID<itk::Image<TPixelType, VImageDimension>>
{
  using PixelIDType = BasicPixelID<TPixelType>;
};
 
template <typename TPixelType, unsigned int VImageDimension>
struct ImageTypeToPixelID<itk::VectorImage<TPixelType, VImageDimension>>
{
  using PixelIDType = VectorPixelID<TPixelType>;
};
 
template <typename TLabelType, unsigned int VImageDimension>
struct ImageTypeToPixelID<itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>>
{
  using PixelIDType = LabelPixelID<TLabelType>;
};

 
} // namespace simple
} // namespace itk
#endif // _sitkPixelIDTypes_h