sitkPixelIDTypes.h

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/*=========================================================================
*
*  Copyright Insight Software Consortium
*
*  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 TPixelIDType, unsigned int VImageDimension> struct PixelIDToImageType;

template <typename TPixelType, unsigned int VImageDimension>
struct PixelIDToImageType< BasicPixelID<TPixelType> , VImageDimension >
{
  typedef itk::Image< TPixelType, VImageDimension > ImageType;
};

template <typename TVectorPixelType, unsigned int VImageDimension>
struct PixelIDToImageType< VectorPixelID< TVectorPixelType >, VImageDimension >
{
  typedef itk::VectorImage< TVectorPixelType, VImageDimension > ImageType;
};

template <typename TLabelType, unsigned int VImageDimension>
struct PixelIDToImageType< LabelPixelID< TLabelType >, VImageDimension >
{
  typedef itk::LabelMap< itk::LabelObject< TLabelType, VImageDimension > > ImageType;
};
template <typename TImageType> struct ImageTypeToPixelID;

template <typename TPixelType, unsigned int VImageDimension>
struct ImageTypeToPixelID< itk::Image< TPixelType, VImageDimension> >
{
  typedef BasicPixelID<TPixelType > PixelIDType;
};

template <typename TPixelType, unsigned int VImageDimension>
struct ImageTypeToPixelID< itk::VectorImage< TPixelType, VImageDimension> >
{
  typedef VectorPixelID< TPixelType > PixelIDType;
};

template <typename TLabelType, unsigned int VImageDimension>
struct ImageTypeToPixelID< itk::LabelMap< itk::LabelObject< TLabelType, VImageDimension > > >
{
  typedef  LabelPixelID< TLabelType > PixelIDType;
};
}
}
#endif // _sitkPixelIDTypes_h