sitkPixelIDTokens.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 sitkPixelIDTokens_h
#define sitkPixelIDTokens_h
 
#include "sitkConfigure.h"
#include "sitkPixelIDValues.h"
 
#include <type_traits>
 
namespace itk::simple
{
 
using TrueType = std::true_type;
using FalseType = std::false_type;
 
template <typename TPixelIDType>
struct IsBasic
{
  static const bool Value = FalseType::value;
  using ValueType = typename FalseType::value_type;
  using Type = typename FalseType::type;
};
struct IsBasic {…};
template <typename TPixelType>
struct IsBasic<BasicPixelID<TPixelType>>
{
  static const bool Value = TrueType::value;
  using ValueType = typename TrueType::value_type;
  using Type = typename TrueType::type;
};
struct IsBasic<BasicPixelID<TPixelType>> {…};
template <typename TPixelType, unsigned int VImageDimension>
struct IsBasic<itk::Image<TPixelType, VImageDimension>>
  : public IsBasic<typename ImageTypeToPixelID<itk::Image<TPixelType, VImageDimension>>::PixelIDType>
{};
struct IsBasic<itk::Image<TPixelType, VImageDimension>> {…};
 
 
template <typename TPixelIDType>
struct IsVector
{
  static const bool Value = FalseType::value;
  using ValueType = typename FalseType::value_type;
  using Type = typename FalseType::type;
};
struct IsVector {…};
template <typename TPixelType>
struct IsVector<VectorPixelID<TPixelType>>
{
  static const bool Value = TrueType::value;
  using ValueType = typename TrueType::value_type;
  using Type = typename TrueType::type;
};
struct IsVector<VectorPixelID<TPixelType>> {…};
template <typename TPixelType, unsigned int VImageDimension>
struct IsVector<itk::VectorImage<TPixelType, VImageDimension>>
  : public IsVector<typename ImageTypeToPixelID<itk::VectorImage<TPixelType, VImageDimension>>::PixelIDType>
{};
struct IsVector<itk::VectorImage<TPixelType, VImageDimension>> {…};
 
 
template <typename TPixelIDType>
struct IsLabel
{
  static const bool Value = FalseType::value;
  using ValueType = typename FalseType::value_type;
  using Type = typename FalseType::type;
};
struct IsLabel {…};
template <typename TPixelType>
struct IsLabel<LabelPixelID<TPixelType>>
{
  static const bool Value = TrueType::value;
  using ValueType = typename TrueType::value_type;
  using Type = typename TrueType::type;
};
struct IsLabel<LabelPixelID<TPixelType>> {…};
template <typename TLabelType, unsigned int VImageDimension>
struct IsLabel<itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>>
  : public IsLabel<
      typename ImageTypeToPixelID<itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>>::PixelIDType>
{};
struct IsLabel<itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>> {…};
 
 
template <typename TPixelIDType, unsigned int VImageDimension = 0>
struct IsInstantiated
{
  static const bool Value = ((int)PixelIDToPixelIDValue<TPixelIDType>::Result != (int)sitkUnknown) &&
                            ((VImageDimension == 0) || (VImageDimension >= 2 && VImageDimension <= SITK_MAX_DIMENSION));
  using ValueType = typename std::integral_constant<bool, Value>::value_type;
  using Type = typename std::integral_constant<bool, Value>::type;
};
struct IsInstantiated {…};
template <typename TPixelType, unsigned int VImageDimension>
struct IsInstantiated<itk::Image<TPixelType, VImageDimension>, 0>
  : public IsInstantiated<typename ImageTypeToPixelID<itk::Image<TPixelType, VImageDimension>>::PixelIDType,
                          VImageDimension>
{};
struct IsInstantiated<itk::Image<TPixelType, VImageDimension>, 0> {…};
template <typename TPixelType, unsigned int VImageDimension>
struct IsInstantiated<itk::VectorImage<TPixelType, VImageDimension>, 0>
  : public IsInstantiated<typename ImageTypeToPixelID<itk::VectorImage<TPixelType, VImageDimension>>::PixelIDType,
                          VImageDimension>
{};
struct IsInstantiated<itk::VectorImage<TPixelType, VImageDimension>, 0> {…};
template <typename TLabelType, unsigned int VImageDimension>
struct IsInstantiated<itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>, 0>
  : public IsInstantiated<
      typename ImageTypeToPixelID<itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>>::PixelIDType,
      VImageDimension>
{};
struct IsInstantiated<itk::LabelMap<itk::LabelObject<TLabelType, VImageDimension>>, 0> {…};
 
} // namespace itk::simple
 
#endif // _sitkPixelIDTokens_h