/*=========================================================================
 *
 *  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.
 *
 *=========================================================================*/
#ifndef itkPathAndImageToPathFilter_hxx
#define itkPathAndImageToPathFilter_hxx


namespace itk
{
/**
 *
 */
template <typename TInputPath, typename TInputImage, typename TOutputPath>
PathAndImageToPathFilter<TInputPath, TInputImage, TOutputPath>::PathAndImageToPathFilter()
{
  // Modify superclass default values, can be overridden by subclasses
  this->SetNumberOfRequiredInputs(2);
}

/**
 *
 */
template <typename TInputPath, typename TInputImage, typename TOutputPath>
void
PathAndImageToPathFilter<TInputPath, TInputImage, TOutputPath>::SetPathInput(const InputPathType * path)
{
  // We have 2 inputs:  a path and an image

  // Process object is not const-correct so the const_cast is required here
  this->ProcessObject::SetNthInput(0, const_cast<InputPathType *>(path));
}

template <typename TInputPath, typename TInputImage, typename TOutputPath>
auto
PathAndImageToPathFilter<TInputPath, TInputImage, TOutputPath>::GetPathInput() -> const InputPathType *
{
  return itkDynamicCastInDebugMode<const TInputPath *>(this->GetPrimaryInput());
}

template <typename TInputPath, typename TInputImage, typename TOutputPath>
void
PathAndImageToPathFilter<TInputPath, TInputImage, TOutputPath>::SetImageInput(const InputImageType * image)
{
  // We have 2 inputs:  a path and an image

  // Process object is not const-correct so the const_cast is required here
  this->ProcessObject::SetNthInput(1, const_cast<InputImageType *>(image));
}

template <typename TInputPath, typename TInputImage, typename TOutputPath>
auto
PathAndImageToPathFilter<TInputPath, TInputImage, TOutputPath>::GetImageInput() -> const InputImageType *
{
  return static_cast<const TInputImage *>(this->ProcessObject::GetInput(1));
}

/**
 *
 */
template <typename TInputPath, typename TInputImage, typename TOutputPath>
void
PathAndImageToPathFilter<TInputPath, TInputImage, TOutputPath>::GenerateInputRequestedRegion()
{
  // ProcessObject::GenerateInputRequestedRegion() will (for each input) call
  // Path::SetRequestedRegionToLargestPossibleRegion(), which is empty.
  Superclass::GenerateInputRequestedRegion();
}

/**
 *
 */
template <typename TInputPath, typename TInputImage, typename TOutputPath>
void
PathAndImageToPathFilter<TInputPath, TInputImage, TOutputPath>::PrintSelf(std::ostream & os, Indent indent) const
{
  Superclass::PrintSelf(os, indent);
}
} // end namespace itk

#endif
