/*=========================================================================
 *
 *  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 itkErodeObjectMorphologyImageFilter_hxx
#define itkErodeObjectMorphologyImageFilter_hxx


namespace itk
{
template <typename TInputImage, typename TOutputImage, typename TKernel>
ErodeObjectMorphologyImageFilter<TInputImage, TOutputImage, TKernel>::ErodeObjectMorphologyImageFilter()
  : m_BackgroundValue(PixelType{})
{
  m_ErodeBoundaryCondition.SetConstant(NumericTraits<PixelType>::max());
  this->OverrideBoundaryCondition(&m_ErodeBoundaryCondition);
}

template <typename TInputImage, typename TOutputImage, typename TKernel>
void
ErodeObjectMorphologyImageFilter<TInputImage, TOutputImage, TKernel>::Evaluate(OutputNeighborhoodIteratorType & nit,
                                                                               const KernelType &               kernel)
{
  KernelIteratorType       kernel_it = kernel.Begin();
  const KernelIteratorType kernelEnd = kernel.End();

  bool valid = true;

  for (unsigned int i = 0; kernel_it < kernelEnd; ++kernel_it, ++i)
  {
    if (*kernel_it)
    {
      nit.SetPixel(i, m_BackgroundValue, valid);
    }
  }
}

template <typename TInputImage, typename TOutputImage, typename TKernel>
void
ErodeObjectMorphologyImageFilter<TInputImage, TOutputImage, TKernel>::PrintSelf(std::ostream & os, Indent indent) const
{
  Superclass::PrintSelf(os, indent);
  os << indent << "BackgroundValue : " << m_BackgroundValue << std::endl;
}
} // end namespace itk
#endif
