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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
*
* 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 itkNeighborhoodBinaryThresholdImageFunction_hxx
#define itkNeighborhoodBinaryThresholdImageFunction_hxx
#include "itkNumericTraits.h"
#include "itkConstNeighborhoodIterator.h"
namespace itk
{
template <typename TInputImage, typename TCoordRep>
NeighborhoodBinaryThresholdImageFunction<TInputImage, TCoordRep>::NeighborhoodBinaryThresholdImageFunction()
{
m_Radius.Fill(1);
}
template <typename TInputImage, typename TCoordRep>
void
NeighborhoodBinaryThresholdImageFunction<TInputImage, TCoordRep>::PrintSelf(std::ostream & os, Indent indent) const
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Radius: " << m_Radius << std::endl;
}
template <typename TInputImage, typename TCoordRep>
bool
NeighborhoodBinaryThresholdImageFunction<TInputImage, TCoordRep>::EvaluateAtIndex(const IndexType & index) const
{
if (!this->GetInputImage())
{
return (false);
}
if (!this->IsInsideBuffer(index))
{
return (false);
}
// Create an N-d neighborhood kernel, using a zeroflux boundary condition
ConstNeighborhoodIterator<InputImageType> it(
m_Radius, this->GetInputImage(), this->GetInputImage()->GetBufferedRegion());
// Set the iterator at the desired location
it.SetLocation(index);
// Walk the neighborhood
bool allInside = true;
PixelType lower = this->GetLower();
PixelType upper = this->GetUpper();
PixelType value;
const unsigned int size = it.Size();
for (unsigned int i = 0; i < size; ++i)
{
value = it.GetPixel(i);
if (lower > value || value > upper)
{
allInside = false;
break;
}
}
return (allInside);
}
} // end namespace itk
#endif
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