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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 itkAdaptiveHistogramEqualizationImageFilter_hxx
#define itkAdaptiveHistogramEqualizationImageFilter_hxx
#include <map>
#include <set>
#include "itkMath.h"
#include "itkImageRegionIterator.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "itkConstNeighborhoodIterator.h"
#include "itkNeighborhoodAlgorithm.h"
#include "itkProgressReporter.h"
#include "itkMinimumMaximumImageFilter.h"
namespace itk
{
template <typename TImageType, typename TKernel>
void
AdaptiveHistogramEqualizationImageFilter<TImageType, TKernel>::BeforeThreadedGenerateData()
{
auto input = ImageType::New();
input->Graft(const_cast<ImageType *>(this->GetInput()));
// Calculate min and max gray level of an input image
// NOTE: This computation of min/max means that this filter should
// not be able to stream.
using MinMaxFilter = MinimumMaximumImageFilter<ImageType>;
auto minmax = MinMaxFilter::New();
minmax->SetInput(input);
minmax->Update();
m_InputMinimum = minmax->GetMinimum();
m_InputMaximum = minmax->GetMaximum();
}
template <typename TImageType, typename TKernel>
void
AdaptiveHistogramEqualizationImageFilter<TImageType, TKernel>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Alpha: " << m_Alpha << std::endl;
os << indent << "Beta: " << m_Beta << std::endl;
os << indent << "InputMinimum: " << static_cast<typename NumericTraits<InputPixelType>::PrintType>(m_InputMinimum)
<< std::endl;
os << indent << "InputMaximum: " << static_cast<typename NumericTraits<InputPixelType>::PrintType>(m_InputMaximum)
<< std::endl;
os << indent << "UseLookupTable: " << (m_UseLookupTable ? "On" : "Off") << std::endl;
}
} // namespace itk
#endif
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