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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 itkLabelMapToRGBImageFilter_h
#define itkLabelMapToRGBImageFilter_h
#include "itkLabelMapFilter.h"
#include "itkLabelToRGBFunctor.h"
#include "itkImage.h"
#include "itkRGBPixel.h"
namespace itk
{
/**
* \class LabelMapToRGBImageFilter
* \brief Convert a LabelMap to a colored image
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* This implementation was taken from the Insight Journal paper:
* https://www.insight-journal.org/browse/publication/176
*
* \sa LabelToRGBImageFilter, LabelToRGBFunctor
* \sa LabelMapOverlayImageFilter, LabelMapToBinaryImageFilter, LabelMapMaskImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
* \ingroup ITKImageFusion
*/
template <typename TInputImage, typename TOutputImage = Image<RGBPixel<unsigned char>, TInputImage::ImageDimension>>
class ITK_TEMPLATE_EXPORT LabelMapToRGBImageFilter : public LabelMapFilter<TInputImage, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(LabelMapToRGBImageFilter);
/** Standard class type aliases. */
using Self = LabelMapToRGBImageFilter;
using Superclass = LabelMapFilter<TInputImage, TOutputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Some convenient type alias. */
using InputImageType = TInputImage;
using OutputImageType = TOutputImage;
using InputImagePointer = typename InputImageType::Pointer;
using InputImageConstPointer = typename InputImageType::ConstPointer;
using InputImageRegionType = typename InputImageType::RegionType;
using InputImagePixelType = typename InputImageType::PixelType;
using LabelObjectType = typename InputImageType::LabelObjectType;
using OutputImagePointer = typename OutputImageType::Pointer;
using OutputImageConstPointer = typename OutputImageType::ConstPointer;
using OutputImageRegionType = typename OutputImageType::RegionType;
using OutputImagePixelType = typename OutputImageType::PixelType;
using IndexType = typename OutputImageType::IndexType;
using FunctorType = typename Functor::LabelToRGBFunctor<InputImagePixelType, OutputImagePixelType>;
/** ImageDimension constants */
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
/** Standard New method. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(LabelMapToRGBImageFilter);
/** Set/Get the rgb functor - defaults to a reasonable set of colors.
* This can be used to apply a different colormap.
*/
virtual void
SetFunctor(const FunctorType & functor)
{
if (m_Functor != functor)
{
m_Functor = functor;
this->Modified();
}
}
FunctorType &
GetFunctor()
{
return m_Functor;
}
const FunctorType &
GetFunctor() const
{
return m_Functor;
}
protected:
LabelMapToRGBImageFilter() = default;
~LabelMapToRGBImageFilter() override = default;
void
BeforeThreadedGenerateData() override;
void
ThreadedProcessLabelObject(LabelObjectType * labelObject) override;
void
GenerateOutputInformation() override;
private:
FunctorType m_Functor{};
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkLabelMapToRGBImageFilter.hxx"
#endif
#endif
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