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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 itkImageFilterToVideoFilterWrapper_h
#define itkImageFilterToVideoFilterWrapper_h
#include "itkVideoToVideoFilter.h"
namespace itk
{
/**
* \class ImageFilterToVideoFilterWrapper
* \brief Wrap an ImageToImageFilter as a VideoToVideoFilter that operates on
* a single frame at a time
*
* This filter wrapper allows all of the standard ITK image filters to be used
* in a video pipeline. This is done by instantiating the image filter, setting
* its parameters, and then using the SetImageFilter() method of this wrapper
* to use the filter to process each in a video pipeline. An instance of this
* wrapper must be templated over the appropriate image filter type.
*
* \ingroup ITKVideoFiltering
*/
template <typename TImageToImageFilter>
class ITK_TEMPLATE_EXPORT ImageFilterToVideoFilterWrapper
: public VideoToVideoFilter<itk::VideoStream<typename TImageToImageFilter::InputImageType>,
itk::VideoStream<typename TImageToImageFilter::OutputImageType>>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(ImageFilterToVideoFilterWrapper);
/** Standard class type aliases */
using ImageFilterType = TImageToImageFilter;
using InputFrameType = typename ImageFilterType::InputImageType;
using OutputFrameType = typename ImageFilterType::OutputImageType;
using InputVideoStreamType = itk::VideoStream<InputFrameType>;
using OutputVideoStreamType = itk::VideoStream<OutputFrameType>;
using Self = ImageFilterToVideoFilterWrapper<ImageFilterType>;
using Superclass = VideoToVideoFilter<InputVideoStreamType, OutputVideoStreamType>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
using ConstWeakPointer = WeakPointer<const Self>;
itkNewMacro(Self);
itkOverrideGetNameOfClassMacro(ImageFilterToVideoFilterWrapper);
/** Set the filter to use in the internal pipeline */
itkSetObjectMacro(ImageFilter, ImageFilterType);
itkGetModifiableObjectMacro(ImageFilter, ImageFilterType);
protected:
/** Constructor and Destructor */
ImageFilterToVideoFilterWrapper();
~ImageFilterToVideoFilterWrapper() override = default;
/** PrintSelf */
void
PrintSelf(std::ostream & os, Indent indent) const override;
/** Since we just set up a mini image pipeline inside, we override
* TemporalStreamingGenerateData*/
void
TemporalStreamingGenerateData() override;
/** Pointer to filter to use for internal filter */
typename ImageFilterType::Pointer m_ImageFilter{};
private:
}; // end class ImageFilterToVideoFilterWrapper
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkImageFilterToVideoFilterWrapper.hxx"
#endif
#endif
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