itkImageToVTKImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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
 *
 *         http://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 itkImageToVTKImageFilter_h
#define itkImageToVTKImageFilter_h

#include "itkVTKImageExport.h"
#include "vtkImageImport.h"
#include "vtkImageData.h"

namespace itk
{

template <typename TInputImage >
class ITK_TEMPLATE_EXPORT ImageToVTKImageFilter : public ProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(ImageToVTKImageFilter);

  using Self = ImageToVTKImageFilter;
  using Superclass = ProcessObject;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkTypeMacro(ImageToVTKImageFilter, ProcessObject);

  using InputImageType = TInputImage;
  using InputImagePointer = typename InputImageType::ConstPointer;

  using ExporterFilterType = VTKImageExport< InputImageType>;
  using ExporterFilterPointer = typename ExporterFilterType::Pointer;

  vtkImageData *  GetOutput() const;

  using Superclass::SetInput;
  void SetInput( const InputImageType * );
  InputImageType * GetInput();

  vtkImageImport * GetImporter() const;

  ExporterFilterType * GetExporter() const;

  void Update() override;

  void UpdateLargestPossibleRegion() override;

protected:
  ImageToVTKImageFilter();
  ~ImageToVTKImageFilter() override;

private:
  ExporterFilterPointer       m_Exporter;
  vtkImageImport *            m_Importer;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageToVTKImageFilter.hxx"
#endif

#endif