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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
{
/** \class ImageToVTKImageFilter
* \brief Converts an ITK image into a VTK image and plugs a
* itk data pipeline to a VTK datapipeline.
*
* This class puts together an itkVTKImageExporter and a vtkImageImporter.
* It takes care of the details related to the connection of ITK and VTK
* pipelines. The User will perceive this filter as an adaptor to which
* an itk::Image can be plugged as input and a vtkImage is produced as
* output.
*
* \ingroup ITKVtkGlue
*
* \wiki
* \wikiexample{IO/ImageToVTKImageFilter,Display an ITK image}
* \wikiexample{IO/itkVtkImageConvertDICOM,Uses a custom user matrix to align the image with DICOM physical space}
* \endwiki
*/
template <typename TInputImage >
class ImageToVTKImageFilter : public ProcessObject
{
public:
/** Standard class typedefs. */
typedef ImageToVTKImageFilter Self;
typedef ProcessObject Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ImageToVTKImageFilter, ProcessObject);
/** Some typedefs. */
typedef TInputImage InputImageType;
typedef typename InputImageType::ConstPointer InputImagePointer;
typedef VTKImageExport< InputImageType> ExporterFilterType;
typedef typename ExporterFilterType::Pointer ExporterFilterPointer;
/** Get the output in the form of a vtkImage.
This call is delegated to the internal vtkImageImporter filter */
vtkImageData * GetOutput() const;
/** Set the input in the form of an itk::Image */
using Superclass::SetInput;
void SetInput( const InputImageType * );
InputImageType * GetInput();
/** Return the internal VTK image importer filter.
This is intended to facilitate users the access
to methods in the importer */
vtkImageImport * GetImporter() const;
/** Return the internal ITK image exporter filter.
This is intended to facilitate users the access
to methods in the exporter */
ExporterFilterType * GetExporter() const;
/** This call delegates the update to the importer */
virtual void Update() ITK_OVERRIDE;
/** This call delegates the update to the importer */
virtual void UpdateLargestPossibleRegion() ITK_OVERRIDE;
protected:
ImageToVTKImageFilter();
virtual ~ImageToVTKImageFilter();
private:
ImageToVTKImageFilter(const Self&) ITK_DELETE_FUNCTION;
void operator=(const Self&) ITK_DELETE_FUNCTION;
ExporterFilterPointer m_Exporter;
vtkImageImport * m_Importer;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageToVTKImageFilter.hxx"
#endif
#endif
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