vtkOpenSlideReader.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkOpenSlideReader.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkOpenSlideReader_h
#define vtkOpenSlideReader_h

#include "vtkDomainsMicroscopyModule.h" // For export macro
#include "vtkImageReader2.h"

extern "C" {
#include "openslide/openslide.h" // For openslide support
}

class VTKDOMAINSMICROSCOPY_EXPORT vtkOpenSlideReader : public vtkImageReader2
{
public:
  static vtkOpenSlideReader *New();
  vtkTypeMacro(vtkOpenSlideReader,vtkImageReader2);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  int CanReadFile(const char* fname) override;

  const char* GetFileExtensions() override
  {
      return ".ndpi .svs"; // TODO: Get exaustive list of formats
  }


  const char* GetDescriptiveName() override
  {
      return "Openslide::WholeSlideImage";
  }
protected:
  vtkOpenSlideReader() {}
  ~vtkOpenSlideReader();

  void ExecuteInformation() override;
  void ExecuteDataWithInformation(vtkDataObject *out, vtkInformation *outInfo) override;
private:
  openslide_t *openslide_handle;

  vtkOpenSlideReader(const vtkOpenSlideReader&) = delete;
  void operator=(const vtkOpenSlideReader&) = delete;
};
#endif