vtkOpenSlideReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkOpenSlideReader_h
#define vtkOpenSlideReader_h
 
#include "vtkDomainsMicroscopyModule.h" // For export macro
#include "vtkImageReader2.h"
 
extern "C"
{
#include "openslide/openslide.h" // For openslide support
}
 
VTK_ABI_NAMESPACE_BEGIN
class VTKDOMAINSMICROSCOPY_EXPORT vtkOpenSlideReader : public vtkImageReader2
{
public:
  static vtkOpenSlideReader* New();
  vtkTypeMacro(vtkOpenSlideReader, vtkImageReader2);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  int CanReadFile(VTK_FILEPATH const char* fname) override;
 
  const char* GetFileExtensions() override
  {
    return ".ndpi .svs"; // TODO: Get exhaustive list of formats
  }
 
 
  const char* GetDescriptiveName() override { return "Openslide::WholeSlideImage"; }
 
protected:
  vtkOpenSlideReader() = default;
  ~vtkOpenSlideReader() override;
 
  void ExecuteInformation() override;
  void ExecuteDataWithInformation(vtkDataObject* out, vtkInformation* outInfo) override;
 
private:
  openslide_t* openslide_handle = nullptr;
 
  vtkOpenSlideReader(const vtkOpenSlideReader&) = delete;
  void operator=(const vtkOpenSlideReader&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif