vtk9/Domains/Microscopy/vtkOpenSlideReader.h

82 lines
2.3 KiB
C++

/*=========================================================================
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.
=========================================================================*/
/**
* @class vtkOpenSlideReader
* @brief read digital whole slide images supported by
* openslide library
*
* vtkOpenSlideReader is a source object that uses openslide library to
* read multiple supported image formats used for whole slide images in
* microscopy community.
*
* @sa
* vtkPTIFWriter
*/
#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;
/**
* Is the given file supported ?
*/
int CanReadFile(VTK_FILEPATH const char* fname) override;
/**
* Get the file extensions for this format.
* Returns a string with a space separated list of extensions in
* the format .extension
*/
const char* GetFileExtensions() override
{
return ".ndpi .svs"; // TODO: Get exaustive list of formats
}
///@{
/**
* Return a descriptive name for the file format that might be useful in a GUI.
*/
const char* GetDescriptiveName() override { return "Openslide::WholeSlideImage"; }
protected:
vtkOpenSlideReader() {}
~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;
};
#endif