vtkGraphReader.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkGraphReader.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 vtkGraphReader_h
#define vtkGraphReader_h
 
#include "vtkDataReader.h"
#include "vtkIOLegacyModule.h" // For export macro
 
class vtkGraph;
 
class VTKIOLEGACY_EXPORT vtkGraphReader : public vtkDataReader
{
public:
  static vtkGraphReader* New();
  vtkTypeMacro(vtkGraphReader, vtkDataReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGraph* GetOutput();
  vtkGraph* GetOutput(int idx);
 
  int ReadMeshSimple(VTK_FILEPATH const std::string& fname, vtkDataObject* output) override;
 
protected:
  vtkGraphReader();
  ~vtkGraphReader() override;
 
  enum GraphType
  {
    UnknownGraph,
    DirectedGraph,
    UndirectedGraph,
    Molecule
  };
 
  vtkDataObject* CreateOutput(vtkDataObject* currentOutput) override;
 
  // Read beginning of file to determine whether the graph is directed.
  virtual int ReadGraphType(const char* fname, GraphType& type);
 
  int FillOutputPortInformation(int, vtkInformation*) override;
 
private:
  vtkGraphReader(const vtkGraphReader&) = delete;
  void operator=(const vtkGraphReader&) = delete;
};
 
#endif