G4XXXFileViewer.hh

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// $Id: G4XXXFileViewer.hh 66373 2012-12-18 09:41:34Z gcosmo $
//
// 
// John Allison  7th March 2006
// A template for a file-writing graphics driver.
//?? Lines beginning like this require specialisation for your driver.

#ifndef G4XXXFileVIEWER_HH
#define G4XXXFileVIEWER_HH

#include "G4VViewer.hh"

#include <fstream>

class G4XXXFileViewer: public G4VViewer {
public:
  G4XXXFileViewer(G4VSceneHandler&,const G4String& name);
  virtual ~G4XXXFileViewer();
  void SetView();
  void ClearView();
  void DrawView();
  void ShowView();
  // A simple class to handle delayed opening, etc.  There are various
  // degrees of sophistication in, for example, the allocation of
  // filenames -- see FukuiRenderer or HepRepFile.
  class FileWriter {
  public:
    FileWriter(): fOpen(false) {}
    G4bool IsOpen() {return fOpen;}
    void WriteItem(const G4String& item);
    void Close();
    // Implement rewind as close and re-open...
    void Rewind() {if (fOpen) {fFile.close(); fFile.open(fFileName.c_str());}}
  private:
    G4String fFileName;
    G4bool fOpen;
    std::ofstream fFile;
  };
  FileWriter& GetFileWriter() {return fFileWriter;}
private:
  FileWriter fFileWriter;
};

#endif