MeVisLab/Standard/Sources/Inventor/SoUtils/SoShowFPS.h

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#ifndef __SoShowFPS_H
#define __SoShowFPS_H
//----------------------------------------------------------------------------------
// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------

#include "SoUtilsSystem.h"
#include "mlTimeCounter.h"
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFColor.h>
#include <Inventor/fields/SoSFFloat.h>

//=============================================================
//=============================================================
class SOUTILS_EXPORT SoShowFPS : public SoNode {

  SO_NODE_HEADER(SoShowFPS);

public:
  // Constructor
  SoShowFPS();

  static void    initClass();

  virtual void   GLRender(SoGLRenderAction *action);


  SoSFInt32 numAverageFrames;

  SoSFBool  drawRepaintCount;
  SoSFBool  drawFPS;

  SoSFInt32 fontSize;

  SoSFColor color;

  SoSFFloat alpha;

protected:
  virtual ~SoShowFPS();

private:
  ml::TimeCounter _timer;
  std::vector<float> _recentTimeSpent;

  int _repaintCount;
};

#endif