#pragma once
 
#ifndef TOOLTIMER_INCLUDED
#define TOOLTIMER_INCLUDED
 
// TnzCore includes
#include <tcommon.h>
 
// Qt includes
#include <QElapsedTimer>
 
#undef DVAPI
#undef DVVAR
#ifdef TNZTOOLS_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif
 
 
//===================================================================
 
//*****************************************************************************************
//    TToolTimer definition
//*****************************************************************************************
 
typedef qint64 TTimerTicks;
 
class DVAPI TToolTimer {
private:
  static TToolTimer m_instance;
  QElapsedTimer m_timer;
  TToolTimer();
 
public:
  static const TTimerTicks frequency;
  static const double step;
  static const double epsilon;
 
  static inline TTimerTicks ticks()
    { return m_instance.m_timer.nsecsElapsed(); }
};
 
 
#endif