FvTimeCounter.h

[詳解]

//  $Revision: 1.2 $
/*
    @file   FvTimeCounter.h
    @brief  CFvTimeCounter class interface
    @author FAST Corporation
*/

#ifndef     _FVTIMECOUNTER_H_INCLUDED_
#define     _FVTIMECOUNTER_H_INCLUDED_

#include "FvObject.h"

#pragma pack(push,_FVCL_PACKING)

namespace FVCL
{

class FVCL_API CFvTimeCounter  : public CFvObject
{
public:
    CFvTimeCounter();
    virtual ~CFvTimeCounter();

    bool QueryFrequency();
    bool Start();
    DOUBLE Stop();
    DOUBLE GetTime( bool blReset );
    bool GetTime( DOUBLE* pdbMilliSecond, bool blReset = true );
    bool GetTime( struct timeval* ptvTime, bool blReset = true );

    virtual CFvTimeCounter& operator = ( const CFvTimeCounter& src );
    virtual bool operator == ( const CFvTimeCounter& src ) const;
    virtual bool operator != ( const CFvTimeCounter& src ) const;

protected:
    LARGE_INTEGER    m_time;            // time
    LARGE_INTEGER    m_freq;            // frequency
};

}   // FVCL

#pragma pack(pop)

#endif      //  _FVTIMECOUNTER_H_INCLUDED_