evaltime.cpp

来自「3D reconstruction, medical image process」· C++ 代码 · 共 29 行

#include "stdafx.h"
#include "evaltime.h"

RxEvalTime::RxEvalTime()
{
	QueryPerformanceFrequency(&m_liFrequency);
	QueryPerformanceCounter(&m_liStart);
}

RxEvalTime::~RxEvalTime()
{
}

void RxEvalTime::RestartTimer()
{
	QueryPerformanceCounter(&m_liStart);
}

double RxEvalTime::GetElapsedTime(BOOL bRestart)
{
	LARGE_INTEGER liNow;
	QueryPerformanceCounter(&liNow);
	double fElapsedTime = (liNow.QuadPart - m_liStart.QuadPart) / (double)m_liFrequency.QuadPart;

	if (bRestart)
		QueryPerformanceCounter(&m_liStart);

	return fElapsedTime;
}