2024-03-19 17:45:12 +08:00

99 lines
4.4 KiB
C++

/**************************************************************************************/
/* */
/* Visualization Library */
/* http://visualizationlibrary.org */
/* */
/* Copyright (c) 2005-2020, Michele Bosi */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without modification, */
/* are permitted provided that the following conditions are met: */
/* */
/* - Redistributions of source code must retain the above copyright notice, this */
/* list of conditions and the following disclaimer. */
/* */
/* - Redistributions in binary form must reproduce the above copyright notice, this */
/* list of conditions and the following disclaimer in the documentation and/or */
/* other materials provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/**************************************************************************************/
#ifndef Time_INCLUDE_ONCE
#define Time_INCLUDE_ONCE
#include <vlCore/Object.hpp>
namespace vl
{
//-----------------------------------------------------------------------------
// Time
// Under Windows, due to BIOS or HAL bugs this function could return different
// results on different threads, which means that if more than one thread needs
// to sinchronize with the others using this function they should use the time
// returned in one of those threads as reference.
//-----------------------------------------------------------------------------
/**
* Simple class to be used as a timer and to retrieve the current time and date.
*/
class VLCORE_EXPORT Time: public Object
{
VL_INSTRUMENT_CLASS(vl::Time, Object)
public:
Time();
int year() const { return mYear; }
int month() const { return mMonth; }
int dayOfWeek() const { return mDayOfWeek; }
int dayOfMonth() const { return mDayOfMonth; }
int hour() const { return mHour; }
int minute() const { return mMinute; }
int second() const { return mSecond; }
int microsecond() const { return mMicrosecond; }
static real currentTime();
static void sleep(unsigned int milliseconds);
void start(int index=0) { mStart[index] = currentTime(); }
void stop(int index=0) { mStart[index] = -1.0; }
bool isStarted(int index=0) const { return mStart[index] != -1; }
real elapsed(int index=0) const { return mStart[index] >= 0 ? currentTime() - mStart[index] : -1; }
protected:
int mYear; // 1601 through 30827.
int mMonth; // 1..12
int mDayOfWeek; // 0 = Sunday, 6 = Saturday
int mDayOfMonth; // 1..31
int mHour; // 0..23
int mMinute; // 0..59
int mSecond; // 0..59
int mMicrosecond; // 0 ... 999999
real mStart[VL_MAX_TIMERS];
};
}
#endif