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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2015 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "core/timer.hpp"
#include <cstdlib>
namespace sight::core
{
timer::timer()
{
this->reset();
}
//------------------------------------------------------------------------------
void timer::start()
{
m_stopped = false;
m_cumul_time_in_micro_sec = m_end_time_in_micro_sec - m_start_time_in_micro_sec;
m_start_time_in_micro_sec = core::clock::get_time_in_micro_sec();
}
//------------------------------------------------------------------------------
void timer::stop()
{
m_stopped = true;
m_end_time_in_micro_sec = core::clock::get_time_in_micro_sec();
}
//------------------------------------------------------------------------------
void timer::reset(core::clock::type _initial_value)
{
bool was_stopped = m_stopped;
if(!was_stopped)
{
this->stop();
}
m_start_time_in_micro_sec = 0.;
m_end_time_in_micro_sec = 0.;
m_cumul_time_in_micro_sec = _initial_value;
if(!was_stopped)
{
this->start();
}
}
//------------------------------------------------------------------------------
core::clock::type timer::get_elapsed_time_in_micro_sec() const
{
auto end_time_in_micro_sec = m_end_time_in_micro_sec;
if(!m_stopped)
{
end_time_in_micro_sec = core::clock::get_time_in_micro_sec();
}
return m_cumul_time_in_micro_sec + (end_time_in_micro_sec - m_start_time_in_micro_sec);
}
//------------------------------------------------------------------------------
core::clock::type timer::get_elapsed_time_in_milli_sec() const
{
return this->get_elapsed_time_in_micro_sec() * 0.001;
}
//------------------------------------------------------------------------------
core::clock::type timer::get_elapsed_time_in_sec() const
{
return this->get_elapsed_time_in_micro_sec() * 0.000001;
}
} //namespace sight::core
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