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// Scintilla source code edit control
/** @file ElapsedPeriod.h
** Encapsulate C++ <chrono> to simplify use.
**/
// Copyright 2018 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#ifndef ELAPSEDPERIOD_H
#define ELAPSEDPERIOD_H
namespace Scintilla {
// Simplified access to high precision timing.
class ElapsedPeriod {
std::chrono::high_resolution_clock::time_point tp;
public:
/// Capture the moment
ElapsedPeriod() noexcept : tp(std::chrono::high_resolution_clock::now()) {
}
/// Return duration as floating point seconds
double Duration(bool reset=false) noexcept {
const std::chrono::high_resolution_clock::time_point tpNow =
std::chrono::high_resolution_clock::now();
const std::chrono::duration<double> stylingDuration =
std::chrono::duration_cast<std::chrono::duration<double>>(tpNow - tp);
if (reset) {
tp = tpNow;
}
return stylingDuration.count();
}
};
}
#endif
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