mirror of http://192.168.1.51:8099/lmh188/twain3.0
35 lines
753 B
C
35 lines
753 B
C
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#pragma once
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#include <chrono>
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class StopWatch
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{
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public:
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StopWatch() {
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_start = std::chrono::steady_clock::now();
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}
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void reset() {
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_start = std::chrono::steady_clock::now();
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}
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double elapsed_s() {
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return std::chrono::duration<double>(std::chrono::steady_clock::now() - _start).count();
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}
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double elapsed_ms() {
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return std::chrono::duration<double, std::milli>(std::chrono::steady_clock::now() - _start).count();
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}
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double elapsed_us() {
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return std::chrono::duration<double, std::micro>(std::chrono::steady_clock::now() - _start).count();
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}
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double elapsed_ns() {
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return std::chrono::duration<double, std::nano>(std::chrono::steady_clock::now() - _start).count();
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}
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private:
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std::chrono::steady_clock::time_point _start;
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};
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