Function FormatTime

src-core/imgui/implot/implot.cpp:1075–1113

static const char* MONTH_ABRVS[]  = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};

int FormatTime(const ImPlotTime& t, char* buffer, int size, ImPlotTimeFmt fmt, bool use_24_hr_clk) {
    tm& Tm = GImPlot->Tm;
    GetTime(t, &Tm);
    const int us   = t.Us % 1000;
    const int ms   = t.Us / 1000;
    const int sec  = Tm.tm_sec;
    const int min  = Tm.tm_min;
    if (use_24_hr_clk) {
        const int hr   = Tm.tm_hour;
        switch(fmt) {
            case ImPlotTimeFmt_Us:        return ImFormatString(buffer, size, ".%03d %03d", ms, us);
            case ImPlotTimeFmt_SUs:       return ImFormatString(buffer, size, ":%02d.%03d %03d", sec, ms, us);
            case ImPlotTimeFmt_SMs:       return ImFormatString(buffer, size, ":%02d.%03d", sec, ms);
            case ImPlotTimeFmt_S:         return ImFormatString(buffer, size, ":%02d", sec);
            case ImPlotTimeFmt_MinSMs:    return ImFormatString(buffer, size, ":%02d:%02d.%03d", min, sec, ms);
            case ImPlotTimeFmt_HrMinSMs:  return ImFormatString(buffer, size, "%02d:%02d:%02d.%03d", hr, min, sec, ms);
            case ImPlotTimeFmt_HrMinS:    return ImFormatString(buffer, size, "%02d:%02d:%02d", hr, min, sec);
            case ImPlotTimeFmt_HrMin:     return ImFormatString(buffer, size, "%02d:%02d", hr, min);
            case ImPlotTimeFmt_Hr:        return ImFormatString(buffer, size, "%02d:00", hr);
            default:                      return 0;
        }
    }
    else {
        const char* ap = Tm.tm_hour < 12 ? "am" : "pm";
        const int hr   = (Tm.tm_hour == 0 || Tm.tm_hour == 12) ? 12 : Tm.tm_hour % 12;
        switch(fmt) {
            case ImPlotTimeFmt_Us:        return ImFormatString(buffer, size, ".%03d %03d", ms, us);
            case ImPlotTimeFmt_SUs:       return ImFormatString(buffer, size, ":%02d.%03d %03d", sec, ms, us);
            case ImPlotTimeFmt_SMs:       return ImFormatString(buffer, size, ":%02d.%03d", sec, ms);
            case ImPlotTimeFmt_S:         return ImFormatString(buffer, size, ":%02d", sec);
            case ImPlotTimeFmt_MinSMs:    return ImFormatString(buffer, size, ":%02d:%02d.%03d", min, sec, ms);
            case ImPlotTimeFmt_HrMinSMs:  return ImFormatString(buffer, size, "%d:%02d:%02d.%03d%s", hr, min, sec, ms, ap);
            case ImPlotTimeFmt_HrMinS:    return ImFormatString(buffer, size, "%d:%02d:%02d%s", hr, min, sec, ap);
            case ImPlotTimeFmt_HrMin:     return ImFormatString(buffer, size, "%d:%02d%s", hr, min, ap);
            case ImPlotTimeFmt_Hr:        return ImFormatString(buffer, size, "%d%s", hr, ap);
            default:                      return 0;
        }
    }
}

int FormatDate(const ImPlotTime& t, char* buffer, int size, ImPlotDateFmt fmt, bool use_iso_8601) {
    tm& Tm = GImPlot->Tm;