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add ImPlotTime struct
This commit is contained in:
epezent
parent
61e6b5118e
commit
f92625a462
185
implot.cpp
185
implot.cpp
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@ -596,28 +596,6 @@ static const double TimeUnitSpans[ImPlotTimeUnit_COUNT] = {
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31557600
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};
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static const ImPlotTimeFmt TimeFormatLevel0[ImPlotTimeUnit_COUNT] = {
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ImPlotTimeFmt_SUs,
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ImPlotTimeFmt_SMs,
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ImPlotTimeFmt_S,
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ImPlotTimeFmt_HrMin,
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ImPlotTimeFmt_Hr,
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ImPlotTimeFmt_DayMo,
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ImPlotTimeFmt_Mo,
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ImPlotTimeFmt_Yr
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};
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static const ImPlotTimeFmt TimeFormatLevel1[ImPlotTimeUnit_COUNT] = {
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ImPlotTimeFmt_DayMoHrMin,
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ImPlotTimeFmt_DayMoHrMin,
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ImPlotTimeFmt_DayMoHrMin,
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ImPlotTimeFmt_DayMoHrMin,
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ImPlotTimeFmt_DayMo,
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ImPlotTimeFmt_DayMo,
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ImPlotTimeFmt_Yr,
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ImPlotTimeFmt_Yr
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};
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inline ImPlotTimeUnit GetUnitForRange(double range) {
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static double cutoffs[ImPlotTimeUnit_COUNT] = {0.001, 1, 60, 3600, 86400, 2629800, 31557600, IMPLOT_MAX_TIME};
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for (int i = 0; i < ImPlotTimeUnit_COUNT; ++i) {
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@ -761,63 +739,43 @@ double MakeYear(int year) {
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return (double)s;
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}
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void FormatTime(double t, char* buffer, int size, ImPlotTimeFmt fmt) {
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int FormatTime(double t, char* buffer, int size, ImPlotTimeFmt fmt) {
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printf("%.6f\n",t);
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time_t s = (time_t)t;
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int ms = (int)(t * 1000 - floor(t) * 1000);
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ms = ms % 10 == 9 ? ms + 1 : ms;
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ms = ms % 10 == 9 ? ms + 1 : ms; // don't like this
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int us = (int)(t * 1000000 - floor(t) * 1000000);
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us = us % 10 == 9 ? us + 1 : us;
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us = us % 10 == 9 ? us + 1 : us; // don't like this
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tm& Tm = GImPlot->Tm;
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GetGmTime(&s, &Tm);
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const char* ap = Tm.tm_hour < 12 ? "am" : "pm";
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const int sec = Tm.tm_sec;
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const int min = Tm.tm_min;
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const int hr = (Tm.tm_hour == 0 || Tm.tm_hour == 12) ? 12 : Tm.tm_hour % 12;
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const int day = Tm.tm_mday;
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const int mon = Tm.tm_mon + 1;
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const int year = Tm.tm_year + 1900;
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const int yr = year % 100;
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static const char mnames[12][4] = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
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switch(fmt) {
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case ImPlotTimeFmt_Yr: strftime(buffer, size, "%Y", &Tm); break;
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case ImPlotTimeFmt_Mo: strftime(buffer, size, "%b", &Tm); break;
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case ImPlotTimeFmt_DayMo: snprintf(buffer, size, "%d/%d", Tm.tm_mon + 1, Tm.tm_mday); break;
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case ImPlotTimeFmt_DayMoHrMin:
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if (Tm.tm_hour == 0)
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snprintf(buffer, size, "%d/%d 12:%02dam", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_min);
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else if (Tm.tm_hour == 12)
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snprintf(buffer, size, "%d/%d 12:%02dpm", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_min);
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else if (Tm.tm_hour < 12)
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snprintf(buffer, size, "%d/%d %u:%02dam", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_hour, Tm.tm_min);
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else if (Tm.tm_hour > 12)
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snprintf(buffer, size, "%d/%d %u:%02dpm", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_hour - 12, Tm.tm_min);
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break;
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case ImPlotTimeFmt_DayMoYr: snprintf(buffer, size, "%d/%d/%d", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_year + 1900); break;
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case ImPlotTimeFmt_DayMoYrHrMin:
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if (Tm.tm_hour == 0)
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snprintf(buffer, size, "%d/%d/%d 12:%02dam", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_year + 1900, Tm.tm_min);
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else if (Tm.tm_hour == 12)
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snprintf(buffer, size, "%d/%d/%d 12:%02dpm", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_year + 1900, Tm.tm_min);
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else if (Tm.tm_hour < 12)
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snprintf(buffer, size, "%d/%d/%d %u:%02dam", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_year + 1900, Tm.tm_hour, Tm.tm_min);
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else if (Tm.tm_hour > 12)
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snprintf(buffer, size, "%d/%d/%d %u:%02dpm", Tm.tm_mon + 1, Tm.tm_mday, Tm.tm_year + 1900, Tm.tm_hour - 12, Tm.tm_min);
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break;
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case ImPlotTimeFmt_Hr:
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if (Tm.tm_hour == 0)
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snprintf(buffer, size, "12am");
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else if (Tm.tm_hour == 12)
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snprintf(buffer, size, "12pm");
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else if (Tm.tm_hour < 12)
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snprintf(buffer, size, "%uam", Tm.tm_hour);
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else if (Tm.tm_hour > 12)
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snprintf(buffer, size, "%upm", Tm.tm_hour - 12);
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break;
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case ImPlotTimeFmt_HrMin:
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if (Tm.tm_hour == 0)
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snprintf(buffer, size, "12:%02dam", Tm.tm_min);
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else if (Tm.tm_hour == 12)
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snprintf(buffer, size, "12:%02dpm", Tm.tm_min);
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else if (Tm.tm_hour < 12)
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snprintf(buffer, size, "%d:%02dam", Tm.tm_hour, Tm.tm_min);
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else if (Tm.tm_hour > 12)
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snprintf(buffer, size, "%d:%02dpm", Tm.tm_hour - 12, Tm.tm_min);
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break;
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case ImPlotTimeFmt_S: snprintf(buffer, size, ":%02d", Tm.tm_sec); break;
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case ImPlotTimeFmt_SMs: snprintf(buffer, size, ":%02d.%03d", Tm.tm_sec, ms); break;
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case ImPlotTimeFmt_SUs: snprintf(buffer, size, ":%02d.%06d", Tm.tm_sec, us); break;
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default: break;
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case ImPlotTimeFmt_Us: return snprintf(buffer, size, ".%06d", us);
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case ImPlotTimeFmt_SUs: return snprintf(buffer, size, ":%02d.%06d", sec, us);
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case ImPlotTimeFmt_SMs: return snprintf(buffer, size, ":%02d.%03d", sec, ms);
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case ImPlotTimeFmt_S: return snprintf(buffer, size, ":%02d", sec);
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case ImPlotTimeFmt_HrMinS: return snprintf(buffer, size, "%d:%02d:%02d%s", hr, min, sec, ap);
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case ImPlotTimeFmt_HrMin: return snprintf(buffer, size, "%d:%02d%s", hr, min, ap);
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case ImPlotTimeFmt_Hr: return snprintf(buffer, size, "%u%s", hr, ap);
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case ImPlotTimeFmt_DayMo: return snprintf(buffer, size, "%d/%d", mon, day);
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case ImPlotTimeFmt_DayMoHrMin: return snprintf(buffer, size, "%d/%d %u:%02d%s", mon, day, hr, min, ap);
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case ImPlotTimeFmt_DayMoYr: return snprintf(buffer, size, "%d/%d/%d", mon, day, yr);
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case ImPlotTimeFmt_DayMoYrHrMin: return snprintf(buffer, size, "%d/%d/%d %u:%02d%s", mon, day, yr, hr, min, ap);
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case ImPlotTimeFmt_DayMoYrHrMinS: return snprintf(buffer, size, "%d/%d/%d %u:%02d:%02d%s", mon, day, yr, hr, min, sec, ap);
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case ImPlotTimeFmt_Mo: return snprintf(buffer, size, "%s", mnames[Tm.tm_mon]);
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case ImPlotTimeFmt_Yr: return snprintf(buffer, size, "%d", year);
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default: return 0;
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}
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}
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@ -830,14 +788,18 @@ void PrintTime(double t, ImPlotTimeFmt fmt) {
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// Returns the nominally largest possible width for a time format
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inline float GetTimeLabelWidth(ImPlotTimeFmt fmt) {
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switch (fmt) {
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case ImPlotTimeFmt_Us: return ImGui::CalcTextSize(".888888").x; // .428552
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case ImPlotTimeFmt_SUs: return ImGui::CalcTextSize(":88.888888").x; // :29.428552
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case ImPlotTimeFmt_SMs: return ImGui::CalcTextSize(":88.888").x; // :29.428
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case ImPlotTimeFmt_S: return ImGui::CalcTextSize(":88").x; // :29
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case ImPlotTimeFmt_HrMinS: return ImGui::CalcTextSize("88:88:88pm").x; // 7:21:29pm
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case ImPlotTimeFmt_HrMin: return ImGui::CalcTextSize("88:88pm").x; // 7:21pm
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case ImPlotTimeFmt_Hr: return ImGui::CalcTextSize("8pm").x; // 7pm
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case ImPlotTimeFmt_DayMo: return ImGui::CalcTextSize("88/88").x; // 10/3
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case ImPlotTimeFmt_DayMoHrMin: return ImGui::CalcTextSize("88/88 88:88pm").x; // 10/3 7:21pm
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case ImPlotTimeFmt_DayMoYrHrMin: return ImGui::CalcTextSize("88/88/8888 88:88pm").x; // 10/3/1991 7:21pm
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case ImPlotTimeFmt_DayMoYr: return ImGui::CalcTextSize("88/88/88").x; // 10/3/1991
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case ImPlotTimeFmt_DayMoYrHrMin: return ImGui::CalcTextSize("88/88/88 88:88pm").x; // 10/3/91 7:21pm
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case ImPlotTimeFmt_DayMoYrHrMinS: return ImGui::CalcTextSize("88/88/88 88:88:88pm").x; // 10/3/91 7:21:29pm
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case ImPlotTimeFmt_Mo: return ImGui::CalcTextSize("MMM").x; // Oct
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case ImPlotTimeFmt_Yr: return ImGui::CalcTextSize("8888").x; // 1991
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default: return 0;
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@ -854,17 +816,58 @@ inline void LabelTickTime(ImPlotTick& tick, ImGuiTextBuffer& buffer, ImPlotTimeF
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}
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}
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static const ImPlotTimeFmt TimeFormatLevel0[ImPlotTimeUnit_COUNT] = {
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ImPlotTimeFmt_Us,
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ImPlotTimeFmt_SMs,
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ImPlotTimeFmt_S,
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ImPlotTimeFmt_HrMin,
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ImPlotTimeFmt_Hr,
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ImPlotTimeFmt_DayMo,
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ImPlotTimeFmt_Mo,
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ImPlotTimeFmt_Yr
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};
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static const ImPlotTimeFmt TimeFormatLevel1[ImPlotTimeUnit_COUNT] = {
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ImPlotTimeFmt_HrMin,
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ImPlotTimeFmt_HrMinS,
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ImPlotTimeFmt_HrMin,
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ImPlotTimeFmt_HrMin,
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ImPlotTimeFmt_DayMo,
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ImPlotTimeFmt_DayMo,
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ImPlotTimeFmt_Yr,
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ImPlotTimeFmt_Yr
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};
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static const ImPlotTimeFmt TimeFormatLevel1First[ImPlotTimeUnit_COUNT] = {
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ImPlotTimeFmt_DayMoYrHrMinS,
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ImPlotTimeFmt_DayMoYrHrMinS,
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ImPlotTimeFmt_DayMoYrHrMin,
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ImPlotTimeFmt_DayMoYrHrMin,
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ImPlotTimeFmt_DayMoYr,
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ImPlotTimeFmt_DayMoYr,
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ImPlotTimeFmt_Yr,
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ImPlotTimeFmt_Yr
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};
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void AddTicksTime(const ImPlotRange& range, float plot_width, ImPlotTickCollection& ticks) {
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// get units for level 0 and level 1 labels
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const ImPlotTimeUnit unit0 = GetUnitForRange(range.Size() / (plot_width / 100)); // level = 0 (top)
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const ImPlotTimeUnit unit1 = unit0 + 1; // level = 1 (bottom)
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// get time format specs
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const ImPlotTimeFmt fmt0 = TimeFormatLevel0[unit0];
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const ImPlotTimeFmt fmt1 = TimeFormatLevel1[unit1];
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const ImPlotTimeFmt fmtf = TimeFormatLevel1First[unit1];
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// maximum allowable density of labels
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const float max_density = 0.66f;
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const float max_density = 0.5f;
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bool first = true;
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const char* last_major = NULL;
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if (unit0 != ImPlotTimeUnit_Yr) {
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// pixels per major (level 1) division
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const float pix_per_major_div = plot_width / (float)(range.Size() / TimeUnitSpans[unit1]);
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// nominal pixels taken up by minor (level 0) label
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const float minor_label_width = GetTimeLabelWidth(TimeFormatLevel0[unit0]);
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const float minor_label_width = GetTimeLabelWidth(fmt0);
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// the maximum number of minor (level 0) labels that can fit between major (level 1) divisions
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const int minor_per_major = (int)(max_density * pix_per_major_div / minor_label_width);
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// the minor step size (level 0)
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@ -873,14 +876,25 @@ void AddTicksTime(const ImPlotRange& range, float plot_width, ImPlotTickCollecti
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double t1 = FloorTime(range.Min, unit1);
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while (t1 < range.Max) {
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if (range.Contains(t1)) {
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ImPlotTick tick_maj(t1,true,true);
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tick_maj.Level = 1;
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LabelTickTime(tick_maj,ticks.Labels,TimeFormatLevel1[unit1]);
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ticks.AddTick(tick_maj);
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// minor level 0 tick
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ImPlotTick tick_min(t1,true,true);
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tick_min.Level = 0;
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LabelTickTime(tick_min,ticks.Labels,TimeFormatLevel0[unit0]);
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LabelTickTime(tick_min,ticks.Labels,fmt0);
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ticks.AddTick(tick_min);
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// major level 1 tick
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ImPlotTick tick_maj(t1,true,true);
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tick_maj.Level = 1;
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LabelTickTime(tick_maj,ticks.Labels,first ? fmtf : fmt1);
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const char* this_major = ticks.Labels.Buf.Data + tick_maj.BufferOffset;
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if (last_major == NULL)
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last_major = this_major;
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else if (strcmp(last_major,this_major) == 0)
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tick_maj.ShowLabel = false;
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else
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last_major = this_major;
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ticks.AddTick(tick_maj);
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if (first) first = false;
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}
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// add minor ticks up until next major
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const double t2 = AddTime(t1, unit1, 1);
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@ -892,8 +906,15 @@ void AddTicksTime(const ImPlotRange& range, float plot_width, ImPlotTickCollecti
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if (range.Contains(t12)) {
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ImPlotTick tick(t12,false,px_to_t2 >= minor_label_width);
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tick.Level = 0;
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LabelTickTime(tick,ticks.Labels,TimeFormatLevel0[unit0]);
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LabelTickTime(tick,ticks.Labels,fmt0);
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ticks.AddTick(tick);
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// if (first) {
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// ImPlotTick tick_maj(t12,true,true);
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// tick_maj.Level = 1;
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// LabelTickTime(tick_maj,ticks.Labels,TimeFormatLevel1[unit1]);
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// ticks.AddTick(tick_maj);
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// first = false;
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// }
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}
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t12 = AddTime(t12, unit0, step);
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}
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@ -170,28 +170,31 @@ enum ImPlotScale_ {
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ImPlotScale_LogLog // log x, log y
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};
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enum ImPlotTimeUnit_ { // primary
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ImPlotTimeUnit_Us, // microsecond :29.428552
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ImPlotTimeUnit_Ms, // millisecond :29.428
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ImPlotTimeUnit_S, // second :29
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ImPlotTimeUnit_Min, // minute 7:21pm
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ImPlotTimeUnit_Hr, // hour 7pm
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ImPlotTimeUnit_Day, // day 10/3
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ImPlotTimeUnit_Mo, // month Oct
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ImPlotTimeUnit_Yr, // year 1991
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enum ImPlotTimeUnit_ {
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ImPlotTimeUnit_Us, // microsecond
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ImPlotTimeUnit_Ms, // millisecond
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ImPlotTimeUnit_S, // second
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ImPlotTimeUnit_Min, // minute
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ImPlotTimeUnit_Hr, // hour
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ImPlotTimeUnit_Day, // day
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ImPlotTimeUnit_Mo, // month
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ImPlotTimeUnit_Yr, // year
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ImPlotTimeUnit_COUNT
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};
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enum ImPlotTimeFmt_ {
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ImPlotTimeFmt_Us, // .428552
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ImPlotTimeFmt_SUs, // :29.428552
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ImPlotTimeFmt_SMs, // :29.428
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ImPlotTimeFmt_S, // :29
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ImPlotTimeFmt_HrMinS, // 7:21:29pm
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ImPlotTimeFmt_HrMin, // 7:21pm
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ImPlotTimeFmt_Hr, // 7pm
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ImPlotTimeFmt_DayMo, // 10/3
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ImPlotTimeFmt_DayMoHrMin, // 10/3 7:21pm
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ImPlotTimeFmt_DayMoYr, // 10/3/1991
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ImPlotTimeFmt_DayMoYrHrMin, // 10/3/1991 7:21pm
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ImPlotTimeFmt_DayMoYr, // 10/3/91
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ImPlotTimeFmt_DayMoYrHrMin, // 10/3/91 7:21pm
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ImPlotTimeFmt_DayMoYrHrMinS, // 10/3/91 7:21:29pm
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ImPlotTimeFmt_Mo, // Oct
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ImPlotTimeFmt_Yr // 1991
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};
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@ -570,6 +573,17 @@ struct ImPlotAxisScale
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}
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};
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/// Two part time struct.
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struct ImPlotTime {
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time_t S;
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time_t Us;
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ImPlotTime(time_t s, time_t us) { S = s; Us = us;}
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ImPlotTime(double t) {
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S = (time_t)t;
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Us = (int)(t * 1000000 - floor(t) * 1000000);
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}
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};
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//-----------------------------------------------------------------------------
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// [SECTION] Internal API
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// No guarantee of forward compatibility here!
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@ -771,7 +785,7 @@ int GetYear(double t);
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double MakeYear(int year);
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// Formates a timestamp t into a buffer according to fmt.
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void FormatTime(double t, char* buffer, int size, ImPlotTimeFmt fmt);
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int FormatTime(double t, char* buffer, int size, ImPlotTimeFmt fmt);
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// Prints a timestamp to console
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void PrintTime(double t, ImPlotTimeFmt fmt);
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