public static (double Value, TimeUnit Unit) ConvertTicksToTime(long ticks)
{
TimeUnit optimalTimeUnit = GetFloorTimeUnit(ticks);
double time = ticks / (double)optimalTimeUnit.GetTimeUnitDuration();
return(time, optimalTimeUnit);
}
private string GetDisplayedText(long labelTime, TimeUnit minTimeUnit)
{
if (labelTime == 0)
{
return("0");
}
TimeUnit bestTimeUnit, currentTimeUnit = minTimeUnit;
long bestTimeUnitDuration, currentDuration = minTimeUnit.GetTimeUnitDuration();
do
{
bestTimeUnitDuration = currentDuration;
bestTimeUnit = currentTimeUnit;
if (currentTimeUnit == TimeUnit.Hour)
{
break;
}
currentTimeUnit = (TimeUnit)((byte)currentTimeUnit << 1);
}while (labelTime % (currentDuration = currentTimeUnit.GetTimeUnitDuration()) == 0);
if (labelTime % currentDuration == 0)
{
return($"{labelTime / bestTimeUnitDuration}{bestTimeUnit.GetTimeUnitAsString()}");
}
return($"{labelTime % currentDuration / bestTimeUnitDuration}{bestTimeUnit.GetTimeUnitAsString()}");
}
private void ShowZoomInfo()
{
_timer.Stop();
TimeUnit timeUnit = TimeUnitHelpers.GetFloorTimeUnit(SegmentSize);
double segmentSizeInTimeUnits = SegmentSize / (double)timeUnit.GetTimeUnitDuration();
ZoomInfoLabel.Content = $"Segment size: {SegmentSize} ({segmentSizeInTimeUnits, 0:0.##}{timeUnit.GetTimeUnitAsString()})";
ZoomInfoPanel.Visibility = Visibility.Visible;
_timer.Start();
}
private double GetAverageDensity(uint start, ushort hintCount, TimeUnit densityHintType)
{
var duration = densityHintType.GetTimeUnitDuration();
IDirectedEnumerable <C5.KeyValuePair <uint, double> > range;
switch (densityHintType)
{
case TimeUnit.Second:
range = _seconds.RangeFromTo(start, start + hintCount);
break;
case TimeUnit.Minute:
range = _minutes.RangeFromTo(start, start + hintCount);
break;
default:
throw new ArgumentOutOfRangeException(nameof(densityHintType));
}
return(range.Take(hintCount).Sum(kvp => kvp.Value) / hintCount);
}
public static SegmentSize[] GetPreferredSegmentSizes(long startTime, long endTime, ushort segmentsCount)
{
if (endTime < startTime)
{
throw new ArgumentException(nameof(endTime));
}
var list = new List <SegmentSize>();
long maxSegmentSize = (long)Math.Ceiling((endTime - startTime) / (double)segmentsCount);
TimeUnit currentTimeUnit = TimeUnit.Microsecond;
long segmentSize = currentTimeUnit.GetTimeUnitDuration();
long previousSegmentSize = segmentSize;
list.Add(new SegmentSize(1));
while (segmentSize < maxSegmentSize)
{
previousSegmentSize = segmentSize;
list.Add(new SegmentSize(segmentSize));
switch (currentTimeUnit)
{
case TimeUnit.Second:
case TimeUnit.Minute:
if (segmentSize % (20 * currentTimeUnit.GetTimeUnitDuration()) == 0)
{
segmentSize = segmentSize / 20 * 30;
}
else if (GetFirstDigit(segmentSize) == 4)
{
segmentSize = segmentSize / 4 * 10;
}
else
{
segmentSize *= 2;
}
break;
default:
if (GetFirstDigit(segmentSize) == 4)
{
segmentSize = segmentSize / 4 * 10;
}
else
{
segmentSize *= 2;
}
break;
}
TimeUnit nextTimeUnit = (TimeUnit)((byte)currentTimeUnit << 1);
if (currentTimeUnit < TimeUnit.Hour && segmentSize >= nextTimeUnit.GetTimeUnitDuration())
{
currentTimeUnit = nextTimeUnit;
}
}
if (segmentSize > maxSegmentSize)
{
list.Add(new SegmentSize(previousSegmentSize, maxSegmentSize));
}
return(list.ToArray());
}
