public void Update(float?val, SimpleGraph other = null, float?otherVal = null)
{
if (!val.HasValue)
{
return;
}
_history.RemoveAt(0);
_history.Add(val.Value);
if (AutoScale(other, otherVal))
{
UpdateAxis();
UpdateGridLines();
}
_figure.Segments.Clear();
UpdatePath();
}
private bool AutoScale(SimpleGraph other, float?otherVal)
{
if (Primary != null)
{
Max = Primary.Max;
Min = Primary.Min;
return(false);
}
if (NoScale)
{
return(false);
}
var historyWithValues = _history.Where(h => h >= 0).ToList();
if (historyWithValues.Count == 0)
{
return(false);
}
var changed = false;
var histMax = _history.Where(h => h >= 0).Max();
if (other != null)
{
var otherHistMax = other._history.Where(h => h >= 0).DefaultIfEmpty(0).Max();
if (otherHistMax > histMax)
{
histMax = otherHistMax;
}
if (otherVal.HasValue && otherVal.Value > histMax)
{
histMax = otherVal.Value;
}
}
var histMin = _history.Where(h => h >= 0).Min();
while (histMax > Max)
{
changed = true;
Max += 10;
}
while (histMax < Max - 10 && Max > _defaultMax)
{
changed = true;
Max -= 10;
if (Max < _defaultMax)
{
Max = _defaultMax;
break;
}
}
while (histMin < Min)
{
changed = true;
Min -= 10;
}
while (histMin > Min + 10 && Min < _defaultMin)
{
changed = true;
Min += 10;
if (Min > _defaultMin)
{
Min = _defaultMin;
break;
}
}
return(changed);
}