internal bool ComputeScale(SimpleLineChart trigger)
{
bool changed = false;
ChartScaleInfo combined = null;
int index = this.scaleIndex;
// make sure they are all up to date.
foreach (var ptr in FindCharts())
{
ChartScaleInfo info = ptr.ComputeScaleSelf(index);
if (combined == null)
{
combined = info;
}
else
{
combined.Combine(info);
}
}
foreach (var ptr in FindCharts())
{
if (ptr.ApplyScale(combined))
{
if (ptr != trigger)
{
ptr.DelayedUpdate();
}
changed = true;
}
}
return(changed);
}
/// <summary>
/// Returns true if the scale just changed.
/// </summary>
bool ComputeScale()
{
bool changed = false;
if (this.Next != null)
{
ChartScaleInfo combined = null;
int index = this.scaleIndex;
// make sure they are all up to date.
foreach (var ptr in GroupItems)
{
ChartScaleInfo info = ptr.ComputeScaleSelf(index);
if (combined == null)
{
combined = info;
}
else
{
combined.Combine(info);
}
}
//Debug.WriteLine("Combined scale: minx={0}, maxx={1}, miny={2}, maxy={3}", combined.minX, combined.maxX, combined.minY, combined.maxY);
foreach (var ptr in GroupItems)
{
if (ptr.ApplyScale(combined))
{
if (ptr != this)
{
ptr.DelayedUpdate();
}
changed = true;
}
}
}
else
{
ChartScaleInfo info = ComputeScaleSelf(this.scaleIndex);
changed = ApplyScale(info);
}
return(changed);
}