public void Populate(IEnumerable <object> objects)
{
if (Disposing || IsDisposed)
{
return;
}
if (ObjectValueGetter == null)
{
throw new InvalidOperationException(nameof(ObjectValueGetter) + " can't be null");
}
if (ObjectNameGetter == null)
{
throw new InvalidOperationException(nameof(ObjectNameGetter) + " can't be null");
}
var elements = objects.Select(x =>
{
var element = new Element <object>
{
Object = x,
Text = ObjectNameGetter(x),
Value = ObjectValueGetter(x)
};
if (ObjectColorGetter != null)
{
element.Color = ObjectColorGetter.Invoke(x);
if (element.Color.IsEmpty)
{
element.Color = BackColor;
}
}
else
{
element.Color = BackColor;
}
return(element);
}).Where(x => x.Value > 0.0001).OrderByDescending(x => x.Value).ToList();
if (UseLogValueScaling)
{
ScaleValuesLog(elements);
}
_currentSlice = SliceMaker.GetSlice(elements, 1, MinSliceRatio);
foreach (var c in elements.Select(x => x.Color).Distinct())
{
_brushCache[c] = new SolidBrush(c);
}
UpdateRectangles();
Refresh();
}
private void UpdateRectangles()
{
if (Disposing || IsDisposed)
{
return;
}
_rectangles = SliceMaker.GetRectangles(_currentSlice, ClientSize.Width, ClientSize.Height).ToList();
foreach (var r in _rectangles)
{
CalculatePaintRect(r);
}
}