protected virtual void CalculateChild(ILayout childLayout, float x, float y, float contentWidth, float contentHeight, float absoluteX, float absoluteY)
{
// check if item has a percentual width
var calcedWidth = childLayout.HasPercentualWidth ? contentWidth * childLayout.PercentualWidth : childLayout.GetCalculatedWidth();
// check if item hat a percentual height
var calcedHeight = childLayout.HasPercentualHeight ? contentHeight * childLayout.PercentualHeight : childLayout.GetCalculatedHeight();
var processingData = childLayout.GetProcessingData();
processingData.SetAbsoluteGeometry(absoluteX, absoluteY, calcedWidth, calcedHeight);
processingData.SetDrawingGeometry(x, y, calcedWidth, calcedHeight);
processingData.SetClipRect(absoluteX, absoluteY, calcedWidth, calcedHeight);
if (childLayout is IContainerLayout)
{
((IContainerLayout)childLayout).CalculateChildLayouts(x, y, calcedWidth, calcedHeight, absoluteX, absoluteY);
}
}