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); } }