*/
protected Dimension computeSize (float hintX, float hintY) {
LayoutData ldata = _ldata = createLayoutData(hintX, hintY);
Insets insets = ldata.bg.insets;
Dimension size = ldata.computeSize(hintX - insets.width(), hintY - insets.height());
return insets.addTo(size);
}
/**
* Handles common element layout (background), then calls {@link LayoutData#layout} to do the
* actual layout.