// Overridden for performance reasons. ---->
@Override
public boolean isOpaque() {
Color back = getBackground();
Component p = getParent();
if (Objects.nonNull(p)) {
p = p.getParent();
} // p should now be the JTable.
boolean colorMatch =
Objects.nonNull(back)
&& Objects.nonNull(p)
&& back.equals(p.getBackground())
&& p.isOpaque();
return !colorMatch && super.isOpaque();
}
public static Color getBackgroundColor(Component component) {
if (component == null) return null;
if (component instanceof BackgroundPainter) {
ComponentPainter painter = ((BackgroundPainter) component).getComponentPainter();
if (painter != null) {
Color color = painter.getColor(component);
if (color != null) return color;
}
}
return component.isOpaque()
? component.getBackground()
: getBackgroundColor(component.getParent());
}