@Override
		public float getValue( Component c ) {
			return ((AbstractButton)c).isSelected() ? 1 : 0;
		}
Experimental radio button icon that:
- fades icon color from off to on color
- animates size of center dot from zero to full size
flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatAnimatedIconTest.java