@Override
		public void rotate(double theta, double x, double y) {
			throw new UnsupportedOperationException();
		}
An adapter to turn a Graphics into a Graphics2D.  This implementation satisfies the base 
methods needed for the test.  So, many operations are stubbed or are exceptional.
Ghidra/Framework/Docking/src/test.slow/java/docking/widgets/textfield/HexOrDecimalInputTest.java