private Point scaleDown( int x, int y ) {
			GraphicsConfiguration gc = window.getGraphicsConfiguration();
			if( gc == null )
				return new Point( x, y );

			AffineTransform t = gc.getDefaultTransform();
			return new Point( clipRound( x / t.getScaleX() ), clipRound( y / t.getScaleY() ) );
		}
Scales down in the same way as AWT.
See AwtWin32GraphicsDevice::ScaleDownX() and ::ScaleDownY()
flatlaf-natives/flatlaf-natives-jna/src/main/java/com/formdev/flatlaf/natives/jna/windows/FlatWindowsNativeWindowBorder.java