public static void installHiDPIRepaintManager() {
		if( !SystemInfo.isJava_9_orLater || !SystemInfo.isWindows )
			return;

		RepaintManager manager = RepaintManager.currentManager( (Component) null );
		if( manager.getClass() == RepaintManager.class )
			RepaintManager.setCurrentManager( new HiDPIRepaintManager() );
	}
Installs a {@link HiDPIRepaintManager} on Windows when running in Java 9+,
but only if default repaint manager is currently installed.
<p>
Invoke once on application startup.
Compatible with all/other LaFs.

@since 3.5
flatlaf-core/src/main/java/com/formdev/flatlaf/util/HiDPIUtils.java