TextLayout should deal more gracefully with zero length strings. Currently the exception listed below is the one that is thrown.

new TextLayout("", f, new FontRenderContext(null, false, false));

> Exception in thread "main" java.lang.IllegalArgumentException: Zero length
> string passed to TextLayout constructor.
> at java.lang.Throwable.<init>(Compiled Code)
> at java.lang.Exception.<init>(Compiled Code)
> at java.lang.RuntimeException.<init>(Compiled Code)
> at java.lang.IllegalArgumentException.<init>(Compiled Code)
> at java.awt.font.TextLayout.<init>(Compiled Code)
> at test.main(Compiled Code)