Yes, Quilt-Pro does. Yes, that's right. But we didn't find these features that useful. The problem is there's no way to scale the prints or get the color perfectly accurate on the computer screen. You can do Celtic designs very easily in drawing programs.
Celtic designs are easy to create in a drawing program.
In fact, there's a cool Web site that shows you how to draw Celtic designs in drawing programs. I am a little confused here. Depends on what you want to use the program for. We use both. My preference is a drawing program, but quilt programs are lots of fun.