Xy-graph - data visualization fxruby desktop application

I am working on a local (no internet access) win7 desktop application
using fxruby and want to add a xy chart.

Is there a simple gem of visualize data in an xy plot in fxruby for
desktop application?

Workaround would be also to save the graph as e.g. png and load it.

What is the simplest way to implement?

Do I have to go back in time to watch comedy from the 60ties?

Hello. I don’t know if exists that gem. What you can do is build
something manually with FXPackers, release your mind. ^^