2015年12月16日水曜日 1時43分03秒 UTC+9 Alejandro López: > I want to know how to put a background image in a viewport
In graphic use, I recommend 2htdp/image library. If you need to treat .bmp or .png so on, you can paste the file images into your code. (Dr. Racket's menubar, select [Insert] - [Insert Image...]) -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.