On Feb 19, 2013, at 6:00 AM, Daniel Prager wrote: > I've written an interactive turtle graphics package, complete with > animated turtle imagery, aimed at Dr Racket using parents with > elementary-school aged kids.
Thanks, that's great. In what way did you find the existing one lacking? > 1. Code organization: As Sam said. > 2. How do I turn an image built up from (empty-scene ...) into a bitmap% ? I > want to use (write-animated-gif ...) to make a few animated gifs to spruce up > my documentation. #lang racket/gui (require 2htdp/image mrlib/gif) (define width 100) (define height 80) (define image (overlay (rectangle (- width 10) (- height 10) 'solid 'red) (rectangle width height 'solid 'blue))) image (define bm (make-object bitmap% width height)) (define dc (make-object bitmap-dc% bm)) (send dc clear) (send image draw dc 0 0 0 0 width height 0 0 #f) (define file "/tmp/foo.gif") (when (file-exists? file) (delete-file file)) (write-animated-gif (list bm bm) 5 file) > Finally, is this the kind of thing that would be worth putting up on PLaneT > straight-away, or better to mature it a bit on github? Consider keeping it on github and turning it into a Planet2 package (beta) instead of Planet1. -- Matthias ____________________ Racket Users list: http://lists.racket-lang.org/users
