CL-Canvas or yet another graphics library for Logo and Mandelbrot

From: Frank Buss (fb_at_frank-buss.de)
Date: 03/26/05 

Date: Sat, 26 Mar 2005 07:47:37 +0000 (UTC)

Sometimes I need a drawing area for visualizing some ideas from the REPL.
This is possible with CLIM and other libraries, but I wanted something more
easy and without any extra libraries. So I created CL-Canvas:

http://www.frank-buss.de/lisp/canvas.html

It can be enhanced to react on mouse and keyboard inputs and it should be
cleanuped, moved to a package and ported to other Lisp implementations and
operating systems, which is easy, except for the window callbacks: I've
tried it with UFFI, first, but it doesn't work, because you can't declare
Lisp callbacks in UFFI. Are there any plans to implement this? 

-- 
Frank Buß, fb@frank-buss.de
http://www.frank-buss.de, http://www.it4-systems.de

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