From: Hidetoshi NAGAI <nagai@...>
Date: 2005-06-01T14:40:17+09:00
Subject: Re: tk image problem

From: Charles Hixson <charleshixsn@earthlink.net>
Subject: tk image problem
Date: Wed, 1 Jun 2005 10:41:50 +0900
Message-ID: <429D11DA.4010906@earthlink.net>
> When I attempt to read in xpm files created by the Gimp, I get 
> "/usr/lib/ruby/1.8/tk.rb:2020:in `__invoke': couldn't recognize data in 
> image file " errors.  If it's a gif file, the program works without at 
> hitch.

man n photo ;-)
Standard Tk library supports PPM/PGM/GIF on photo images.
If you want to treat XPM on Ruby/Tk, please use Tcl/Tk's Img extension. 
It adds supports for BMP/JPEG/PNG/XBM/XPM and so on.
-- 
Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)