[Image-SIG] StringIO seems to garble images in cgi
Georg Mischler
schorsch@schorsch.com
Sat, 7 Dec 2002 13:48:59 -0500 (EST)
Oops, that was meant to go to the list...
---------- Forwarded message ----------
Fredrik Lundh wrote:
> Doug.Shawhan@gecits.ge.com wrote:
>
> > The following almost works, unfortunately the image comes out garbled. I
> > have tried a variety of images in case they are somehow corrupt- no dice. Am
> > I missing a step?
>
> try saving an image to disk from the browser, and also from within
> the CGI, and compare the files. if the sizes differ, chances are that
> your server is ignoring the "-u" option on the first line.
>
> </F>
>
> > [...]
> >
> > try:
> > print 'Content-Type: image/jpeg\n'
Another possibility is that the missing second '\n' here
causes the server to send garbage. You need an empty line
between the HTTP headers and the data.
-schorsch
--
Georg Mischler -- simulations developer -- schorsch at schorsch.com
+schorsch.com+ -- lighting design tools -- http://www.schorsch.com/