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On Wed, 16 Aug 2000, Ron Peterson wrote: >I'm trying to generate some PNG's on the fly, and include them in some >web pages. The C program I wrote to create them dumps the PNG data >stream to stdout. I can dump the output to a file and it looks perfect. > >I don't want to include a PNG _file_ in an <img> tag, though, because >some stupid browsers cache it, no matter how they're configured. > >So, no problem, I think. Rather than point to a file w/ my <img> tag, >I'll point to the program. Like <img src="/cgi-bin/tile" alt="blah >blah" width="512" height="512" border=0>. Doesn't work. I've checked >that ownership and permissions of program are o.k. to be run by Apache. > >Does /cgi-bin/tile need to output something differently than if it were >simply dumping a PNG to a file? > >I'm confused. I thought this kind of thing was supposed to work. No? >If this is possible, let me know, and I'll keep hacking. As long as I >know I'm not wasting my time... Yes, it works. For example, I was working on this today http://cartalk.cars.com/Tools/survey-results-rc-top-bot.pl and the .gifs are generated on the fly by Perl scripts (right-click on image, select properties to see). I wonder if you're forgetting to put a 'image/gif' header? :) - Subcription/unsubscription/info requests: send e-mail with "subscribe", "unsubscribe", or "info" on the first line of the message body to discuss-request at blu.org (Subject line is ignored).
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