I have a need to generate images (graphs created with Perl modules like GDGraph). I don't want to store the images anywhere, I want the code to generate and send the images. I've done this many times in CGI, just by sending out the right header for "Content-type: image/gif" or whatever type of image it is and then outputing the graphic data. Should I use the meta method for setting the http header, or $http_headers_out? Do I need to set optEarlyHttpHeader? What file handle can I print or write the graphic data out to, OUT? I've read all of the docs on the EmbPerl web site, but working with graphics really isn't covered directly at all. Any advice, or ideally sample code would be greatly appreciated.
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