Printing PS level 3 to a PS level 2 printer
Ken Herron
kherron at fmailbox.com
Thu Dec 20 16:48:19 PST 2007
This came up in the context of a mozilla bug report
(https://bugzilla.mozilla.org/show_bug.cgi?id=406376). When an
application is printing through CUPS to a printer that supports
Postscript but is limited to level 2, is it the application's
responsibility to avoid generating level 3 PostScript? Or is there
something in the typical CUPS-filter-printer pipeline that would convert
level 3 PS to something the printer can handle?
Somebody noted in the bug that there's a ppd interface function to
return the PS level. But if the app is printing by piping into lpr or
similar, then this information isn't available. I've also been working
with the GTK printing API, and it doesn't appear to expose the printer's
PostScript level either.
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