[Poppler-bugs] [Bug 12769] [gutsy] [regression] Evince has very bad quality when printing pdf files.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Oct 12 21:59:44 PDT 2007


http://bugs.freedesktop.org/show_bug.cgi?id=12769





------- Comment #2 from jeff at infidigm.net  2007-10-12 22:02 PST -------
I don't think this is a poppler bug...
My guess is that we are hitting the image fallback of the pdf surface. I'd
expect that images produced should be higher resolution. i.e. Someone should be
calling cairo_surface_set_fallback_resolution. Though, I'm not sure who should
be doing this. I'd expect the gtk printing infrastructure to do it, but I could
be wrong.

It looks like there is also a problem with how image masks are scaled. We do
the scaling ourselves in poppler and I believe that will cause unnecessarily
low resolution results.

Also of note, cairo-git does fine grained fallbacks and so the problem is not
as noticeable.


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