Thank you for your report. la, 2006-01-14 kello 15:17 +0100, Peter Griffin kirjoitti: > Package: cupsys > Version: 1.1.23-12 > Severity: important > > When printing PDF files with transparent object, the transparency is > broken due to the pdftops conversion in the cups printing process. > > To add some detail, I am printing from a Mac OS X client to a Debian > Cups-server via the automatic printer detection. The PDF File seems to > be passed to the cups-server, which converts the PDF-file to PS by > utilizing xdpf-utils's pdftops. Although, xdpf is able to process > transparency since version 3.01 and does display the pdf file > correctly, pdftops fails. > > I wasn't quite sure to where to report this bug (xpf-utils?). But, I > decided to send it to cupsys because the error affects my cups > printserver. This is a known issue with xpdf (and its derivatives such as gpdf). IIRC recent libpoppler (the library forked off xpdf) recently fixed this. > By the way, pdf2ps and acroread -toPostScript process correct PS-files > retaining the transparency. We cannot use acroread because it's non-free and architecture-specific. However, pdf2ps comes from gs-common, which is free, so it might work. It should also be noted that Ubuntu has switched to poppler-utils (not yet available in Debian) for CUPS, which could be another solution. > Files presenting the problem can be found here: > http://esme.homelinux.org/files/cups-transparency/ Noted. -- Martin-Éric Racine http://q-funk.iki.fi
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