https://bugs.freedesktop.org/show_bug.cgi?id=44135

--- Comment #17 from jwoithe <[email protected]> 2012-06-09 00:48:31 PDT ---
I think this issue affects more than just draw.  I can reproduce the same
effect in writer 3.5.1, 3.5.3 and 3.5.4 (and there's a chance that 3.4.3 was
similarly affected but I can't conveniently confirm that right now):

1) In a new text document, create a frame

2) Set the background of the frame to a "Color" and change the transparency to
50%

3) Attempt to print the document.  The frame background will be gray.

4) Export to PDF: when using xpdf the frame background will still be gray.

5) Further experimentation seems to indicate that the gray being printed is the
alpha channel (50% transparency gives a 50% gray, 25% transparency gives 25%
gray).

To summarise: the bug affects more than just draw, and printing is affected in
the same way that "export to PDF" is.

This is running under Slackware 13.37 with CUPS 1.4.6, printing to an HP 2605DN
postscript printer.  Since libreoffice printing now uses the PDF export engine
(AFAIK) it's probably not surprising that printing and PDF files show the same
problem.  If there are in fact PDF viewers which render the PDF correctly (as
indicated in comment #15), then CUPS (version 1.4.6 at least) should be added
to the list of PDF renderers which seemingly get things wrong.  Furthermore,
xpdf also has a problem with the resulting PDF file and should be added to the
"gets it wrong" list.

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