Bug 1031203

Looks like the old landscape printing bug is back… :-(

I think there have been some changes recently in how CUPS handles the landscape vs. portrait options on the lpr command line, it used to be that "landscape" always meant to rotate the input, now I think it tries being smarter and outsmarts Okular. I'm having a look at this.

See also bug #768811 and http://pkgs.fedoraproject.org/cgit/cups-filters.git/tree/cups-filters-pdf-landscape.patch?h=f19

Adding the CUPS maintainer to CC for a comment.

And for "the old landscape printing bug" (in Okular) I was referring to, see:
https://bugs.kde.org/show_bug.cgi?id=181290
https://bugzilla.redhat.com/show_bug.cgi?id=509645

Thank you Kevin

Could you please confirm the versions of cups and cups-filters you have?

rpm -q cups cups-filters

The PDF workflow is relatively new and there are still orientation-related bugs remaining even after having fixed bug #768811, for example this one:
https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1243484

To analyse this particular problem with okular, it would be useful to be able to capture the document that okular submitted for printing, as well as information about how it submitted it.

To do this, enable job file preservation like this (as root):

cupsctl PreserveJobFiles=Yes

Print the document again. Now you need to find the two files from /var/spool/cups that correspond to that print job. To find out which ones they are, run these commands:

ls -1 /var/spool/cups/c* | sort | tail -n1
ls -1 /var/spool/cups/d* | sort | tail -n1

Please attach those two files to this bug report.

(Now you can turn off job file preservation with 'cupsctl PreserveJobFiles=No')

(In reply to Tim Waugh from comment #5)
> Could you please confirm the versions of cups and cups-filters you have?
> 
> rpm -q cups cups-filters
cups-1.6.4-2.fc19.x86_64
cups-filters-1.0.40-4.fc19.x86_64

Created attachment 830741 [details]
files from /var/spool/cups/

Done in landscape mode

So it looks like Okular is submitting a job in portrait format, containing the landscape format pages inside each portrait page. Like this, where XXXXX is the actual presentation:

+-----------+
|           |
|           |
|  +-----+  |
|  |XXXXX|  |
|  +-----+  |
|           |
|           |
+-----------+

I guess that's not what you want, so it looks like an Okular bug to me.

How Okular prints PDF files is that it has Poppler output PostScript for the selected pages, then this module:
https://projects.kde.org/projects/kde/kdegraphics/okular/repository/entry/core/fileprinter.cpp?rev=KDE%2F4.11
starts lpr on the resulting PostScript.

The orientation part is this:
https://projects.kde.org/projects/kde/kdegraphics/okular/repository/entry/core/fileprinter.cpp?rev=KDE%2F4.11#L598

In the past, CUPS interpreted -o portrait as "do not rotate the document" and -o landscape as "do rotate the document". If the interpretation of those options changed, Okular needs to be adapted.

(In fact, I am the one to blame for that code in Okular.)

Regardless of how CUPS rotates or doesn't rotate the document, it has been generated incorrectly: a landscape 4:3 inside a portrait paper size. No amount of rotation will fix that.

Yeah, that's bizarre indeed. I wonder whether this worked in the past, and if yes, how the heck it worked.

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