CUPS determine page orientation
Helge Blischke
h.blischke at acm.org
Sun Feb 14 04:08:16 PST 2010
kaede wrote:
> Hi all,
>
> I am trying to write a pre-filter to insert heading & footing to the
> postscript file.
>
> How do I determine whether the page is landscape or portrait?
>
> Thanks,
> Kaedekai
Run it through a PostScript interpreter (e. g. Ghostscript) prepended with a
PostScript routine which interprets the CTM and how it changes to determine
the orientation.
Note: the "%%Orientation: ..." and related comments seem not always to be
reliable.
Helge
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