[poppler] Printing of certain PDF files does not work with "fit-to-page" because of wrong BoundingBox values in the PostScript

[Albert Astals Cid]

El Thursday 22 October 2015, a les 04:12:41, William Bader va escriure:
> Hi Stefan,
> 
> I am a poppler user, not a popper maintainer. I can't push changes. Sorry.

But you can review them. Pushing is very easy, it's the review part that is 
hard.

Cheers,
  Albert

> 
> Regards,
> William
> 
> From: stefan.brandner at gmx.at
> To: williambader at hotmail.com; poppler at lists.freedesktop.org
> Subject: Aw: RE: [poppler] Printing of certain PDF files does not work with
> "fit-to-page" because of wrong BoundingBox values in the PostScript Date:
> Thu, 22 Oct 2015 09:18:11 +0200
> 
> 
> This printing problem appear at pdf files which are coming from scanner.
> 
> Since years there are reports of this problem:
> 
> https://forum.kde.org/viewtopic.php?f=20&t=97572
> 
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=761487
> 
> https://bugs.kde.org/show_bug.cgi?id=338456
> 
> https://bugs.kde.org/show_bug.cgi?id=195719
> 
> 
> 
> 
> We now found the root cause and have a fix.
> 
> 
> 
> So if Albert has no time at all I wonder if you (William) can take over this
> solution and push it.
> 
> As Martin Pahl wrote he is willing to support and explain his code.
> 
> 
> 
> Regards
> 
> Stefan
> 
> 
> 
> 
> Gesendet: Mittwoch, 21. Oktober 2015 um 01:44 Uhr
> 
> Von: "William Bader" <williambader at hotmail.com>
> 
> An: "Stefan Brandner" <stefan.brandner at gmx.at>,
> "poppler at lists.freedesktop.org" <poppler at lists.freedesktop.org>
> 
> Betreff: RE: [poppler] Printing of certain PDF files does not work with
> "fit-to-page" because of wrong BoundingBox values in the PostScript
> 
> 
> 
> 
> The Adobe document  5001.DSC_Spec.pdf "PostScript Language Document
> Structuring Conventions Specification" Version 3.0, 25 September 1992, says
> on page 39 about the BoundingBox comment:
> 
> 
> "This comment specifies the bounding box that encloses all marks painted on
> all pages of a document. That is, it must be a “high water mark” in all
> directions for marks made on any page. The four arguments correspond to the
> lower left ( llx , lly ) and upper right corners ( urx , ury ) of the
> bounding box in the default user coordinate system (PostScript units)."
> 
> 
> 
> and gives an example where the BoundingBox is the smallest rectangle that
> covers the PageBoundingBoxes of the pages in the document.
> 
> 
> 
> If you are worried about breaking things that depend on the current behavior
> of pdftops, would it work to add a command line option?  pdftops already
> has -origpagesize and -nocrop options.
> 
> 
> 
> Regards,
> 
> William
> 
> 
> 
> To: poppler at lists.freedesktop.org
> 
> From: stefan.brandner at gmx.at
> 
> Date: Tue, 20 Oct 2015 19:02:03 +0200
> 
> Subject: [poppler] Printing of certain PDF files does not work with
> "fit-to-page" because of wrong BoundingBox values in the PostScript
> 
> 
> 
> I am using the patch now for several month and I can prove it is working
> fine. So if the code quality is ok for you Albert why not pushing it?
> 
> Regards
> Stefan Brandner
> 
> El Dijous, 7 de maig de 2015, a les 09:34:09, Martin Pahl va escriure:
> > Hi,
> > 
> > I sent patches to fix the bug:
> > 
> > https://bugs.freedesktop.org/show_bug.cgi?id=87161
> > 
> > Those patches were automatically sent to poppler-bugs mailing list. But as
> > I see no reaction to my patch submission (poppler-bugs seems to be a
> > mailinglist without human interaction)  I just want to ask, what is the
> > right way to submit patches.
> 
> It is.
> 
> What we need is more people with time to review patches.
> 
> Cheers,
>   Albert
> 
> > By the way this bug is really annoying as it makes all PDF viewers using
> > poppler useless for printing documents that do not have the page size of
> > the output device (e.g. printer). On the other hand acroread is not an
> > alternative anymore as Adobe has discontinued support for Linux.
> > 
> > Regards,
> > 
> > Martin Pahl
> 
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