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

[William Bader]

Hi Stefan,

I am a poppler user, not a popper maintainer. I can't push changes. Sorry.

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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