[poppler] Changed renderings due to Annot/Form changes

Albert Astals Cid aacid at kde.org
Fri Mar 25 13:32:58 PDT 2011


A Dijous, 24 de març de 2011, carlosgc va escriure:
> Excerpts from Albert Astals Cid's message of vie mar 11 09:31:51 +0100 2011:
> > Hi Carlos, the following files suffer from rendering changes due to
> > Annot/Form changes, sometimes is just that the "tick" mark moved up a
> > bit, and sometimes a "radio button" drawing got replaced by a "cross".
> > 
> > As far as I understood you said there should be no rendering difference
> > at all so i'm sending the whole list so that you can have a look and fix
> > the regressions.
> > 
> >  * https://bugs.kde.org/attachment.cgi?id=26497
> 
> If the problem here is the check buttons, it's not a regression, but a
> feature :-) we are now correctly using the appearance stream of the
> annotation.

The rendering of the check buttons is the same, just that it seems to have 
moved a few pixels, if you use pdftoppm and then
convert $newfile $oldfile -compose difference -composite -colorspace gray 
miff:- | display
you'll see it, i just don't understand why it should move a bit

> 
> >  * Document not in the internet (will mail to you)
> >  * http://launchpadlibrarian.net/11456651/f1040nre-2007.pdf
> 
> Ditto.
> 
> >  * Document not in the internet (will mail to you)
> >  * http://launchpadlibrarian.net/14733056/Absentee%20Ballot.pdf
> 
> Ditto.
> 
> >  * https://bugs.freedesktop.org/attachment.cgi?id=29612
> 
> Can I see the differences? or did you remove the results already?

As in the other the position of the tick seems to have moved (use the same 
trick to see the difference)

> 
> >  * http://www.tcpdf.org/examples/example_054.pdf
> 
> This doesn't look correct compared to acroread, I'll look at it in
> detail.
> 
> >  * http://librarian.launchpad.net/1607136/evince.pdf
> 
> Ditto. (not a bug)
> 
> >  * Document not in the internet (will mail to you)
> 
> You have sent 3 documents to me, one twice (I guess by mistake) that
> seems to be the same document than example_054.pdf, and the other one
> looks correct.

You can just the pdftoppm with new and old code and convert to see the 
diffences.

Albert

> 
> > Albert
> 
> Thank you very much for running the test suite, I'll look at the
> two documents that are incorrectly rendered in detail.
> 
> Regards,


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