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List:       kde-devel
Subject:    Re: Dolphin PDF preview - strange behaviour
From:       Frank Reininghaus <frank78ac () googlemail ! com>
Date:       2014-06-24 12:10:36
Message-ID: CAFoZWWi+4mSOjXaQPRTToSsdP-4nkS4aHub6BpdHt_RD_D6gWw () mail ! gmail ! com
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Hi,

2014-06-24 13:42 GMT+02:00 Leonardo Giordani:
> Hi all,
>
> I get a very strange behaviour in Dolphin when dealing some PDF files (I do
> not yet know why just some of them).
>
> The preview shows an image that is larger than the actual page, with a big
> white area.
>
> I tried to split the PDF (pdftk burst) and the thumbnails of some of them
> have the same problem.
>
> When opening the PDF with Okular, Gimp or other programs everything works
> perfectly.
>
> Here are 2 examples of this behaviour. In the first one the image is also
> surrounded by a white border which is invisible in Gimp or Okular.
>
> https://drive.google.com/folderview?id=0B8dlXBUSEZtPY19CSTBvNW9QTDA&usp=sharing
>
> Anyone understands why Dolphin produces a wrong thumbnail?
> What does Dolphin use to generate the previews? Ghostscript? What parameters
> does it use?

I think that KDE applications use the "ps" subdirectory of this
repository to generate PDF previews:

http://quickgit.kde.org/?p=kdegraphics-thumbnailers.git

I'm not familiar with this thumbnailer, but I hope that all required
information can be found in the source code.

Cheers,
Frank

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