[tex-live] possible problem with thumbpdf

[Heiko Oberdiek]

On Wed, Jul 07, 2010 at 09:51:21PM +0200, Reinhard Kotucha wrote:

> On 7 July 2010 Heiko Oberdiek wrote:
> 
>  > On Wed, Jul 07, 2010 at 03:09:54PM +0100, Philip Taylor (Webmaster, Ret'd) wrote:
>  > 
>  > > Heiko Oberdiek wrote:
>  > > 
>  > > >Then important objects for the perl script thumbpdf are hidden,
>  > > >because compressed. In short, thumbpdf doesn't support compressed
>  > > >objects. Thus either use \pdfobjcompresslevel=0 or don't use
>  > > >thumbpdf. I don't have plans to extend thumbpdf, because supporting
>  > > >compressed objects would require a complete rewrite of thumbpdf using
>  > > >a PDF library. And I doubt the usefulness of thumbpdf nowadays, when
>  > > >AR versions generate thumbnails on the fly very fast.
>  > > 
>  > > Could "thumbpdf" itself perhaps specify "\pdfobjcompresslevel = 0\relax" ?
>  > 
>  > There are two PDF files that needs parsing by thumbpdf:
>  > * the original PDF file to get the MediaBox.
>  > * an internal PDF file with the thumbnail data.
>  > 
>  > The second case is fixed in version thumbpdf 3.11.
>  > The first case can't (at least, thumbpdf.sty generates a warning),
>  > but this case is less problematic, because thumbpdf uses a default
>  > resolution in case of an unknown MediaBox.
> 
> A quite convenient way to get the MediaBox is to use pdfinfo,

Unhappily it doesn't support pages with different MediaBox settings.

Yours sincerely
  Heiko Oberdiek