[poppler] Retrieve all objects from a PDF file

[Nedim Srndic]

On Fri, 2011-11-04 at 13:15 +0100, Albert Astals Cid wrote:
> A Divendres, 4 de novembre de 2011, Nedim Srndic vàreu escriure:
> > What is the preferred way to retrieve an indirect object from an object
> > stream? 
> 
> ObjectStream::getObject ?

But the ObjectStream class is not publicly accessible. 

If I know that there is an object with number X in an Object Stream, and
the XRef returns null when I query for it, is that a bug? If not, how
can I get it?

Greetings,
Nedim

> 
> > Is it possible that I have found a bug? This is really important
> > for me.
> 
> Albert
> 
> > 
> > Nedim
> > 
> > On Wed, 2011-11-02 at 14:09 +0100, Nedim Srndic wrote:
> > > I tried out Poppler 13 from Ubuntu 11.10 and I get the same results. As
> > > far as I understand, if I look for an object in XRef using fetch(), and
> > > that object is in an object stream, the XRef then uncompresses the
> > > object and returns it to me, so that I don't even know that it was
> > > compressed in the first place? If things don't work this way, what
> > > approach should I take?
> > > 
> > > That being said, I tried this approach with both Poppler 7 and 13 and
> > > two PDF files with object streams. When I do an XRef->fetch() with
> > > generation number 0 and object number of an object in the object stream,
> > > I get a null object for all objects except the first one that is packed
> > > in the object stream. The first one isn't extracted fully. Is this a
> > > known issue?
> > > 
> > > Nedim
> > > 
> > > On Mon, 2011-10-31 at 11:12 -0700, Josh Richardson wrote:
> > > > What kinds of objects are you interested in?  I have a version of
> > > > pdftohtml which I believe is not yet merged into the master repo
> > > > that
> > > > extracts images and fonts.
> > > > 
> > > > --josh
> > > > 
> > > > On 10/31/11 9:16 AM, "Nedim Srndic" <nedim.sh at gmail.com> wrote:
> > > > >Dear list,
> > > > >
> > > > >I am using the Poppler library (in the src/poppler folder, no
> > > > >bindings, version 7 from the Ubuntu 10.10 repos) and would like
> > > > >to retrieve all objects from a PDF file. Currently, I am running
> > > > >a loop on XRef and getting all the non-null objects from it, but
> > > > >it doesn't seem to retrieve objects from object streams. What
> > > > >solution would you propose for this problem?
> > > > >
> > > > >Thanks,
> > > > >Nedim Srndic
> > > > >
> > > > >_______________________________________________
> > > > >poppler mailing list
> > > > >poppler at lists.freedesktop.org
> > > > >http://lists.freedesktop.org/mailman/listinfo/poppler
> > 
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