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From "Andrew C. Oliver" <acoli...@apache.org>
Subject Re: Powerpoint conversion Help!!
Date Fri, 15 Aug 2003 23:24:19 GMT
On 8/15/03 7:11 PM, "Michael Zalewski" <zalewski@optonline.net> wrote:

> No answer so far on the list, so here is my comment.
> 
> I don't know for sure, but I think that there are several UserEditAtoms,
> unless the file has been completely saved, in which case there will only be
> one.
> 
> The UserEditAtoms, and the slides that were changed just get appended to the
> end of the stream. So I think the stream is like this:
> 
> SlidePersist Container for original document
> UserEditAtom
> SlidePersist Container for first revision
> UserEditAtom describing the first revision
> SlidePersist Container for second revision
> UserEditAtom...
> 
> I'm not entirely sure if the above explanation is correct.
> 
> Anyone else on this list delving into Power Point?
>

Nope we really need someone to kick off an effort in this area.
 
> -----Original Message-----
> From: Sukesh M Prabhakar [mailto:sprabhak@in.ibm.com]
> Sent: Thursday, August 14, 2003 8:13 AM
> To: poi-dev@jakarta.apache.org
> Subject: Powerpoint conversion Help!!
> 
> Hi,
> I am working on reading the binary stream of PowerPoint and converting to
> Java objects.Currently I am facing the problem of edited slides.
> 
> Observation:
> The Slide record contains a SlideAtom but it does not contain any unique
> slide ID/Number.
> The SlideListWithText record contains a unique slide ID by which I can
> recognise a particular slide.
> Once a powerpoint file is saved,any subsequent edits or changes to a slide
> creates a new slide record in the binary stream.
> 
> Problem:
> I need to co- relate the original slide with the edited slide. In the sense
> I need to know which slide has been edited so that I can make changes to
> the corresponding user object.
> The UserEditAtom contains the file position of the last edit and also the
> slide ID of the last edited slide.But what if more than one slide has been
> changed or edited.
> 
> Please mail me some ideas as how to overcome this problem.
> 
> 
> Thanks and Regards
> Sukesh
> 
> 
> 
> 
> --Life is not measured by the number of breaths we take,
> but by the moments that take our breath away.
> 
> 
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-- 
Andrew C. Oliver
http://www.superlinksoftware.com/poi.jsp
Custom enhancements and Commercial Implementation for Jakarta POI

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