Re: [SLUG] Powerpoint image extraction

From: Chuck Hast (wchast@gmail.com)
Date: Fri Jul 15 2005 - 16:44:24 EDT


On 7/15/05, Eben King <eben1@tampabay.rr.com> wrote:
> On Fri, 15 Jul 2005, Chuck Hast wrote:
>
> > On 7/15/05, Eben King <eben1@tampabay.rr.com> wrote:
> > > On Fri, 15 Jul 2005, Chuck Hast wrote:
> > >
> > > > On 7/15/05, Eben King <eben1@tampabay.rr.com> wrote:
> > > > > So a correspondent sent me some images, encapsulated in a .PPT file.
> > > > > (Naked JPEGs would have worked fine, but nooooo...) Is there any way, using
> > > > > od, grep, dd, or maybe some tool I don't have yet, to get them out? I can
> > > > > view it in Windows (I suppose Windows-in-VMware too) using MS*spit*'s free
> > > > > "Powerpoint Viewer", but I can't do squat with it.
> > > > >
> > > > Did you try Open Office? I use it to open company PPT files all of the time,
> > > > it should allow you to pull those images out.
> > >
> > > Cool deal. It opened right up in OO 1.1.1. Is there a quick & dirty way to
> > > save all images to separate files? (I would cull them later.) I've never
> > > used OO or any presentation SW before.
> >
> > I do not have it in front of of me but I think there is a place in
> > there to "save
> > image" or extract image...
>
> OK, so what I did was:
>
> for each image in the presentation:
> select it
> File->Export
> select location (it doesn't store this? *%$@)
> change type to "BMP" (this either? Double *%$@)
> rename
> OK
>
> for each image I exported:
> find width to remove (xv, crop, magnify, count)
> bmptoppm $image (| pnmcut <parameters> if necessary) | cjpeg <parameters> > destination.jpg
>
> PITA; JPEGs in the first place would have been much easier.

Yes, sounds lke they need to do some major work on it.

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