I sent Scott a solution based of my jpeg thumbnail off-list for testing. I
suppose I should have kept it on list so that everyone was on the same
page. Live and learn! I can share my version if anyone is interested, but
it sounds like Terry's solution does the job.
On Tue, Nov 26, 2013 at 2:13 PM, Alan Orth <alan.o...@gmail.com> wrote:
> Terry,
>
> That's very interesting. I just tried your code and it works great, I
> compared it to the XPDF method as well as our the manual thumbnailing
> we've been using (embarassingly) for a few years[0]. The colors in the
> PDF I used as an example are a bit exaggerated, but it's not too bad and
> the thumbnail is much more crisp.
>
> BTW, I made a pull request[1] on your repo to add some installation /
> configuration instructions to your README.md.
>
> Cheers!
>
> Alan
>
> [0] http://i.imgur.com/xzH5tcL.png
> [1]
>
> https://github.com/Georgetown-University-Libraries/DSpaceImageMagickThumnails/pull/1
>
> On 10/15/2013 06:34 PM, Terry Brady wrote:
> > We had a similar need. I created a module to build thumbnails with
> > ImageMagick and Ghost Script.
> >
> > If this sounds useful, you can see the code here.
> >
> >
> https://github.com/Georgetown-University-Libraries/DSpaceImageMagickThumnails
> >
> > Terry
> >
> >
> >
> >
> > On Tue, Oct 15, 2013 at 11:08 AM, RENTON Scott <scott.ren...@ed.ac.uk
> >wrote:
> >
> >> Thanks folks. I've emailed Jason as you can probably see!
> >>
> >> Scott
> >>
> >> Scott Renton
> >> Systems Developer, Library & University Collections
> >> 24 Buccleuch Place, 2nd Floor Right
> >> tel: 515219
> >>
> >>
> >>
> >>
> >>
> >>
> >> On 15/10/2013 16:02, "RENTON Scott" <scott.ren...@ed.ac.uk> wrote:
> >>
> >>> Thanks Ivan
> >>>
> >>> I will do- in fact I will mail him now before I forget!
> >>>
> >>> Cheers
> >>> Scott
> >>>
> >>> Scott Renton
> >>> Systems Developer, Library & University Collections
> >>> 24 Buccleuch Place, 2nd Floor Right
> >>> tel: 515219
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> On 15/10/2013 16:01, "helix84" <heli...@centrum.sk> wrote:
> >>>
> >>>> On Tue, Oct 15, 2013 at 4:31 PM, RENTON Scott <scott.ren...@ed.ac.uk>
> >>>> wrote:
> >>>>> Yeah, that's the code I'm using. I'm not too surprised if the JPEG
> work
> >>>>> is only for images- I would say the PDF thumbnails work is quite an
> >>>>> obscure requirement. Anyway, if this is not changing, I would be
> happy
> >>>>> to tell the users that this is the best they can get for the moment;
> >>>>> they may decide not to implement, but that's up to them!
> >>>>
> >>>> Sorry about the inaccurate first answer.
> >>>>
> >>>> I see that both the fixed JPEGFilter/BrandedPreviewJPEGFilter and your
> >>>> XPDF2Thumbnail use the awt libraries to manipulate bitmaps. Therefore
> >>>> it might be possible to apply the same fixes to XPDF2Thumbnail as were
> >>>> applied to the JPEG filters. Try asking Jason Sherman
> >>>> <jsher...@usao.edu> about it, he's the author of the fixes and might
> >>>> be willing to do it for PDF, too.
> >>>>
> >>>>
> >>>> Regards,
> >>>> ~~helix84
> >>>>
> >>>> Compulsory reading: DSpace Mailing List Etiquette
> >>>> https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette
> >>>
> >>
> >>
> >> --
> >> The University of Edinburgh is a charitable body, registered in
> >> Scotland, with registration number SC005336.
> >>
> >>
> >>
> >>
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>
> --
> Alan Orth
> alan.o...@gmail.com
> http://alaninkenya.org
> http://mjanja.co.ke
> "I have always wished for my computer to be as easy to use as my
> telephone; my wish has come true because I can no longer figure out how
> to use my telephone." -Bjarne Stroustrup, inventor of C++
> GPG Public Key: 0xf92c4bd91084bb5de14e20be9470dd588dd1026c
>
>
>
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--
Jason Sherman
Systems Librarian
University of Science and Arts of Oklahoma
405.574.1340
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