W3C home > Mailing lists > Public > public-respimg@w3.org > October 2013

Re: JPEG 2000 (was: Multiple image files?)

From: Yoav Weiss <yoav@yoav.ws>
Date: Tue, 22 Oct 2013 08:38:39 +0200
Message-ID: <CACj=BEg3FizJAkNmg_=HQv_wcYuNqo1SRjkEVTwVyfPWaerkxg@mail.gmail.com>
To: Frédéric Kayser <f.kayser@free.fr>
Cc: "public-respimg@w3.org" <public-respimg@w3.org>, Marcos Caceres <w3c@marcosc.com>
On Tue, Oct 22, 2013 at 1:42 AM, Frédéric Kayser <f.kayser@free.fr> wrote:

> If Mozilla is serious about its integrated PDF viewer they will have to
> better support JPEG 2000 since it is part of the PDF specs.
> See 7.4.9 JPXDecode Filter in:
>
> http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/PDF32000_2008.pdf
>
> Current JPX file support in PDF.js (the PDF renderer used by Firefox) is
> suboptimal.
> Compare Google Chrome and Firefox rendering of this file:
> http://fanat1k.ru/tmp/test_pdf.pdf
>
> The iBooks reader on iOS devices also displays JPEG 2000 images found in
> PDF files since iOS 5 (it was not the case before).
>
> Hey, PDF is a nice trojan horse!
>
> Regards
> --
> Frédéric Kayser
>
> Marcos Caceres wrote:
>
> > On Monday, October 21, 2013 at 6:27 PM, lists@ericportis.com wrote:
> >
> >> I'd love to hear more from browser vendors about why the format never
> made the cut, historically.
> >
> >
> > Wish I could give that insight, but I'm too new at Mozilla  :(  However,
> JPEG2000 is also being discussed as part of the thread about the image
> formats study:
> >
> > https://groups.google.com/forum/#!topic/mozilla.dev.platform/9NKc7OeEFLM
> >
> > See this message from Henri, who has been with Mozilla for about 10
> years:
> >
> https://groups.google.com/d/msg/mozilla.dev.platform/9NKc7OeEFLM/4B_JtvpiKTgJ
> >
>

I think it would be extremely helpful if someone could run some JP2K tests
and prove or disprove Henri's claims.
The following comment
https://groups.google.com/d/msg/mozilla.dev.platform/9NKc7OeEFLM/kH35YH62uMUJsuggests
that it's a matter of encoder settings.
Received on Tuesday, 22 October 2013 06:39:09 UTC

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