Re: exif data in PNG?

I agree with you.


On 6/20/07, zoran knezevic <zoransa@gmail.com> wrote:
>
> > is there a PNG chunk type defined for Exif data?
>
> > If not, is there any reason for not having it?
>
> That's an old problem of self-documentation for PNG images. The PNG
> specification allows labeled text (ASCII or UTF-8) elements to be
> embedded in text chunks and predefines a few standard keywords
> (element labels): Title, Author, Description, Copyright, Creation
> Time, Software, Disclaimer, Warning, Source, Comment but not in Exif
> format . An attempt in 2000 to develop open source tools to convert
> EXIF images (including EXIF metadata) to PNG seems to have been
> abandoned. See http://pmt.sourceforge.net/exif/drafts/d020.html.
>
> ---
> Zoran
> http://www.rentalio.com/ http://www.punmiris.com/
>
>


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