Re: EXIF support in PNG

Glenn Randers-Pehrson <[email protected]>
Newsgroups gmane.comp.graphics.png.general
Message-ID <CA+PdXcvrbvuhxYQL23ZHCz-XeiXUDdomejpHKXkXgp6UqpSz-Q@mail.gmail.com>
On Tue, Jan 3, 2017 at 12:51 AM, Cosmin Truta <[email protected]> wrote:

>
> To me, anything that's better than hex-encoding the EXIF blob and
> putting it into zTXt is altogether a better solution. I'm thinking
> here about the user who doesn't care in the slightest about
> implementation: one old clunky and supposedly bad in other
> inconsequential ways (I mean EXIF-in-zTXt) gets compared to the new,
> shiny and well-designed eXIf chunk; and look, how much *smaller* is
> the *old* file! What extra useless stuff could have they put in the
> new one!
>

No offense, but I'd like to remind everyone that the EXIF-in-zTXt has
been working flawlessly in ImageMagick and GraphicsMagick for
over a decade.  I agree that it's ugly, but it was a necessary workaround
when any kind of EXIF chunk failed to get any traction here. "Upgrading"
IM/GM to use the eXIf chunk that we are now proposing will be trivial.

Glenn

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