Re: The evil is out ... aPNG (Animated PNG)

At 06:13 PM 8/28/2004 +0200, Alexander Opitz wrote:
>Pavlov, the nice guy from the mozilla project and vlad (also mozilla team) 
>created aPNG.
>
>Take a look --> 
>http://www.pavlov.net/blog/archives/2004/08/apng_coming_soo.html

It should be using a different signature and header chunk.  The
header chunk could contain what's in their existing aNIm chunk
plus canvas size.  The signature could be the same as PNG's, except
with "ANG" instead of "PNG".

Their chunks should be "anIm" and "frAm" instead of "aNIm" and "fRAm"
until such time as png-list approves them.

To make a multiple-image PNG is to violate clause 5.2 of the PNG ISO
spec.  Mozilla wouldn't want to do that, because they are the champions
of spec compliance.

Glenn


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