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Re:^2 editing gifs with Perl

by rozallin (Curate)
on Dec 18, 2002 at 21:25 UTC ( #220948=note: print w/ replies, xml ) Need Help??

in reply to Re: editing gifs with Perl
in thread editing gifs with Perl

PNG is very similar to GIF, but it uses a different compression algorithm and can't be animated (yet, I hear rumors that they are working on that...)

The PNG equivalent of Animated GIFs are MNGs (Multiple-image Network Graphics.) As implied by the name, MNG was based on the PNG format to handle animated graphics. In addition to sharing a number of PNG's best features, it offers the following animation features:

  • Object/sprite based animation
  • Much better compression than animated GIFs
  • Frame differencing support
  • Nested loops (useful for complex animations)
But MNGs are currently still in development and very few programs support it as of yet (the only program that springs to my mind is Netscape 6).

-- Rozallin J. Thompson
The Webmistress who doesn't hesitate to use strict;

Comment on Re:^2 editing gifs with Perl
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Re: Re:^2 editing gifs with Perl
by Flame (Deacon) on Dec 19, 2002 at 14:28 UTC
    Well that's useful to know, what about Mozilla?

    My code doesn't have bugs, it just develops random features.

    Flame ~ Lead Programmer: GMS | GMS

      According to, the MNG format is only natively supported by Mozilla, Netscape 6 (or higher) and KDE Konqueror. There are plug-ins available for other browsers but I've never used these so I cannot say how effective they are, if they work at all.

      -- Rozallin J. Thompson
      The Webmistress who doesn't hesitate to use strict;

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