[...] but the simple answer is that the compression
scheme used by
PNG compresses smaller and decompresses faster than what GIF uses.
I never claimed
otherwise. I merely pointed out it is a great deal
more complicated.
No, that's the crazy thing: LZ77-based schemes are actually
less
complicated than LZ78.
Perhaps in general. But I've just been reading over the RFCs
specifying it; I'm not yet done and it's already more complicated than
LZW compression such as used by GIF. (The ideas are simple. The
rendering of them into practice is not.)
Perhaps I just have a different idea of complexity from you.
If you don't have a need for more than 256 colors,
you don't have a
need for PNG.
Well, unless you need a non-1bpp alpha channel, or non-composed alpha,
some such.
But don't dismiss the format just because you
don't have a need for
it.
Oh, I wasn't. Except in this particular case, and that conditional on
the colour line-art being suitable for quantizing down to a
sufficiently small set of colours.
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