On Sun, Nov 11, 2001 at 09:07:48PM -0500, Erik J. Eid wrote:
> Albert Yarusso, one of the maintainers of AtariAge, told me that he prefers
> the "non-lossy" picture formats such as PCX, BMP, and PNG. I believe that
> GIF is a lossy compression format.
GIF uses LZW compression, which is non-lossy. LZW is patented, however,
so you end up losing in a different way. PNG is a good alternative.[1]
Unfortunately PNG is not as widely supported as GIF.
(you're thinking of JPEG, which uses quantization and DCTs to aid
compression, both of which cause loss)
[1] -- Technically, PNG can be lossy, too, but in its default mode,
it isn't.
--
-/
|/| Julian Squires <tek@xxxxxxx>
/-
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