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• tias@discuss.tchncs.de ⁨1⁩ ⁨day⁩ ago

  At the time when dithering was commonly used to achieve the illusion of more available colors, i.e. the 80s and the first half of the 90s.

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  • PeriodicallyPedantic@lemmy.ca ⁨1⁩ ⁨day⁩ ago

    I’m not really convinced that file compression was “mature” at the time. Text compression was reasonable progressed but image compression was created for a reason besides just a requirement for fixed compression ratio.

    But I do agree that it was limited in it’s usefulness.

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    • tias@discuss.tchncs.de ⁨1⁩ ⁨day⁩ ago

      I’m thinking of file compressoin formats like Zip, LHA and ARJ, which would work particularly well if the image was not dithered and used run-length encoding (e.g. the PIC format of the Atari ST). The PNG format still uses the deflate algorithm which is essentially identical to the compression used by PKZip in 1991.

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