[net.micro.mac] MacPaint file compression scheme

joe@ut-sally.UUCP (Joe Hitchens) (08/01/85)

Does anyone know the exact way that the Macpaint style picture files
are compressed and stored?
I know about the 512 byte header.  I want to know just how the bit-image
is compressed so I can create/read them manually WITHOUT packbits and
unpackbits.
Any help with this would be tremendously appreciated.

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(repeat: WITHOUT packbits & unpackbits!)