[sane-devel] grey 4bit/pixel
m. allan noah
anoah at pfeiffer.edu
Sat Aug 19 23:20:46 UTC 2006
>> usual Linux distributions. Otherwise, write one. The PPM, PGM, PBM
>> formats (default for scanimage output) are very simple, and it is
> None of those formats support 4-bit data.
> They do support maxlevel=15 data, but the data are represented with 8-bits.
> PBM (P4) is one bit per pixel. If you want you could stack 4 pbm images.
gif does. i use it every day in 4 bit mode
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