[sane-devel] sane_get_parameters / sample depth

2002-09-22 Thread abel deuring
Major A wrote: >>Could somebody give me a clue about the possible sample depths? > > > There are only the three you mentioned -- 1, 8, 16. If a scanner > supports, say, 12 bits, then the backend has to expand that to 16 > bits. The way this is usually done is that the scanned samples are > left-j

[sane-devel] sane_get_parameters / sample depth

2002-09-22 Thread abel deuring
Hi all, I'm currently trying to improve the sane "glue layer" from PIL (Python Imaging Library). One of things missing there is support for other sample depths than 8. While it's obvious how to implement support for line art, I'm become more and more puzzled, if support for other sample depths

[sane-devel] sane_get_parameters / sample depth

2002-09-22 Thread Major A
> Could somebody give me a clue about the possible sample depths? There are only the three you mentioned -- 1, 8, 16. If a scanner supports, say, 12 bits, then the backend has to expand that to 16 bits. The way this is usually done is that the scanned samples are left-justified within the two byte