From: kstailey Date: Mon, 10 Mar 1997 02:28:46 +0000 (+0000) Subject: stuff about halftone X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=cf2c5164de069f99b24620df97d5debc0be2a23e;p=openbsd stuff about halftone --- diff --git a/sys/scsi/README.ss b/sys/scsi/README.ss index d88bd836b21..c582d02799a 100644 --- a/sys/scsi/README.ss +++ b/sys/scsi/README.ss @@ -1,4 +1,4 @@ -$OpenBSD: README.ss,v 1.2 1997/03/08 21:23:42 kstailey Exp $ +$OpenBSD: README.ss,v 1.3 1997/03/10 02:28:46 kstailey Exp $ If you think SCSI tape drives are quirky you haven't seen anything. @@ -31,3 +31,14 @@ use MODE_SELECT and not SET_WINDOW to send parameter data. However it is possible that too much code was farmed out to ss_mustek.c; it may be that common code for ssread() in ss.c could be used. +Other Considerations + +The image data from the scanner driver is currently supposed to resemble +headerless PBM "rawbits". Depending on this is probably a bad idea +especially because it cannot always be attained. The Fujutisu M3096G +grayscale data is photo-negative with repect to PBM and this cannot be +changed. It would be better to extend the ioctl() interface to be able +to describe the kind of data that is available. + +Halftone control of scanners is missing, save for one pre-defined +selection. This also should be in the ioctl() interface.