[sane-devel] regarding SANE_STATUS_WARMING_UP
m. allan noah
kitno455 at gmail.com
Mon Jun 1 01:18:31 UTC 2009
On Sun, May 31, 2009 at 9:14 PM, Olaf Meeuwissen
<olaf.meeuwissen at avasys.jp> wrote:
> "m. allan noah" <kitno455 at gmail.com> writes:
>> On Sun, May 31, 2009 at 7:23 PM, Olaf Meeuwissen
>> <olaf.meeuwissen at avasys.jp> wrote:
>>> "m. allan noah" <kitno455 at gmail.com> writes:
>>>> I also would like to add a generic 'SANE_STATUS_RETRY' for those cases
>>>> where the backend has to block during sane_start because it must
>>>> ingest the entire image before the size is known.
>>> The standard allows backends to return an unknown height, so what kind
>>> of cases are there when the width can't be known before slurping in the
>>> whole image?
>> most medium/large fujitsu machines will auto crop or auto rotate, but
>> the command to request the size returns the data for the previous
>> page, so you have to read until eof from the machine.
> I see.
>>>> I'd rather not block...
>>> I'd rather not hog memory ... ;-)
>> do you support any machines which interlace front-side and back-side
>> duplex data? then you already do...
> Yes, but in that case I have no alternative.
nor do i.
"The truth is an offense, but not a sin"
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