[sane-devel] HP 4570c with HP5590 backend, problem with source="TMA Negatives"

[Ilia Sotnikov]

Will,
thanks for reporting this, makes sense. I just committed the change to SANE Git.
Since I don't have a device at hands, would be just awesome if you
could build SANE from Git and test.

Thanks!

On Mon, Jan 12, 2015 at 10:51 PM, will kranz <will.kranz at gmail.com> wrote:
> Dear Sane people:
> Thanks for your efforts.  I recently obtained a used scanner with a TMA
> adapter.  Yours is the only software I can find that comes close to making
> it work.  I have a current release with the following installed under linux:
> scanimage (sane-backends) 1.0.24; backend version 1.0.24
>
> I was able to obtain images from several negatives with the scanner, but
> the colors were wrong.  After some experimentation I find that they are
> apparently not corrected for being a negative.  If for each of the 3 color
> values making up each pixel in the resulting tiff output file I do:
> value = 255 -value; and rewrite the file the image is corrected.
> I don't have any slides yet so have not tried that, just thought you might
> be interested.
>
> I have submitted one subscription request to mailing list but after several
> days have not gotten a confirming email.  Should I repeat the request?
> Thanks again.  Will
>
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-- 
 Ilia Sotnikov