[sane-devel] gscan2pdf 1.8.3 released

2017-07-01 Thread Jeff
gscan2pdf - A GUI to produce a multipage PDF or DjVu from a scan.

http://gscan2pdf.sourceforge.net/

Five clicks are required to scan several pages and then save all or
a selection as a PDF or DjVu file, including metadata if required.

gscan2pdf can control regular or sheet-fed (ADF) scanners with SANE via
libsane-perl, scanimage or scanadf, and can scan multiple pages at
once. It presents a thumbnail view of scanned pages, and permits simple
operations such as cropping, rotating and deleting pages.

OCR can be used to recognise text in the scans, and the output
embedded in the PDF or DjVu.

PDF conversion is done by PDF::API2.

The resulting document may be saved as a PDF, DjVu, multipage TIFF file,
or single page image file.

Changelog for 1.8.3:
* + libimage-sane-perl frontend
  - scanimage-perl and scanadf-perl frontends
  Closes bug #219 (Rescan for devices not working properly).
* Fixed bug writing multipage hOCR files.
* Fixed bug switching between Tesseract and Cuneiform (particularly for
  German).



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[sane-devel] Maybe I am on the wrong list ...

2017-07-01 Thread Dr.-Ing. Dieter Jurzitza
Dear listmembers,
maybe I am on the wrong list because my problem might be application - 
specific, however.

I have set up a HP 7400C scanner, supported by the avision backend, it is 
detected and working. So far, so good.

Now, if I scan a black and white printed text with xsane and adjust all 
parameters to default, 300dpi, Gray, contrast and brightness set to 0, 
(=100%), the resutls are nice quality scans, black is black, background is 
white.

In contrast, attempting to do the very same with scanimage, calling:

scanimage --mode Gray --contrast 0 --brightness 0 --resolution 300 > outfile

the resulting picture in "outfile" (same printed text as above) is very 
bright, grey rather than black. Modifying brightness is making the result 
worse, modifying contrast as well. I cannot achieve the same result as with 
xsane - what makes me wonder as I had had expected to work the same way 

Any ideas / hints for me? I could provide resulting scans for explanation, 
however, I think I cannot upload anything.

Regards, many thanks for your efforts




Dieter Jurzitza

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[sane-devel] SANE Perl bindings Image::Sane released

2017-07-01 Thread Jeff
I have written new Perl bindings for the SANE API. Please find them at:

https://metacpan.org/pod/Image::Sane

These Perl bindings for the SANE (Scanner Access Now Easy) Project allow
you to access SANE-compatible scanners in a Perlish and object-oriented
way, freeing you from the casting and memory management in C, yet
remaining very close in spirit to original API.

They are based on, and almost identical to, my original bindings:

https://metacpan.org/pod/Sane

which the CPAN administrators have been asking me to rename for
literally years. I updated the Perl API (for error handling) at the same
time, but Image::Sane is otherwise almost identical to Sane.

Regard

Jeff



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Re: [sane-devel] [janitorial] CI now builds snapshots with "funny" versions

2017-07-01 Thread Olaf Meeuwissen
Hi Allan,

About two weeks ago I wrote on the sane-devel mailing list:

> Dear list,
>
> [ ... creating `git describe --dirty` versioned tarballs ...]
>
> So then, what does happen on Alioth when the daily snapshots are made?
> These snapshots are, unsurprisingly, courtesy of a daily cron job.  It
> runs something close to
>
>   git archive --format=tar master | gzip > sane-backends-$DATE.tar.gz
>
> I've tried to run `make dist` on Alioth.  No such luck.  [...]
>
> The fact you cannot run `make dist` on Alioth is probably why the daily
> snapshots are just `git archive`s, but those archives are not made the
> way as our release tarballs.  And that bugs me.  Maybe I should change
> that cron job to pull the tarballs from GitLab.com ...

Well, I did just that and ran it manually without any hitch.  There is
now an extra snapshot[1] that is made the same way we roll our release
tarballs.

 [1] http://sane-project.org/snapshots/

This snapshot corresponds to the most current git checkout that passed
the CI build at GitLab.com.

The updated make-git-snapshots.sh should (famous last words!) run
without any trouble and produce no output.  If, however, you start
receiving mail from your daily sane cronjob, just forward it to me
and I'll fix it up.

Hope this helps,
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