Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-27 Thread Ulf Zibis
Hi, I do not have any insight into the SANE architecture, but here are my thoughts for version 2 of SANE: I like the idea of using a middleware. Another approach could be to leave the lineart api at the backends, but replace the lineart emulation code in each backend by linking to a general

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Ralph Little
Hi, On Thu, Sep 24, 2020 at 5:03 AM m. allan noah wrote: > > I wrote sanei_magic to provide software deskew and > cropping algorithms to all backends, for just this reason. I've got a > pretty good lineart function in the epjitsu backend, that I could move > up to sanei_magic if other backends

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Kelly Price
I'm going to present a few sides here, mainly as a user, so here's a long mail. Also, I'm going to define a few terms. * A "sketch" is just pencil on paper. Greyscale, essentially. (Colored pencils are a different matter) * A "lineart" or "inked piece" is ink on paper, with the pencils erased

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Wolfram Sang
> Sorry everyone! > I am ashamed of my inattention! No worries! :) signature.asc Description: PGP signature

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Wolfram Sang
> I am a "simple" user who > has used the lineart setting on the scanner for many, many > years. Now I was faced with the fact that it was discontinued > by default and is missing in my work ... > You are a scanner and IT pros and it was great to revive

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread csol...@gmail.com
2020. 09. 24. 12:04 keltezéssel, Wolfram Sang írta: Well, I assumed the answer is 'no'. If it was 'yes', then the proper path would be to first code it, convert the users, and only finally delete the now obsolete stuff, no? Dear Sirs! I read the

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread m. allan noah
On Thu, Sep 24, 2020 at 6:04 AM Wolfram Sang wrote: > > On Thu, Sep 24, 2020 at 11:59:39AM +0200, Ulf Zibis wrote: > > > > Am 24.09.20 um 11:45 schrieb Wolfram Sang: > > > > > > !458 explains some more: "The LINEART support within the backend is > > > implemented as a pure software filter. I

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Wolfram Sang
On Thu, Sep 24, 2020 at 11:59:39AM +0200, Ulf Zibis wrote: > > Am 24.09.20 um 11:45 schrieb Wolfram Sang: > > > > !458 explains some more: "The LINEART support within the backend is > > implemented as a pure software filter. I think this should live in a > > higher level and be reusable by all

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Ulf Zibis
Am 24.09.20 um 11:45 schrieb Wolfram Sang: !458 explains some more: "The LINEART support within the backend is implemented as a pure software filter. I think this should live in a higher level and be reusable by all backends instead of being duplicated within each backend." I agree, that

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Wolfram Sang
> > Why is the lineart option not supported in the sane 1.0.31 backend version? > > Probably because of commit a12083c8c44b7296fa98ecb83e8932d0f6bdeb05. > > > https://gitlab.com/sane-project/backends/-/commit/a12083c8c44b7296fa98ecb83e8932d0f6bdeb05 > > @povilas> The commit message doesn't

Re: [sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread Olaf Meeuwissen
Hi csola48, csol...@gmail.com writes: > Why is the lineart option not supported in the sane 1.0.31 backend version? Probably because of commit a12083c8c44b7296fa98ecb83e8932d0f6bdeb05. https://gitlab.com/sane-project/backends/-/commit/a12083c8c44b7296fa98ecb83e8932d0f6bdeb05 @povilas> The

[sane-devel] sane 1.0.31 backend version not supported lineart. Why?...

2020-09-24 Thread csol...@gmail.com
Why is the lineart option not supported in the sane 1.0.31 backend version? Typed texts, black and white forms can only be scanned with a gray background! (Ubuntu 18.04.5 / Canon LIDE 220) csola48