From: Alan Third <alan@idiocy.org>
To: Dov Grobgeld <dov.grobgeld@gmail.com>
Cc: Lars Ingebrigtsen <larsi@gnus.org>,
Evgeny Zajcev <lg.zevlg@gmail.com>,
Stefan Kangas <stefankangas@gmail.com>,
emacs-devel <emacs-devel@gnu.org>
Subject: Re: Image transformation filter for upscaled images
Date: Tue, 9 Mar 2021 18:16:25 +0000 [thread overview]
Message-ID: <YEe7eQqW82fj3dQ4@breton.holly.idiocy.org> (raw)
In-Reply-To: <CA++fsGHh58iauZ-8=TyzqmW5VZmk=66weCD3zcVZSea+9PH7_w@mail.gmail.com>
On Tue, Mar 09, 2021 at 03:50:08PM +0200, Dov Grobgeld wrote:
> Note that there are various smart algorithms for bitmap to contour (svg)
> tracing. E.g.
>
> http://potrace.sourceforge.net/
>
> But there are others. One idea would be to use potrace for "small" images
> and pixel interpolation (or nearest neighbor) for large images. The
> specification for small and large should be settable by the user.
Unfortunately this is when using the (hopefully) hardware accelerated
image transforms, so we're stuck with what the system gives us.
--
Alan Third
next prev parent reply other threads:[~2021-03-09 18:16 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-07 19:12 Image transformation filter for upscaled images Evgeny Zajcev
2021-03-07 20:45 ` Alan Third
2021-03-07 22:35 ` Evgeny Zajcev
2021-03-07 23:27 ` Stefan Kangas
2021-03-08 0:42 ` Evgeny Zajcev
2021-03-08 2:31 ` Stefan Kangas
2021-03-08 13:34 ` Eli Zaretskii
2021-03-08 13:31 ` Eli Zaretskii
2021-03-08 18:58 ` Alan Third
2021-03-08 19:18 ` Lars Ingebrigtsen
2021-03-08 21:27 ` Alan Third
2021-03-08 21:31 ` Lars Ingebrigtsen
2021-03-08 21:59 ` Alan Third
2021-03-09 8:34 ` Evgeny Zajcev
2021-03-09 9:28 ` Alan Third
2021-03-09 9:46 ` Evgeny Zajcev
2021-03-09 14:16 ` Stefan Monnier
2021-03-09 13:09 ` Eli Zaretskii
2021-03-09 13:48 ` Evgeny Zajcev
2021-03-09 13:59 ` Lars Ingebrigtsen
2021-03-09 16:37 ` Eli Zaretskii
2021-03-09 17:04 ` Lars Ingebrigtsen
2021-03-09 18:01 ` Eli Zaretskii
2021-03-10 4:23 ` Yuri Khan
2021-03-10 14:44 ` Lars Ingebrigtsen
2021-03-09 13:16 ` Lars Ingebrigtsen
2021-03-09 13:50 ` Dov Grobgeld
2021-03-09 18:16 ` Alan Third [this message]
2021-03-09 18:12 ` Alan Third
2021-03-09 22:31 ` Basil L. Contovounesios
2021-03-09 23:59 ` Stefan Monnier
2021-03-10 13:37 ` Alan Third
2021-03-10 14:49 ` Lars Ingebrigtsen
2021-03-10 21:45 ` Alan Third
2021-03-11 16:53 ` Lars Ingebrigtsen
2021-03-12 1:38 ` Lars Ingebrigtsen
2021-03-12 2:01 ` Evgeny Zajcev
2021-03-12 18:32 ` Alan Third
2021-03-08 20:05 ` Evgeny Zajcev
2021-03-08 21:29 ` Alan Third
2021-03-08 13:27 ` Eli Zaretskii
2021-03-07 23:12 ` Stefan Monnier
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