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From: Eli Zaretskii <eliz@gnu.org>
To: Dov Grobgeld <dov.grobgeld@gmail.com>
Cc: Luangruo@yahoo.com, emacs-devel@gnu.org, tomas@tuxteam.de
Subject: Re: Stylus drawing input?
Date: Tue, 24 Jan 2023 19:00:44 +0200	[thread overview]
Message-ID: <83lelrhnpf.fsf@gnu.org> (raw)
In-Reply-To: <CA++fsGHH_8MA-f36gfNN23Yy3vx1qtCZa=OQJMXmeUFG-wsocw@mail.gmail.com> (message from Dov Grobgeld on Tue, 24 Jan 2023 17:55:15 +0200)

> From: Dov Grobgeld <dov.grobgeld@gmail.com>
> Date: Tue, 24 Jan 2023 17:55:15 +0200
> Cc: Luangruo@yahoo.com, emacs-devel@gnu.org, tomas@tuxteam.de
> 
> But I still don't understand how emacs can display such an image as an
> "overlay" on top of other buffer contents.

It cannot.  Emacs treats images as large characters, so all we are
capable of doing is display images in-line.

> (Having the notion of layers would also be nice for doing
> presentations in emacs, as you can then have some static graphics as a
> background image.)

That would need a complete redesign of the current display engine,
AFAIU.  Patches welcome.



  reply	other threads:[~2023-01-24 17:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-12  6:39 Stylus drawing input? Dov Grobgeld
2023-01-14  6:06 ` Richard Stallman
2023-01-14  8:17   ` Dr. Arne Babenhauserheide
2023-01-14  9:38     ` Peter
2023-01-14  9:57     ` Eli Zaretskii
2023-01-14 10:49       ` Dr. Arne Babenhauserheide
2023-01-15  5:13     ` Richard Stallman
2023-01-16  7:41       ` Dr. Arne Babenhauserheide
2023-01-16  7:45       ` Dr. Arne Babenhauserheide
2023-01-16  8:26         ` tomas
2023-01-23 21:15           ` Dov Grobgeld
2023-01-23 23:48             ` Po Lu
2023-01-24  8:03               ` Dov Grobgeld
2023-01-24 10:50                 ` Po Lu
2023-01-24 12:27                 ` Eli Zaretskii
2023-01-24 15:55                   ` Dov Grobgeld
2023-01-24 17:00                     ` Eli Zaretskii [this message]
2023-01-14  9:50   ` Po Lu
2023-01-15  5:13     ` Richard Stallman

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