From: Eli Zaretskii <eliz@gnu.org>
To: Arthur Miller <arthur.miller@live.com>, Alan Third <alan@idiocy.org>
Cc: emacs-devel@gnu.org
Subject: Re: Image transforms as a benchmark?
Date: Sun, 12 Sep 2021 15:17:04 +0300 [thread overview]
Message-ID: <83a6kif0ov.fsf@gnu.org> (raw)
In-Reply-To: <AM9PR09MB497767C7F6D2AC76C5D1C08496D89@AM9PR09MB4977.eurprd09.prod.outlook.com> (message from Arthur Miller on Sun, 12 Sep 2021 13:45:39 +0200)
> From: Arthur Miller <arthur.miller@live.com>
> Date: Sun, 12 Sep 2021 13:45:39 +0200
>
> I wonder if image-rotate is handled completely by external libraries? I see
> no effect on performance, regardless of how many time I rotate some image.
It's handled by the window-system libraries: XLib or Cairo or
ImageMagick on Unix, GDI on Windows, etc. So you shouldn't see any
significant performance changes in these functionalities due to
optimization switches.
> Is it same situation for scaling down? I see big difference when
> scaling up images so I guess that is handled by Emacs own code?
Not sure (is your build with or without ImageMagick?), but perhaps
Alan does.
next prev parent reply other threads:[~2021-09-12 12:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-12 11:45 Image transforms as a benchmark? Arthur Miller
2021-09-12 12:12 ` Alan Third
2021-09-12 13:28 ` Arthur Miller
2021-09-12 15:50 ` Alan Third
2021-09-12 17:50 ` Arthur Miller
2021-09-12 12:17 ` Eli Zaretskii [this message]
2021-09-12 13:29 ` Arthur Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=83a6kif0ov.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=alan@idiocy.org \
--cc=arthur.miller@live.com \
--cc=emacs-devel@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).