From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#65432: 30.0.50; jerky image movements when zoomed Date: Mon, 21 Aug 2023 22:10:03 +0300 Message-ID: <83sf8ctdo4.fsf@gnu.org> References: <87350cv4hg.fsf@ledu-giraud.fr> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7104"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 65432@debbugs.gnu.org To: Manuel Giraud Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Aug 21 21:10:32 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qYAIJ-0001ea-Ft for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 21 Aug 2023 21:10:31 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qYAHt-0003vp-39; Mon, 21 Aug 2023 15:10:05 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qYAHo-0003vG-QQ for bug-gnu-emacs@gnu.org; Mon, 21 Aug 2023 15:10:00 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qYAHo-0007zN-IH for bug-gnu-emacs@gnu.org; Mon, 21 Aug 2023 15:10:00 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qYAHq-0003H8-QP for bug-gnu-emacs@gnu.org; Mon, 21 Aug 2023 15:10:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 21 Aug 2023 19:10:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 65432 X-GNU-PR-Package: emacs Original-Received: via spool by 65432-submit@debbugs.gnu.org id=B65432.169264499512567 (code B ref 65432); Mon, 21 Aug 2023 19:10:02 +0000 Original-Received: (at 65432) by debbugs.gnu.org; 21 Aug 2023 19:09:55 +0000 Original-Received: from localhost ([127.0.0.1]:57844 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qYAHj-0003Gd-C5 for submit@debbugs.gnu.org; Mon, 21 Aug 2023 15:09:55 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35250) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qYAHh-0003GQ-To for 65432@debbugs.gnu.org; Mon, 21 Aug 2023 15:09:54 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qYAHZ-0007xp-M0; Mon, 21 Aug 2023 15:09:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=remyL395rOqd4LuXtscZ76YgPUS7m962lv8a8RI5CKU=; b=QhJfN7ofAB/X cXflE8Z5xRv023osRR1HsWvQ+ItQAY7RYCh49vDgy5P5sBt1OdvR/1hep3U1lpmIoRdGbfCocUY5M pLdVnXqV/i1hZ+QRfidsljlpSVEFTOXQN08U+/+UaosVCyQskiouhs4+vFH5GT4siKTw02jsjwDtd 0pG+vjidjpg8aGluKH2OMosg+8lCtCiiFrGmogd03JDH0ZknZCD0zQya03CHvhIV0dvvc0hOzk1OA RX3taaSxKUUkEJNpVRitKYJaYIibhJ+0+uSPE5jF/YRH5eKouNB9jP19Nk5UcadbgknEzUwP2zLnS 6WpBy7YcfLZtuQMHsUMYuQ==; In-Reply-To: <87350cv4hg.fsf@ledu-giraud.fr> (bug-gnu-emacs@gnu.org) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:268121 Archived-At: > Date: Mon, 21 Aug 2023 16:45:31 +0200 > From: Manuel Giraud via "Bug reports for GNU Emacs, > the Swiss army knife of text editors" > > When opening a rather big image into a quite big Emacs window, movements > (C-n, C-p, C-f, C-b) are smooth at original image size but are jerky > whenever there is some zooming (in or out) involved. > > Recipe: > - emacs -Q > - 'C-x C-f' "a big image.jpg" > - 's o' (image-transform-reset-to-original) > - keep 'C-n' pressed, keep 'C-f' pressed -> movements are smooth > - 'i -' (image-decrease-size) > - keep 'C-n' pressed, keep 'C-f' pressed -> movements are jerky I cannot reproduce this, on MS-Windows. I see no difference between "jerkyness" of motion commands before and after 'i -'.