From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Engster Newsgroups: gmane.emacs.bugs Subject: bug#14567: Scrolling of large images Date: Tue, 11 Jun 2013 22:14:47 +0200 Message-ID: <87bo7cpfpk.fsf@engster.org> References: <83ppvzur6i.fsf@gnu.org> <83obbjuov4.fsf@gnu.org> <83vc5osn0r.fsf@gnu.org> <83obbgsg33.fsf@gnu.org> <83k3m4sar0.fsf@gnu.org> <83ehccromw.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1370981761 16958 80.91.229.3 (11 Jun 2013 20:16:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 11 Jun 2013 20:16:01 +0000 (UTC) Cc: Thomas Wiecki , 14567@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jun 11 22:16:01 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UmUyx-0004Wl-7J for geb-bug-gnu-emacs@m.gmane.org; Tue, 11 Jun 2013 22:15:55 +0200 Original-Received: from localhost ([::1]:47858 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UmUyw-0006Mk-IA for geb-bug-gnu-emacs@m.gmane.org; Tue, 11 Jun 2013 16:15:54 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:40016) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UmUyp-0006MZ-DF for bug-gnu-emacs@gnu.org; Tue, 11 Jun 2013 16:15:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UmUyo-0001jA-3D for bug-gnu-emacs@gnu.org; Tue, 11 Jun 2013 16:15:47 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:52786) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UmUyn-0001j6-Rb for bug-gnu-emacs@gnu.org; Tue, 11 Jun 2013 16:15:45 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1UmUz4-0004UL-8H for bug-gnu-emacs@gnu.org; Tue, 11 Jun 2013 16:16:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: David Engster Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 11 Jun 2013 20:16:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14567 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 14567-submit@debbugs.gnu.org id=B14567.137098171417162 (code B ref 14567); Tue, 11 Jun 2013 20:16:02 +0000 Original-Received: (at 14567) by debbugs.gnu.org; 11 Jun 2013 20:15:14 +0000 Original-Received: from localhost ([127.0.0.1]:57021 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1UmUyI-0004Sk-H5 for submit@debbugs.gnu.org; Tue, 11 Jun 2013 16:15:14 -0400 Original-Received: from randomsample.de ([83.169.19.17]:38637) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1UmUyG-0004Sb-9H for 14567@debbugs.gnu.org; Tue, 11 Jun 2013 16:15:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=randomsample.de; s=a; h=Content-Type:MIME-Version:Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From; bh=AWbbJNgcCoYlMRyJEWHP+3CNERjyUZCpRElVf/n9Sgk=; b=A5sh7EnRwpjl0WRCQeDp94Pwf843fUMQkKo9tE+Qf4IVp4zmqFTyLHNBRc28/ttJCiviE1ByiEmc05uPfMM93ZBpb0VT5uod5eN0TeAXSzqXmBYeO1r0x6JZBvd1C+S6; Original-Received: from dslc-082-083-050-067.pools.arcor-ip.net ([82.83.50.67] helo=spaten) by randomsample.de with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1UmUxx-0000vX-R4; Tue, 11 Jun 2013 22:14:54 +0200 In-Reply-To: <83ehccromw.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 09 Jun 2013 05:42:15 +0300") User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:74983 Archived-At: Eli Zaretskii writes: >> I can't really reproduce the line-move error either in this mode. It >> does show up occasionally but I haven't figured out how to >> explicitly trigger it thus far. > > I'll try reproducing it here. I also tried the patch on current trunk. I use the following snippet to generate a buffer containing large and small images as well as text: (with-current-buffer (get-buffer-create "test") (erase-buffer) (let ((imagelarge (create-image "~/someimage.jpg" 'imagemagick nil :height 2000 :width 1000)) (imagesmall (create-image "~/someimage.jpg" 'imagemagick nil :height 200 :width 100))) (dotimes (i 20) (insert "\n*** " (number-to-string i)" ***\nThis is a line of text.\nAnd here's a large image:\n") (insert-image imagelarge) (insert "\nAnd a small image:\n") (insert-image imagesmall)) (goto-char (point-min)))) Obviously, replace "~/someimage.jpg" with something else. Also, Emacs must be compiled with imagemagick support. Scrolling using your patch looks already pretty good, but I also get the 'wrong-type-argument' error while scrolling down. I use a maximized 'emacs -Q' on a display with 1366x768 resolution, and here's the backtrace: Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil) line-move-partial(1 nil nil) line-move(1 nil nil 1) #[0 "\302\300@\303\211\301$\207" [(1) 1 line-move nil] 5 "\n\n(fn)"]() funcall(#[0 "\302\300@\303\211\301$\207" [(1) 1 line-move nil] 5 "\n\n(fn)"]) next-line(1 1) call-interactively(next-line nil nil) command-execute(next-line) This happens during scrolling when point should switch from the first small image to the following text line containing "*** 1 ***". The second large image is already visible at the bottom. I can do screenshots or even a screencast if necessary. -David