From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.devel Subject: Re: Pixel-based display functions Date: Thu, 05 Feb 2015 10:38:52 +0100 Message-ID: <54D33A2C.1060603@gmx.at> References: <877fw4zsdv.fsf@building.gnus.org> <831tmcn4k4.fsf@gnu.org> <87386szq1w.fsf@building.gnus.org> <83wq44ljm9.fsf@gnu.org> <87vbjowlqv.fsf@building.gnus.org> <83oapglbx6.fsf@gnu.org> <83lhkkl23i.fsf@gnu.org> <83bnlgkl1s.fsf@gnu.org> <837fw3l7uz.fsf@gnu.org> <54CD4B27.4080201@gmx.at> <874mr6qvi5.fsf@building.gnus.org> <87sieqpfxh.fsf@building.gnus.org> <54CDE908.7050908@gmx.at> <87ioflq0dz.fsf@building.gnus.org> <54CE2187.9070003@gmx.at> <54CE4D8A.5040201@gmx.at> <87zj8wy79g.fsf@building.gnus.org> <87k2zxynvk.fsf@building.gnus.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1423129166 18981 80.91.229.3 (5 Feb 2015 09:39:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 5 Feb 2015 09:39:26 +0000 (UTC) Cc: Eli Zaretskii , Stefan Monnier , emacs-devel@gnu.org To: Lars Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Feb 05 10:39:25 2015 Return-path: Envelope-to: ged-emacs-devel@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 1YJIuB-0006Tt-O5 for ged-emacs-devel@m.gmane.org; Thu, 05 Feb 2015 10:39:23 +0100 Original-Received: from localhost ([::1]:40888 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJIuB-00054s-4Q for ged-emacs-devel@m.gmane.org; Thu, 05 Feb 2015 04:39:23 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38381) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJIu8-00053X-4d for emacs-devel@gnu.org; Thu, 05 Feb 2015 04:39:20 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YJIu7-00040K-EV for emacs-devel@gnu.org; Thu, 05 Feb 2015 04:39:20 -0500 Original-Received: from mout.gmx.net ([212.227.15.15]:58931) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJIu3-0003yK-LQ; Thu, 05 Feb 2015 04:39:15 -0500 Original-Received: from [91.113.5.98] ([91.113.5.98]) by mail.gmx.com (mrgmx002) with ESMTPSA (Nemesis) id 0Lq9se-1XfpLQ3n3g-00dpxE; Thu, 05 Feb 2015 10:39:01 +0100 In-Reply-To: <87k2zxynvk.fsf@building.gnus.org> X-Provags-ID: V03:K0:Mg8nR+slo2wIlGC3PvSCG5TDjKGZvnjpST45xCa6BNkVcJcnhgY AiEXOPb2jT0ZWrFimOzctQAHbJTkoz3omSdspdQjHhYzSZsjy+lvdua1mzzokR4wICoSZcd uV/qra6U/fmL0GQNolFOc5Vn204CFFfRVUwVw0DL8gZVOrZXRp0Z4LSKBJsChSQklUC/S6a eMpqBJAIqJrZK9jtkUpqQ== X-UI-Out-Filterresults: notjunk:1; X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 212.227.15.15 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:182438 Archived-At: > Evaling the following: > > (progn > (switch-to-buffer "empty") > (with-temp-buffer > (dotimes (i 100) (insert "hello")) > (window-text-pixel-size nil 1 100 nil nil nil (current-buffer)))) > > Gives me this backtrace: > > Debugger entered--Lisp error: (args-out-of-range 81) > window-text-pixel-size(nil 1 100 nil nil nil #) Indeed. I was too optimistic. The window's buffer is apparently hard-coded into the iterator in so many ways that this can't be fixed reasonably. Just look for all the it->object = it->w->contents assignments. It's sheer luck that this didn't crash more seriously. I have to back out my change, sorry. And if you want to use `window-text-pixel-size' you'll have to do the saving stuff I proposed earlier. Thanks for catching this, martin