From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Leo Newsgroups: gmane.emacs.devel Subject: Re: Slow image display over network Date: Fri, 24 Sep 2010 13:21:04 +0100 Message-ID: References: <87iq1v6hg1.fsf@rimspace.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1285331840 4862 80.91.229.12 (24 Sep 2010 12:37:20 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 24 Sep 2010 12:37:20 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Sep 24 14:37:19 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Oz7Wd-0007vu-0H for ged-emacs-devel@m.gmane.org; Fri, 24 Sep 2010 14:37:15 +0200 Original-Received: from localhost ([127.0.0.1]:47830 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oz7Wc-000280-78 for ged-emacs-devel@m.gmane.org; Fri, 24 Sep 2010 08:37:14 -0400 Original-Received: from [140.186.70.92] (port=58226 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oz7WP-00021z-6x for emacs-devel@gnu.org; Fri, 24 Sep 2010 08:37:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oz7HF-0004KE-Jm for emacs-devel@gnu.org; Fri, 24 Sep 2010 08:21:23 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:41065) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oz7HF-0004KA-CQ for emacs-devel@gnu.org; Fri, 24 Sep 2010 08:21:21 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Oz7H9-0008NP-Ds for emacs-devel@gnu.org; Fri, 24 Sep 2010 14:21:15 +0200 Original-Received: from cpc1-cmbg13-0-0-cust596.5-4.cable.virginmedia.com ([86.9.122.85]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 24 Sep 2010 14:21:15 +0200 Original-Received: from sdl.web by cpc1-cmbg13-0-0-cust596.5-4.cable.virginmedia.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 24 Sep 2010 14:21:15 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 12 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: cpc1-cmbg13-0-0-cust596.5-4.cable.virginmedia.com Face: iVBORw0KGgoAAAANSUhEUgAAACgAAAAoBAMAAAB+0KVeAAAAMFBMVEUaFRZLMy1dTENxVzKQ WiCrXQ97cmO/dSqSh3akjGTApXy5sJ7Sxo/Sz8Xo6eP9//xJbkruAAAAAWJLR0QAiAUdSAAAAAlw SFlzAAACxQAAAsUBidZ/7wAAAAd0SU1FB9cBBwMJOwHXewoAAAIBSURBVCjPVdNBiNNAFADQ6J4F x3hThHZBBC+WCFI8SS0iezRDcMHLHkLAg6gJH/fgYQ9xYlj2sLK4KHgqCgXFhda2Idmr4kkQPZQ0 nkQMbTypbMmMM2m7ZgYSmMef/5OZPwo7HFnx3uKPcmj0Dht1LWZJ+Hvr7dIFZXRUwl9VRTuuKDJ+ U44gjscknK4hhJaCkYRsWjmBtLqXlJAG2wipNe18OZJu1BBq1E8xafl4s6Jq2mUZGftU1y7CCxnp FVUDWJXx4C66BKBnErbuoaYNtoRTu6EZBsCbMn7W+5qOAR6WvxNOby9jHWC9hAf3n304CdiAByXs 3Nh9roLDkyb/sWV712vYwaLSAn8CPMHIAAzOPDKP2COAFm4Y4ODVWc6xG7KXsN7UeUJjjimx2uwd gCgNhr0i8C/xyCD5CiCKAMY3Bf5oDzx//w/fimscdcAZU2jv9sedx6+nYPPFIoWI/GK6QZ+EFGOR ErAjCnV3vPZ7XqlTIMbOLY7fLcvvmT7rXNWaGDexIY44N12TG2PDp7vqyl57dnCeuWwyNpnEURxk fTbDYeBnKRn4oejPYI4sH6WviBumEZ/GxX4X/x6EcURFZ7E071bjQGAxpcOAEOJuTiroDEea5Szv rVWLYfl7ZiQwSUToxrkux7OLixAWGz22+HIyWTRYcVfomOwvzusfjtVIGgLHf3MAAAAASUVORK5C YII= User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (Mac OS X 10.6.4) Cancel-Lock: sha1:Dek7mAT05rE5QFGzh5gYe2v54ig= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:130761 Archived-At: On 2010-09-24 13:05 +0100, joakim@verona.se wrote: > If you look at the imagemagick loader, there is an attempt there at > image "pinging", figuring out stuff about images withouth actualy > loading them. The pinging there is done to avoid loading an entire > image stack when you only want one image index in the stack. Maybe > this ping code could be generalized and exposed to lisp. I've noticed > the need myself several times. Is "pinging" about obtaining the metainfo of an image? I think that is useful in general. Leo