From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: image-size Date: Thu, 20 Jun 2013 23:53:11 +0300 Message-ID: <83k3loo66g.fsf@gnu.org> References: <837ghopy8a.fsf@gnu.org> <83zjukog7h.fsf@gnu.org> <83txksodgv.fsf@gnu.org> <83r4fwocqd.fsf@gnu.org> <83ppvgoaw9.fsf@gnu.org> <83mwqko9ge.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1371761595 24280 80.91.229.3 (20 Jun 2013 20:53:15 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 20 Jun 2013 20:53:15 +0000 (UTC) Cc: emacs-devel@gnu.org To: Lars Magne Ingebrigtsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jun 20 22:53:15 2013 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 1Uplr1-00051z-7j for ged-emacs-devel@m.gmane.org; Thu, 20 Jun 2013 22:53:15 +0200 Original-Received: from localhost ([::1]:59255 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uplr0-0005lx-U4 for ged-emacs-devel@m.gmane.org; Thu, 20 Jun 2013 16:53:14 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33800) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uplqx-0005fr-QQ for emacs-devel@gnu.org; Thu, 20 Jun 2013 16:53:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Uplqu-0002fz-07 for emacs-devel@gnu.org; Thu, 20 Jun 2013 16:53:11 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:36485) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uplqt-0002fn-P3 for emacs-devel@gnu.org; Thu, 20 Jun 2013 16:53:07 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MOP00A00LWZL800@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Thu, 20 Jun 2013 23:53:01 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MOP00ATWM0C4ZB0@a-mtaout22.012.net.il>; Thu, 20 Jun 2013 23:53:01 +0300 (IDT) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.172 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:160785 Archived-At: > From: Lars Magne Ingebrigtsen > Cc: emacs-devel@gnu.org > Date: Thu, 20 Jun 2013 21:52:29 +0200 > > > If the former, perhaps imagemagick is the only library that needs your > > "fast path". The other image libraries don't, as they clearly don't > > write to X (otherwise I couldn't have used them on Windows). > > I can't see anything in the imagemagick code that talks to X, so I think > it's a general Emacs image thingie. IT CANNOT BE TRUE!!!! IF IT WERE TRUE, I COULD NOT HAVE USED IMAGES ON WINDOWS, where there's no X. > Anyway, this has led me to consider this a bit more. Sure, this is > faster than 46 seconds: > > (benchmark-elapse (image-size (create-image "/home/larsi/Catalogue/html/scans/BAD0013/BAD0013-1-l.jpg") t)) > => 0.226372938 > > But on the other hand, the next time we open the file to scale it down, > we'll have to decode the image yet again, which will take 0.23 seconds > once again. If it is in the cache, Emacs will fetch it from there.