From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Native image rotation Date: Sun, 24 Feb 2019 21:23:22 +0200 Message-ID: <837edpng7p.fsf@gnu.org> References: <20190224113050.GA67303@breton.holly.idiocy.org> <83tvgtnoyh.fsf@gnu.org> <83o971nkjo.fsf@gnu.org> <83k1hpniqu.fsf@gnu.org> <838sy5ngok.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="184849"; mail-complaints-to="usenet@blaine.gmane.org" Cc: emacs-devel@gnu.org To: monnier@iro.umontreal.ca Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Feb 24 20:24:03 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gxzNa-000lyP-Lw for ged-emacs-devel@m.gmane.org; Sun, 24 Feb 2019 20:24:02 +0100 Original-Received: from localhost ([127.0.0.1]:54791 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gxzNZ-0005UN-EA for ged-emacs-devel@m.gmane.org; Sun, 24 Feb 2019 14:24:01 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:44870) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gxzMt-0005UH-GD for emacs-devel@gnu.org; Sun, 24 Feb 2019 14:23:20 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:46193) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gxzMp-0004iP-VD; Sun, 24 Feb 2019 14:23:16 -0500 Original-Received: from [176.228.60.248] (port=4335 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gxzMp-0000X2-6T; Sun, 24 Feb 2019 14:23:15 -0500 In-reply-to: <838sy5ngok.fsf@gnu.org> (message from Eli Zaretskii on Sun, 24 Feb 2019 21:13:15 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:233577 Archived-At: > Date: Sun, 24 Feb 2019 21:13:15 +0200 > From: Eli Zaretskii > Cc: emacs-devel@gnu.org > > > From: Stefan Monnier > > Date: Sun, 24 Feb 2019 13:51:17 -0500 > > > > >> The idea was to generate them with Emacs once, and cache the rotated version. > > > AFAIK, that's not what the feature does. It rotates the specified > > > image on the fly. At least that's how image scaling works. > > > > If Emacs's image cache does the caching post-rotation, that should > > work OK. > > AFAIR, it doesn't, at least not on all platforms. Actually, I'm not sure I understand the question. What do you mean by "cache does post-rotation"? A cache -- any cache -- just stores something computed elsewhere. How can a cache rotate anything?