From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Magne Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: Re: Accessing rendered image data Date: Tue, 28 Jun 2016 18:30:45 +0200 Message-ID: References: <83ziq5waa9.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1467131543 22265 80.91.229.3 (28 Jun 2016 16:32:23 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 28 Jun 2016 16:32:23 +0000 (UTC) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jun 28 18:32:11 2016 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 1bHvvk-0000Ne-Fc for ged-emacs-devel@m.gmane.org; Tue, 28 Jun 2016 18:32:08 +0200 Original-Received: from localhost ([::1]:38094 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bHvvj-0006Or-NW for ged-emacs-devel@m.gmane.org; Tue, 28 Jun 2016 12:32:07 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38696) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bHvua-0006EA-8T for emacs-devel@gnu.org; Tue, 28 Jun 2016 12:31:00 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bHvuV-0000zh-Iq for emacs-devel@gnu.org; Tue, 28 Jun 2016 12:30:55 -0400 Original-Received: from hermes.netfonds.no ([80.91.224.195]:57939) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bHvuV-0000zW-Bq; Tue, 28 Jun 2016 12:30:51 -0400 Original-Received: from cm-84.215.1.64.getinternet.no ([84.215.1.64] helo=stories) by hermes.netfonds.no with esmtpsa (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.84_2) (envelope-from ) id 1bHvuR-0004oI-6i; Tue, 28 Jun 2016 18:30:50 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAFVBMVEU4AAk+AQ5JBBKNLiap UDTBjFhhDxtEMaRpAAACYElEQVQ4jU2Uz5KbMAzGBd3mjGkm58U7w3lbG87pWuQBip1zArt6/0fo J0HSeiZhop/175MIUeU/w8ATl3+HpzITzveplKGU/AQXETFQHiDP9vjT+0XBgcN4vJY5c0r4hOHD N70Caoi8f+MYxiCjdK33dFJ71dBBhDNPKYksnWs72jxqQraVA06SToGz5LBe1BZCLGVxzjVd21vu y1cuGQ4McKfKNb71AC85TVp9Zh7yfCdyru0VfJa0N5aHsgNREJ8AZ75tQHNEfnpMBirnFNQhPgSc VxUPZVUKDoHZkk8l3wIcOg2FPr49AM7Prw+MwTkvIwDj7DnkmN8NrAFtYDA7mA9HNAjQrwj1pWCL dfZtogpa9fCoB2taSb6ZpJC9XxP1g01ZydXsGI3vJZJEvQudeDpvoFUgALgMgLZfN1D/B9Adhq3N vkMRxNoAWxL+DaHTuaYKsWQlYUvMUz5TzQkevjOwPkC5Vad4uauGzkKZIjlxRs74oZuAPiRYDsRJ fNWUC6atzxV9qLjMiWUDmz0oiBoJC7V0ABoe9sDmUVJYR9zegO5dZDoBcJJVDHTOhwjAbJNNI3ZR BOBOpxX7jrvUr9iSxX/CvIjc6ICf2gGhAL4sP5IGEnmtei0f9WvyNPo4oj14NLVsoFhV4xvDbprW 674bBn4dFSxgAHEHmmOU0dt5pdZCYTykXYrX9w6H6AQAKSb1SEEskPcdZmggFy2Xg+lnkajWnHtV 4QnshdSy8CdANTZCOlO8MRCmrNuBNYKt0S9zgESFN1AjCoqB2wawSLppWgeqqdXNwEsJJspfuGEA F8A+QJgAAAAASUVORK5CYII= In-Reply-To: <83ziq5waa9.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 28 Jun 2016 19:25:18 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 80.91.224.195 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:204869 Archived-At: Eli Zaretskii writes: >> From: Lars Magne Ingebrigtsen >> Date: Tue, 28 Jun 2016 15:52:40 +0200 >> >> If I have an image in a buffer, is there a way to access the displayed >> image glyph data from Emacs Lisp? > > What data, specifically? The glyph structure is very large. In > general, it is only accessible from C, but maybe what you want can be > had in Lisp. All the data from the image glyph, so that I can see what has been rendered where... It's probably impractically slow to do anything useful with that data from Lisp, though, so I'm not sure it's something that would actually be useful. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no