From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.help Subject: Re: How to get the actual face attribute? Date: Sun, 21 Jun 2020 18:03:55 +0300 Message-ID: <83bllcv4th.fsf@gnu.org> References: <60C41409-88B0-4F21-AC6D-2F18394A7C46@gmail.com> <83ftaov5c1.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="112919"; mail-complaints-to="usenet@ciao.gmane.io" To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jun 21 17:04:52 2020 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jn1We-000TIL-4V for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 21 Jun 2020 17:04:52 +0200 Original-Received: from localhost ([::1]:37718 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jn1Wd-0004fB-6Y for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 21 Jun 2020 11:04:51 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39862) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jn1Vs-0004d1-Ta for help-gnu-emacs@gnu.org; Sun, 21 Jun 2020 11:04:04 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:53498) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jn1Vs-0004Fa-JR for help-gnu-emacs@gnu.org; Sun, 21 Jun 2020 11:04:04 -0400 Original-Received: from [176.228.60.248] (port=2538 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jn1Vp-00016s-Gz for help-gnu-emacs@gnu.org; Sun, 21 Jun 2020 11:04:04 -0400 In-Reply-To: (message from Yuan Fu on Sun, 21 Jun 2020 10:55:38 -0400) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:123414 Archived-At: > From: Yuan Fu > Date: Sun, 21 Jun 2020 10:55:38 -0400 > Cc: help-gnu-emacs@gnu.org > > >> When writing my package I need to get height of the face at point. But `face-attribute` doesn’t take face remapping into account, which gives wrong answers. Is there a reliable way to get the actual face attribute that’s used for display? Thanks. > > > > From Lisp or from C? > > From Lisp. You could try calling vertical-motion to move past that line, then use posn-at-point in the position where you arrived to see how many pixels you moved. (Completely untested.)