From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Layered display API Date: Wed, 06 Aug 2014 16:48:12 -0400 Message-ID: References: <86tx5r7l1j.fsf@yandex.ru> <53E097F7.5050407@gmx.at> <53E0ABF9.7070506@yandex.ru> <8338dbqcai.fsf@gnu.org> <53E14AF4.6050804@yandex.ru> <83k36mpbxg.fsf@gnu.org> <53E22245.4070307@yandex.ru> <8361i5pmch.fsf@gnu.org> <83r40to431.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1407360705 28189 80.91.229.3 (6 Aug 2014 21:31:45 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 6 Aug 2014 21:31:45 +0000 (UTC) Cc: Alp Aker , emacs-devel@gnu.org, dgutov@yandex.ru, rudalics@gmx.at To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Aug 06 23:31:39 2014 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 1XF8ny-0002ZB-C4 for ged-emacs-devel@m.gmane.org; Wed, 06 Aug 2014 23:31:30 +0200 Original-Received: from localhost ([::1]:41484 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XF8nx-0000UM-RI for ged-emacs-devel@m.gmane.org; Wed, 06 Aug 2014 17:31:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41321) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XF88L-0008FE-Gd for emacs-devel@gnu.org; Wed, 06 Aug 2014 16:48:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XF88D-0007dz-PZ for emacs-devel@gnu.org; Wed, 06 Aug 2014 16:48:29 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:63042) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XF885-0007cO-Tj; Wed, 06 Aug 2014 16:48:13 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGAIDvNVPAqyKr/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMQCzQSFBgNJIgECNIZF456B4Q4AQOrA4NMIQ X-IPAS-Result: ArUGAIDvNVPAqyKr/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMQCzQSFBgNJIgECNIZF456B4Q4AQOrA4NMIQ X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="82320294" Original-Received: from 192-171-34-171.cpe.pppoe.ca (HELO pastel.home) ([192.171.34.171]) by ironport2-out.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 06 Aug 2014 16:48:12 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id BB39262E53; Wed, 6 Aug 2014 16:48:12 -0400 (EDT) In-Reply-To: <83r40to431.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 06 Aug 2014 21:39:14 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 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:173460 Archived-At: >> > How is this different from displaying bitmaps that fill the whole >> > height of a screen line, so that adjacent bitmaps don't leave any >> > pixels between them? >> With a positive value of line-spacing, this approach doesn't suffice: >> you'll get gaps between the bitmaps. > Something that should be easy enough to fix, no doubt. Currently, it's rather hard, since the height of a line depends on many other things (such as the content of the line) and there's no functionality to re-compute the pixmap to display in the margin once we know the line height. Stefan