From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: [Patch] Basic WYSIWYG printing in GNU Emacs Date: Wed, 11 Aug 2021 19:58:39 +0300 Message-ID: <83im0bex4w.fsf@gnu.org> References: <83y299fpmh.fsf@gnu.org> <83zgtodx8j.fsf@gnu.org> <83lf57exgd.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31302"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: atamariya@gmail.com Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Aug 11 19:00:24 2021 Return-path: Envelope-to: ged-emacs-devel@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 1mDraa-0007wQ-BO for ged-emacs-devel@m.gmane-mx.org; Wed, 11 Aug 2021 19:00:24 +0200 Original-Received: from localhost ([::1]:42400 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mDraY-0007yG-8v for ged-emacs-devel@m.gmane-mx.org; Wed, 11 Aug 2021 13:00:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48094) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mDrYf-0005Zx-44 for emacs-devel@gnu.org; Wed, 11 Aug 2021 12:58:25 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38208) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mDrYe-00032x-Sf; Wed, 11 Aug 2021 12:58:24 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:2721 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mDrYe-00065G-Eb; Wed, 11 Aug 2021 12:58:24 -0400 In-Reply-To: <83lf57exgd.fsf@gnu.org> (message from Eli Zaretskii on Wed, 11 Aug 2021 19:51:46 +0300) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:272330 Archived-At: > Date: Wed, 11 Aug 2021 19:51:46 +0300 > From: Eli Zaretskii > Cc: emacs-devel@gnu.org > > > From: Anand Tamariya > > Date: Wed, 11 Aug 2021 21:19:14 +0530 > > Cc: emacs-devel@gnu.org > > > > > Theoretically, there's no dependency except Ghostscript which does most of the heavy lifting for > > printing in > > > Emacs. Fonts other than Truetype might require additional configuration as defined in Ghostscript > > manual. > > > > Could you please point to the code which uses or requires Ghostscript, > > I don't think I see it in the patch you sent. And since you seem to > > be using the HarfBuzz rendering, why do we need Ghostscript at all? > > > > Thanks. > > > > Correction is in order - the screenshot/ rendering within Emacs requires Ghostscript. Printing to printer > > would use OS specific print commands e.g. lpr on *nix. > > Now I'm even more confused. How does one "render within Emacs with > Ghostscript"? Emacs display rendering uses our display engine, which > doesn't need Ghostscript, and AFAIK cannot use it. I guess I'm > misunderstanding something very basic here... To make sure I'm not too confused: you are talking about the code which you posted here in the form of two patches, right? Because that's the only code I looked at, so if you are talking about some other code, I can easily understand why I'm confused.