From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Yuuki Harano Newsgroups: gmane.emacs.bugs Subject: bug#52042: 29.0.50; [feature/pgtk] issue in moving a fullscreen emacs frame from a scale@1x display to a scale@2x display Date: Thu, 02 Dec 2021 00:08:56 +0900 (JST) Organization: Ingage Inc. Message-ID: <20211202.000856.162232917581372790.masm@luna.pink.masm11.me> References: <20211201.005929.360164672494884943.masm@luna.pink.masm11.me> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1031"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 52042@debbugs.gnu.org To: moonsolo@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Dec 01 16:10:23 2021 Return-path: Envelope-to: geb-bug-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 1msRFW-000Ada-LH for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 Dec 2021 16:10:23 +0100 Original-Received: from localhost ([::1]:54956 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1msRFU-0003Ih-Il for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 01 Dec 2021 10:10:20 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:37270) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1msRFC-0003Eu-Pl for bug-gnu-emacs@gnu.org; Wed, 01 Dec 2021 10:10:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33517) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1msRFB-0000JX-Si for bug-gnu-emacs@gnu.org; Wed, 01 Dec 2021 10:10:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1msRFB-0003rQ-M6 for bug-gnu-emacs@gnu.org; Wed, 01 Dec 2021 10:10:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Yuuki Harano Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Dec 2021 15:10:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 52042 X-GNU-PR-Package: emacs Original-Received: via spool by 52042-submit@debbugs.gnu.org id=B52042.163837134714760 (code B ref 52042); Wed, 01 Dec 2021 15:10:01 +0000 Original-Received: (at 52042) by debbugs.gnu.org; 1 Dec 2021 15:09:07 +0000 Original-Received: from localhost ([127.0.0.1]:45063 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1msREI-0003q0-S2 for submit@debbugs.gnu.org; Wed, 01 Dec 2021 10:09:07 -0500 Original-Received: from shiro.masm11.me ([150.95.182.25]:44024) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1msREF-0003pQ-DW for 52042@debbugs.gnu.org; Wed, 01 Dec 2021 10:09:05 -0500 Original-Received: from luna.pink.masm11.me (i153-144-34-242.s41.a033.ap.plala.or.jp [153.144.34.242]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by shiro.masm11.me (Postfix) with ESMTPSA id 0908AC0171; Thu, 2 Dec 2021 00:08:59 +0900 (JST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=masm11.me; s=202002; t=1638371340; bh=NL/9Z/caT+Uq2nP7vgh5kjP6uAqMF8jWjskH2YPMx7s=; h=Date:To:Cc:Subject:From:In-Reply-To:References; b=icphtSYZ5fMD0gyJBxV2MkysTj1hwFMhbHfXo2+X6vUMziSXjuB3Sm8geQ3AngKft nwqOLunrZQ6gwLeAS5mxWoi0eaco+0qOll5BUhxputbgrimK8VNNw8QNwgzeWtoPmG uxe9thtseuVlvuzZs4J+CQBKdsfBfpmolFNBtxVg= In-Reply-To: X-Mailer: Mew version 6.8 on Emacs 29.0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:221204 Archived-At: On Tue, 30 Nov 2021 11:10:37 -0500, Fred Fu wrote: > I don't think three monitors are needed. Two monitors, one scaled@2x > and one @1x, should be enough to reproduce the issue. Reproduced. I have a TV, that can be connected to my note PC, and tried GNOME(Wayland). The PC's monitor is 2x and the TV is 1x. I moved a pgtk emacs frame from the TV to the PC's monitor, and it became blurry. When I resized it, it recovered. > That said, I'd love to help debug this issue on my end, but I don't > know what to start with. Any ideas? I have a cairo_surface_t and draw on it. And I copy it on gtk window when gtk wants so. I don't scale fonts explicitly. Scaling is done implicitly by compositor, gtk, and cairo. My guess: cairo_surface_t is bitmap. On 1x, cairo_surface_t has non-scaled texts, and it is drawn on gtk window as is. When I move it to 2x, cairo_surface_t is drawn on gtk window at double size. It is blurry, because cairo_surface_it is bitmap. When I resize it, I recreate cairo_surface_t of logical size. When that, cairo_surface_t is double size implicitly. cairo_surface_t has 2x scaled texts. It is not blurry, because fonts are vector graphics. It is drawn on gtk window as is. Maybe, I need to recreate cairo_surface_t when monitor is changed. I looked for such a signal but nothing found. -- Yuuki Harano