From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Thomas Jost via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#54040: 29.0.50; Text becomes blurry on PGTK/Wayland Date: Fri, 18 Feb 2022 08:44:00 +0100 Message-ID: <875ypcipq7.fsf@schnouki.net> References: <87bkz5wz5o.fsf@schnouki.net> <87k0dtrnx2.fsf@yahoo.com> <87tucwbpqn.fsf@schnouki.net> <87pmnkr5ef.fsf@yahoo.com> Reply-To: Thomas Jost Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40611"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 54040@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Feb 18 08:48:21 2022 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 1nKy04-000AMN-MX for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 18 Feb 2022 08:48:21 +0100 Original-Received: from localhost ([::1]:48074 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nKy03-00030T-De for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 18 Feb 2022 02:48:19 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:34080) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nKxwv-0000LR-8w for bug-gnu-emacs@gnu.org; Fri, 18 Feb 2022 02:45:07 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59441) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nKxws-0003gI-M1 for bug-gnu-emacs@gnu.org; Fri, 18 Feb 2022 02:45:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nKxws-0001eR-EA for bug-gnu-emacs@gnu.org; Fri, 18 Feb 2022 02:45:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Thomas Jost Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 18 Feb 2022 07:45:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54040 X-GNU-PR-Package: emacs Original-Received: via spool by 54040-submit@debbugs.gnu.org id=B54040.16451702466273 (code B ref 54040); Fri, 18 Feb 2022 07:45:02 +0000 Original-Received: (at 54040) by debbugs.gnu.org; 18 Feb 2022 07:44:06 +0000 Original-Received: from localhost ([127.0.0.1]:53338 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nKxvy-0001d7-Fc for submit@debbugs.gnu.org; Fri, 18 Feb 2022 02:44:06 -0500 Original-Received: from out2.migadu.com ([188.165.223.204]:17150) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nKxvv-0001cu-Nd for 54040@debbugs.gnu.org; Fri, 18 Feb 2022 02:44:04 -0500 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=schnouki.net; s=key1; t=1645170242; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9SghwhRzo5e3skJ9qbTqHwjm2+BKMPvD+I0qE93B/vk=; b=SROZ19xZa8Z8SwUBlFhPDh3JW2icajef8dMTl05fJGgqJXGkJuFoKMw1N4qbn5dYdtICOK rttmIvaRwwe73zmUt/Hvbi6j1r1aNmjDdjMCsYOCZQkROrndgNM/rFtwgMXACMXVBLSbr6 gKZg1gnPl9niGdWgPh0QfdHYwQGkQpWENz1C4+wlnlId4XHNMkbGXTeflpLt/uujJ/uAsj qDnuYaZDY1BdXog4Cvk2nF5TssFW/JJxc+KSSg5q5AmfGxOWc8pG1l0K3yaroVXnsV18dd KznBFumbLRUvqXEb1fYNZE9uHolKNqSIlG6lewqiyyAJYkoQ+A5q3KZQvBaeRw== In-Reply-To: <87pmnkr5ef.fsf@yahoo.com> X-Clacks-Overhead: GNU Terry Pratchett X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: schnouki.net 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:227138 Archived-At: Le 18 f=C3=A9vrier 2022 =C3=A0 15:38 +08, Po Lu a =C3=A9crit : > The reason `cairo_surface_create_similar' doesn't work is that Emacs > recently gained a feature that allows frames to have a transparent > background with opaque text, and surfaces created that way don't work to > preserve the alpha channel when copying bits, so going back to that is > not a solution. That makes sense, thanks a lot for the explanation :) > Does this patch help? > > diff --git a/src/pgtkterm.c b/src/pgtkterm.c > index 65408801cf..54b65ac54e 100644 > --- a/src/pgtkterm.c > +++ b/src/pgtkterm.c > @@ -2927,6 +2927,7 @@ pgtk_copy_bits (struct frame *f, cairo_rectangle_t = *src_rect, > cairo_t *cr; > GdkWindow *window; > cairo_surface_t *surface; /* temporary surface */ > + int scale; >=20=20 > window =3D gtk_widget_get_window (FRAME_GTK_WIDGET (f)); >=20=20 > @@ -2936,6 +2937,9 @@ pgtk_copy_bits (struct frame *f, cairo_rectangle_t = *src_rect, > FRAME_CR_SURFACE_DESIRED_HEIGHT > (f)); >=20=20 > + scale =3D gtk_widget_get_scale_factor (FRAME_GTK_WIDGET (f)); > + cairo_surface_set_device_scale (surface, scale, scale); > + > cr =3D cairo_create (surface); > cairo_set_source_surface (cr, FRAME_CR_SURFACE (f), -src_rect->x, > -src_rect->y); Yes, that seems to solve it for me! --=20 Thomas