From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Kai Ma Newsgroups: gmane.emacs.devel Subject: Re: Text shadows Date: Sun, 12 Mar 2023 12:18:23 +0800 Message-ID: References: <72650A07-DEC8-4E08-A524-5C7AF804F3CB@gmail.com> Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.400.51.1.1\)) 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="21125"; mail-complaints-to="usenet@ciao.gmane.io" To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Mar 12 05:19:11 2023 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 1pbDAt-0005Ku-EC for ged-emacs-devel@m.gmane-mx.org; Sun, 12 Mar 2023 05:19:11 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pbDAP-0000kd-Im; Sat, 11 Mar 2023 23:18:41 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pbDAO-0000kQ-1O for emacs-devel@gnu.org; Sat, 11 Mar 2023 23:18:40 -0500 Original-Received: from mail-pl1-x642.google.com ([2607:f8b0:4864:20::642]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pbDAM-0003DA-Hk for emacs-devel@gnu.org; Sat, 11 Mar 2023 23:18:39 -0500 Original-Received: by mail-pl1-x642.google.com with SMTP id h8so9623604plf.10 for ; Sat, 11 Mar 2023 20:18:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1678594717; h=message-id:in-reply-to:to:references:date:subject:mime-version :content-transfer-encoding:from:from:to:cc:subject:date:message-id :reply-to; bh=Pc2ceXIzhn8vNbZVLALVsZTimQ82m6xKQxxUYscQhYA=; b=Si5DMWGvsZqw0+i6REEPJG7a6N1hZGn6SCbIiZIZi97fkcB1GK6Tu6cOKUq34jP7vI UjTxwnTvxUuAsMpttQoGLHTxkV/oD0J2q8cVpHjiPT8ougiveG0dBpmSdq/wJ7AevhEI j7TdSrGVaBPf+44FgwbAJEGwIDf31VGd4jBoWuq+xybD3xKqlqio6rVmoy1VKKebkOy7 Am0pLsb1ROKvrTEEgqcBpgJhJSxFe6H7etc5Gg+Tv6zMNy6l4s1U+ndMIfw/4HDwOZZo CHCH3Ys9sLHbXCdtPisKWihLpQo2b8Ros+YV6xhW3REtBlfCPC0SkFxm/MoeJWr7WX0A PurQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678594717; h=message-id:in-reply-to:to:references:date:subject:mime-version :content-transfer-encoding:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Pc2ceXIzhn8vNbZVLALVsZTimQ82m6xKQxxUYscQhYA=; b=5rk3MDRDZVFVUD9iFNA9rfMPV7cCIIwnc/hOZ4SNk3aFrkoSptY3NZ1AFyFx4NrHPL rPiw7yPzZPt7jnvwTOv4cJuYEZPj/iC/qLJET6OVPQOpTB/3vXdqenfCoglTzmIduHg6 b6ct/U/84oxNbHDYSH2b0/7PVQ2J8JREVY6AEKS815Fzz8WYiiuUsKRDozuUVTFlmqn6 aHl7Tlyk3DbG6pyZRJtOR+hIYN4BFLLCFT1/vJJsDjq94iDPD0vY3SDhC2gg/hsrESTH 3P4Z0M5KZTPFV3MT5MwtiebiQ7ZkozG/FY/w6sfcL3o85fGhFCU2eboFYvV9QzcSlQgV tYnA== X-Gm-Message-State: AO0yUKUBJxoK2LQtDhvl8+d0lizmWFJD84ogQ6B54CFGLvuf/A5k7SKC gQVEKQbF+g4/67xEPh72XLa66pI1RiVqlBz7RQg= X-Google-Smtp-Source: AK7set9uhhjhuJNM2pp8lOjMKMSb0JZgRKhcKfTJ0jCoZgescBQu3xEMOxkKibG0WpDmQ8Ib21O3cg== X-Received: by 2002:a17:90a:f985:b0:22c:d44:5669 with SMTP id cq5-20020a17090af98500b0022c0d445669mr6870369pjb.22.1678594716676; Sat, 11 Mar 2023 20:18:36 -0800 (PST) Original-Received: from smtpclient.apple ([2404:c800:922f:d3b:9cf2:fcff:fecc:2ed2]) by smtp.gmail.com with ESMTPSA id y12-20020a17090a2b4c00b00234115a2221sm2124089pjc.39.2023.03.11.20.18.35 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 11 Mar 2023 20:18:36 -0800 (PST) In-Reply-To: <72650A07-DEC8-4E08-A524-5C7AF804F3CB@gmail.com> X-Mailer: Apple Mail (2.3731.400.51.1.1) Received-SPF: pass client-ip=2607:f8b0:4864:20::642; envelope-from=justksqsf@gmail.com; helo=mail-pl1-x642.google.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, FROM_LOCAL_NOVOWEL=0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:304347 Archived-At: Let me try to make it more clear=E2=80=A6 > 1. The shadows sometimes should be drawn outside the glyph extents, = but they aren=E2=80=99t drawn. The shadows usually extend beyond the glyph extents, but sometimes they = are limited to the glyph extents, and aren=E2=80=99t drawn. For example, when the user is inputing new characters. > 2. Previously drawn shadows are not cleared, and they even accumulate. = This can be observed with blink-cursor-mode enabled. Shadows drawn outside a glyph extent are sometimes not cleared, and they = accumulate. For example, put the cursor over a character C, which = initially had less shadows around it, but after a few blinks, the = shadows accumulate: .C. :C: ;C; |C| #C#