From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: Stipples and scroll optimizations Date: Sun, 08 May 2022 15:34:17 +0800 Message-ID: <875ymg5vgm.fsf@yahoo.com> References: <87a6bs5w05.fsf.ref@yahoo.com> <87a6bs5w05.fsf@yahoo.com> <83ilqgwkfw.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23648"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun May 08 09:35:53 2022 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 1nnbSL-0005yi-8C for ged-emacs-devel@m.gmane-mx.org; Sun, 08 May 2022 09:35:53 +0200 Original-Received: from localhost ([::1]:35860 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nnbSJ-0004hF-TN for ged-emacs-devel@m.gmane-mx.org; Sun, 08 May 2022 03:35:51 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58276) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nnbR2-0003rk-8h for emacs-devel@gnu.org; Sun, 08 May 2022 03:34:32 -0400 Original-Received: from sonic316-22.consmr.mail.ne1.yahoo.com ([66.163.187.148]:34415) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nnbR0-0000el-SG for emacs-devel@gnu.org; Sun, 08 May 2022 03:34:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1651995268; bh=U1fDUikZ/Ycju/7Oh5vjz5IDVtA67sUyUoE89u+MFo8=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=iYHcZraXsBSnblHJYzNNpg63UYty2X9DOxcA5lk5M4Aq6xBSAVebAlqXlWjmUrRTX0Gk5h3zwvRCbwZR4n736x0QTTRb/STuFJ/OI608AEB5v2JDjoYVlcSL2MebvD6afEYnIUX0hmuJ3FbaZ4l86s75rQfWDecFTKVXSbsESFrwhwVVG/Z1fZkKWImxDmQM3lS5Ush8xMcH8RSwCo8UAm2UxcFbokNmkVypm7+5iAwDeTVqxBDsVc9FughRYUMzD4qGdXBYkJhRo5dChWweszBhxH12UQBIbSbJwug9N8aRbSHfFuRy25iTmSraVKTtgMxKKmNs7tPOYApJXYws7A== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1651995268; bh=+TTzdFXhPOGcfsA3UAZLVUFo+7RunngUJkaEm7F2ijQ=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=kHmoXMBnJMzf2+HnkcAPi7t457hRoQf+NNKrmxiojEUb4fPXfuIAWmpP3k/1aFKqEoKzi3hC+AH6QThHVXvfH2wcg3+i4QBHK7MVyo176Hh2p6ywLwt2jpFNPOAGBVc3fglUCdmFCcOF1Zay2MLn6zjoGDgJ9cYwRo1qUw2Ie5tddguNhP7/DTU1cUy3ZqPEhRe5SvaVV/hO28TP09V20YFsbqHTcwcQvlf51h49sJlsoYbGFCtIbGCpNx1NFm5D9x6TgkHqMBj9Zzj4fSr8ENlE96TISIVS/OBVPY5wSquLKF0nGfikU0ZJFnk4rTj03Kn0zHyearTtGrv6/pw0cw== X-YMail-OSG: _6JaG0IVM1mrXJLvXlI_RyAnElZVz2wk3Du37BTTaTehIwqUpJcK8iP67hImCNK 66jokT3gaJg.wJm8NI0JmTwEs6PGNOU_dWtV37HGsrJ1KM6FomA9WGVGK6TQYS7BMAWwAA.MMgcW nkIQqPO89tAm1c5mhdPaeYyW.YA2PNS9PLZrTSK2wmtBxg_SDvqaTbcmGWpve3ZNSBdhXF.eHlZS LLNs5hNYkOvsPJS71ZqVRwX36R4jqLHRBZmGckw3SvAH6Z5rtjo8NJl0BD..MofCt39DnUgOkri0 1RjrNs_aH48AfDIDezGMpz.FsYLyBodm4LslriNcistTcRPKZ2gKf9xlsRIROYyXqPi6F6Lgoktq o90lcb1wJtXZtxpa6Ac7izfGEST23JgEi5xAA4iaiUdyocW5_9qdtQSrjEyz3RMyTiNkiF2I_O_. rnEym37Fpq8jig9DU3obumn0Tdku20QycYWU6Iw.9gHjz8DYWMt2_jv1GrS5QDT_zCp_NX7WaCcM niY4tJtfj.szojsDpmZZduYQrEtG9RMh43J6zp_NSdbJjGksxYr7h0HLn2zM6YwoYZZprA4IE7Gy lyCijbnbo3uiNMWK2NBwZCC.Ahc3j_7CVz4oMFPO4o5fjEmJVYXAzV0O71g_eTFKUGHbGSZSZz.F JE5IPy8hXopMP9hUM6BuyXhBDfALhSYiC.60p.gO4ZThy.Bn_.idYNTuvWwonWVTSIln0ygYbry8 rKeZeHGMSLj7c3K1HWQf9VEyYK88vhIo08Sb5xydUMNTBIN3kbpu1tW8iTDpGg4hQOyauLNq63Aa OfC9nsPefT3c32beTE_XGGSCsYb0kv8cUco8fY6azO X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic316.consmr.mail.ne1.yahoo.com with HTTP; Sun, 8 May 2022 07:34:28 +0000 Original-Received: by hermes--canary-production-sg3-795d7b4d54-hh7m8 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 7d73de50a78db3b4cfce058149f43770; Sun, 08 May 2022 07:34:21 +0000 (UTC) In-Reply-To: <83ilqgwkfw.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 08 May 2022 10:30:11 +0300") X-Mailer: WebService/1.1.20188 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.187.148; envelope-from=luangruo@yahoo.com; helo=sonic316-22.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" Xref: news.gmane.io gmane.emacs.devel:289450 Archived-At: Eli Zaretskii writes: > If using scrolling_window in this case causes incorrect display, then > scrolling_window should be disabled. But how would you know, in > update_window or its subroutines, that this is the case? We could make x_draw_glyph_string (and its counterparts) set a flag inside the glyph row if a stipple is encountered, and then test that inside scrolling_window.