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.bugs Subject: bug#71454: 30.0.50; Performance issues with font selection Date: Mon, 10 Jun 2024 16:03:41 +0300 Message-ID: <86r0d57xw2.fsf@gnu.org> References: <864ja19fhy.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29418"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 71454@debbugs.gnu.org To: Kai Ma Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jun 10 17:13:42 2024 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 1sGgiL-0007RI-SE for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 10 Jun 2024 17:13:41 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sGghW-0000Ez-4r; Mon, 10 Jun 2024 11:12:50 -0400 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 1sGghT-0000Cp-Lg for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 11:12:47 -0400 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sGghT-0007XO-Cv for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 11:12:47 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sGghk-0003ed-C4 for bug-gnu-emacs@gnu.org; Mon, 10 Jun 2024 11:13:04 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 10 Jun 2024 15:13:04 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 71454 X-GNU-PR-Package: emacs Original-Received: via spool by 71454-submit@debbugs.gnu.org id=B71454.171803233213802 (code B ref 71454); Mon, 10 Jun 2024 15:13:04 +0000 Original-Received: (at 71454) by debbugs.gnu.org; 10 Jun 2024 15:12:12 +0000 Original-Received: from localhost ([127.0.0.1]:40721 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sGggu-0003aV-E5 for submit@debbugs.gnu.org; Mon, 10 Jun 2024 11:12:12 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:47768) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sGggs-0003Zs-VC for 71454@debbugs.gnu.org; Mon, 10 Jun 2024 11:12:11 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sGegZ-0005Dh-Ih; Mon, 10 Jun 2024 09:03:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=ILAboJzMvTvpa9jFvRovgTm1f8GkBJbt7dEygtBZjRE=; b=flPP4aw+ZJZdYjyJghs/ SSsAbAaKXsbTUZMRcBl1GXVjEFewee5CRIxlYOtwOPYCjceJg0NP9EMhA7klZe7hMHcwLViYXrQMY nnIgJFu44M6y7EfRukYrVLElF5G6sIxQON2Uhku+k1XLhiOOPDBQRgphP55qisq2PaeRLBfVYtPTd c8U2gY44dHKmrK1Nst1J+85oSqvT4a5bExOrOk0mtHj/Rk6hFmHDDdN3Hd0uqKOI0jbBzD0URbUnd fv9pev2ZVoV7PSD8SaLU4KpFnKiJsR963DBuN5I8AbMEbdsUCDHpUIWrENag3KAVFmbuvu8DzDxep tY8f4uL00SzDEA==; In-Reply-To: (message from Kai Ma on Mon, 10 Jun 2024 14:34:42 +0200) 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:287041 Archived-At: > From: Kai Ma > Date: Mon, 10 Jun 2024 14:34:42 +0200 > Cc: 71454@debbugs.gnu.org > > I currently use the following config: > > (set-fontset-font t 'han "PingFang TC") > (set-fontset-font t 'kana "PingFang TC") > (set-fontset-font t 'kanbun "PingFang TC") > (set-fontset-font t 'hangul "PingFang TC") > (set-fontset-font t 'cjk-misc "PingFang TC") > (set-fontset-font t 'unicode "PingFang TC" nil 'append) > (set-fontset-font t 'unicode (font-spec :family "Apple Color Emoji") nil 'prepend) > (dolist (thfont '("TH-Feon" "TH-Sy-P0" "TH-Sy-P2" "TH-Sy-P16" "TH-Tshyn-P0")) > (set-fontset-font t 'unicode thfont nil 'append)) > > PingFang TC and Apple Color Emoji are built into macOS, and TH-* fonts are from the Internet to cover a > majority of the Unicode code points. > > For example, 〡〢〣〤〥〦〨〩〸〹〺 belongs to cjk-misc script, and I have to specify a font for it to avoid > delays. FWIW, I get instantaneous display when I copy/paste that text into an "emacs -Q" I just started, even though I have no fonts for the last 3 characters (which means Emacs searches all the fonts installed on the system).