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.devel Subject: Re: Text shadows Date: Sun, 12 Mar 2023 14:36:56 +0200 Message-ID: <835yb6uown.fsf@gnu.org> References: <72650A07-DEC8-4E08-A524-5C7AF804F3CB@gmail.com> <83mt4iv3xa.fsf@gnu.org> <83edpuuy9j.fsf@gnu.org> <818EE19C-BF0F-4EB9-802F-C9BDBD280E03@gmail.com> <838rg2urub.fsf@gnu.org> <9F5BA7F8-BB8A-4FF0-AC23-E249C7D471B5@gmail.com> 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="19685"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Kai Ma Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Mar 12 13:37:45 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 1pbKxM-0004vJ-SM for ged-emacs-devel@m.gmane-mx.org; Sun, 12 Mar 2023 13:37:44 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pbKwp-0004KZ-V8; Sun, 12 Mar 2023 08:37:11 -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 1pbKwo-0004Iq-8p for emacs-devel@gnu.org; Sun, 12 Mar 2023 08:37:10 -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 1pbKwn-0007cg-V4; Sun, 12 Mar 2023 08:37:10 -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=ItugBZm0peTjdX1csSBUD4ohD5oZtceyVoUcjWlWexc=; b=q6bwHwOqAgicZzioMsS8 NLwsh1yUDV+f5mHoDD9OJppc4XJ43pmi29+kjxrAIFs5Ieca0HnPECooTHxhKx3Q3z6thHiFeMHML QAOVRsgIo1obOdd+8zgYQXSB8lNT7Z5I0QOGYc+e4uZ2FvUV0w6gE1KH0OyEO10tmfs8Y2I1TcVoI u3nkEEoNPvi7fMHk2J9ebyu5yLOKUu7U9R/tRdL9rJLdBKn0LBYl1P+gNhvXhTNNkXRudClxk6Ap7 Joyi0Nv+fKd0WpASc8d4TWc/6k/acByjVT9Fis/5yYO9oWX3X5wrYwceq14onJ7WrCPRN1sCrKpRI wz0rlcFzsm1gpQ==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pbKwn-0007lp-Dp; Sun, 12 Mar 2023 08:37:09 -0400 In-Reply-To: <9F5BA7F8-BB8A-4FF0-AC23-E249C7D471B5@gmail.com> (message from Kai Ma on Sun, 12 Mar 2023 19:49:40 +0800) 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:304366 Archived-At: > From: Kai Ma > Date: Sun, 12 Mar 2023 19:49:40 +0800 > Cc: emacs-devel@gnu.org > > > > > On Mar 12, 2023, at 19:33, Eli Zaretskii wrote: > > > >> This is already the case: Cairo does not provide a Gaussian blurring function, so I wrote one (named > >> gaussian_blur) in xcairo.c. It is an approximation, not the “True Gaussian Blur”, like Moz2D’s > >> implementation. It only uses one CPU core, but is fast enough for me. > > > > I thought you said gaussian_blur required some Cairo-only extension? > > That's why I wrote the above. > > Sorry if my words were misleading. I didn’t intend to say that. > > gaussian_blur right now only works on Cairo surfaces, but it’s easy to change. Great, then I think we'd love to see it working in non-Cairo builds as well.