From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#36315: 27.0.50; SVG transparency handling is inaccurate Date: Tue, 25 Jun 2019 21:55:42 +0300 Message-ID: <83a7e5lck1.fsf@gnu.org> References: <83blymnaog.fsf@gnu.org> <83imstli5f.fsf@gnu.org> <20190625184428.GB18019@breton.holly.idiocy.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="106197"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 36315@debbugs.gnu.org, pipcet@gmail.com To: Alan Third Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jun 25 20:57:18 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hfqd3-000RW6-TC for geb-bug-gnu-emacs@m.gmane.org; Tue, 25 Jun 2019 20:57:18 +0200 Original-Received: from localhost ([::1]:34718 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfqd2-0004kb-RE for geb-bug-gnu-emacs@m.gmane.org; Tue, 25 Jun 2019 14:57:16 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55956) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfqcq-0004dJ-FR for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 14:57:07 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hfqco-00020O-QU for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 14:57:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48232) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hfqco-0001zl-Fh for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 14:57:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hfqco-0008Dc-9P for bug-gnu-emacs@gnu.org; Tue, 25 Jun 2019 14:57:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 25 Jun 2019 18:57:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36315 X-GNU-PR-Package: emacs Original-Received: via spool by 36315-submit@debbugs.gnu.org id=B36315.156148896931515 (code B ref 36315); Tue, 25 Jun 2019 18:57:02 +0000 Original-Received: (at 36315) by debbugs.gnu.org; 25 Jun 2019 18:56:09 +0000 Original-Received: from localhost ([127.0.0.1]:33543 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hfqbw-0008CF-SP for submit@debbugs.gnu.org; Tue, 25 Jun 2019 14:56:09 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49821) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hfqbv-0008C3-I5 for 36315@debbugs.gnu.org; Tue, 25 Jun 2019 14:56:08 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:36003) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hfqbo-0000bD-FU; Tue, 25 Jun 2019 14:56:01 -0400 Original-Received: from [176.228.60.248] (port=4242 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hfqbk-0005Y3-CN; Tue, 25 Jun 2019 14:55:58 -0400 In-reply-to: <20190625184428.GB18019@breton.holly.idiocy.org> (message from Alan Third on Tue, 25 Jun 2019 19:44:28 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:161413 Archived-At: > Date: Tue, 25 Jun 2019 19:44:28 +0100 > From: Alan Third > Cc: YAMAMOTO Mitsuharu , > 36315@debbugs.gnu.org, pipcet@gmail.com > > > Maybe it's just me, but I'm uneasy to bypass librsvg and call Cairo > > directly for manipulating SVG images. Why doesn't librsvg provide a > > way to do this via its own APIs? > > > > Does anyone else think it's unusual to make such direct calls to what > > is essentially a lower-level library? > > Librsvg doesn’t provide any way to modify the images. Yes, but neither do any of the other image libraries, right? The issue at hand, I believe, had to do with colors that weren't right. Image transformations are a separate issue, and we already know how to do that for SVG and for other image types.