From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Aaron Jensen Newsgroups: gmane.emacs.bugs Subject: bug#32932: 27.0.50; render bugs on macOS Mojave Date: Sat, 1 Feb 2020 08:29:10 -0800 Message-ID: References: <20200129200414.GA60190@breton.holly.idiocy.org> <20200130191154.GA62970@breton.holly.idiocy.org> <20200131202335.GA63701@breton.holly.idiocy.org> <20200201142242.GA25666@breton.holly.idiocy.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="58232"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Robert Pluim , 32932@debbugs.gnu.org To: Alan Third Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 01 17:30:12 2020 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 1ixveu-000F0c-Po for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 01 Feb 2020 08:29:21 -0800 (PST) In-Reply-To: <20200201142242.GA25666@breton.holly.idiocy.org> 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:175565 Archived-At: On Sat, Feb 1, 2020 at 6:22 AM Alan Third wrote: > > I=E2=80=99m now stumped because I can=E2=80=99t actually find any image t= ype in the > documentation that isn=E2=80=99t immutable. I=E2=80=99m sure there must b= e something. > The Mac port appears to be using IOSurfaces, but as far as I can tell > they can be changed underneath you so aren=E2=80=99t much use for just > updating little bits of the Emacs frame at a time. I must be > misunderstanding something. I know nothing, but have you looked into https://developer.apple.com/library/archive/documentation/GraphicsImaging/C= onceptual/drawingwithquartz2d/dq_layers/dq_layers.html ? Aaron