From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Andy Moreton Newsgroups: gmane.emacs.devel Subject: Re: Testing native image scaling Date: Wed, 27 Mar 2019 19:34:03 +0000 Message-ID: References: <83fttpat8p.fsf@gnu.org> <20190119214543.GA13967@breton.holly.idiocy.org> <834la3b9hd.fsf@gnu.org> <838sx0kzw9.fsf@gnu.org> <831s2skvld.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="241399"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (windows-nt) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Mar 27 20:36:55 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h9EM0-0010by-VB for ged-emacs-devel@m.gmane.org; Wed, 27 Mar 2019 20:36:53 +0100 Original-Received: from localhost ([127.0.0.1]:52656 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h9ELz-0001At-Ra for ged-emacs-devel@m.gmane.org; Wed, 27 Mar 2019 15:36:51 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:43875) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h9ELh-00017P-JY for emacs-devel@gnu.org; Wed, 27 Mar 2019 15:36:34 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h9EJO-0001A1-Lj for emacs-devel@gnu.org; Wed, 27 Mar 2019 15:34:13 -0400 Original-Received: from [195.159.176.226] (port=48396 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h9EJO-00018S-A3 for emacs-devel@gnu.org; Wed, 27 Mar 2019 15:34:10 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.89) (envelope-from ) id 1h9EJM-000x6g-EF for emacs-devel@gnu.org; Wed, 27 Mar 2019 20:34:08 +0100 X-Injected-Via-Gmane: http://gmane.org/ Cancel-Lock: sha1:oiPP9p8+j3K72NHQUw5lvB8G2v0= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:234792 Archived-At: On Wed 27 Mar 2019, Andy Moreton wrote: > On Wed 27 Mar 2019, Eli Zaretskii wrote: > >>> From: Andy Moreton >>> Date: Wed, 27 Mar 2019 18:35:09 +0000 >>> >>> > It seems to work, but maybe I don't know what and how to check. Can >>> > you show what I should expect to see with and without the :scale >>> > attribute, in "emacs -Q"? >>> >>> I would expect a sliced image to be composed of a grid of tiled images >>> instead of a single image, but to have the same visual appearance as the >>> original image. The w32 code does not get this right. >> >> Did insert-sliced-image ever work on Windows, even before scaling was >> added? This works correctly (without native scaling) on the emacs-26 branch. The following forms result in the same visual appearance in the buffer. (insert-image (create-image "splash.png" nil nil)) (insert-sliced-image (create-image "splash.png" nil nil) nil nil 1 1) (insert-sliced-image (create-image "splash.png" nil nil) nil nil 3 5) AndyM