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#34873: 27.0.50; Creating unibyte string in emacs modules Date: Sat, 16 Mar 2019 18:17:08 +0200 Message-ID: <83muluyet7.fsf@gnu.org> References: <83ef77z371.fsf@gnu.org> <88B2D883-45AD-4432-9FE1-D4E24709E294@gmail.com> <831s37ypra.fsf@gnu.org> <07AE3DD5-8AEB-4A7C-B4D3-B20D1593E8DF@gmail.com> 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="223576"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 34873@debbugs.gnu.org To: lg.zevlg@gmail.com Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Mar 16 17:18:12 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 (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h5C0h-000w2x-A8 for geb-bug-gnu-emacs@m.gmane.org; Sat, 16 Mar 2019 17:18:11 +0100 Original-Received: from localhost ([127.0.0.1]:43812 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h5C0g-0003ff-3d for geb-bug-gnu-emacs@m.gmane.org; Sat, 16 Mar 2019 12:18:10 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:35753) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h5C0Z-0003fP-9s for bug-gnu-emacs@gnu.org; Sat, 16 Mar 2019 12:18:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h5C0Y-000809-Jr for bug-gnu-emacs@gnu.org; Sat, 16 Mar 2019 12:18:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33131) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1h5C0Y-0007zz-9q for bug-gnu-emacs@gnu.org; Sat, 16 Mar 2019 12:18:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1h5C0Y-0008UP-1U for bug-gnu-emacs@gnu.org; Sat, 16 Mar 2019 12:18:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 16 Mar 2019 16:18:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34873 X-GNU-PR-Package: emacs Original-Received: via spool by 34873-submit@debbugs.gnu.org id=B34873.155275305232591 (code B ref 34873); Sat, 16 Mar 2019 16:18:01 +0000 Original-Received: (at 34873) by debbugs.gnu.org; 16 Mar 2019 16:17:32 +0000 Original-Received: from localhost ([127.0.0.1]:46675 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h5C04-0008Tb-2w for submit@debbugs.gnu.org; Sat, 16 Mar 2019 12:17:32 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:49529) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1h5C02-0008TN-AM for 34873@debbugs.gnu.org; Sat, 16 Mar 2019 12:17:30 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:33596) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h5Bzx-0007iM-0N; Sat, 16 Mar 2019 12:17:25 -0400 Original-Received: from [176.228.60.248] (port=3016 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1h5Bzw-0004Pw-3M; Sat, 16 Mar 2019 12:17:24 -0400 In-reply-to: <07AE3DD5-8AEB-4A7C-B4D3-B20D1593E8DF@gmail.com> (lg.zevlg@gmail.com) 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:156410 Archived-At: > From: lg.zevlg@gmail.com > Date: Sat, 16 Mar 2019 16:28:05 +0100 > Cc: 34873@debbugs.gnu.org > > wand-mode does many trickery on images in very fast fasion, and it needs method to display previews/results in Emacs buffer. Result of image manipulation is raw rgb(a) data that seats in user-ptr available from imagemagick without any copying. I want `create-image’ with :format ‘image/x-rgb to accept this user-ptr as data to make image creation fast > > Method proposed by Stefan with make_string/encode-coding-string works, but its speed is far from being usable on big images. There is no method just to use data as-is to make things fast I'd prefer to provide a way to use user-ptr objects for this purpose, rather than allow unibyte strings to be created by modules. The latter is a slippery slope which I think we should rather avoid. Can you propose a patch that uses user-ptr instead? Thanks.