From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Alan Third Newsgroups: gmane.emacs.bugs Subject: bug#39736: 27.0.60; wrong display of scaled checkerd pattern image Date: Mon, 24 Feb 2020 22:39:04 +0100 (CET) Message-ID: <20200224213900.GA71802@breton.holly.idiocy.org> References: <86k14epuj5.fsf@gmail.com> <20200224190516.GA69863@breton.holly.idiocy.org> <83v9nvhjps.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="18320"; mail-complaints-to="usenet@ciao.gmane.io" Cc: ynyaaa@gmail.com, 39736@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Feb 24 22:46:07 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 1j6LYF-0004bD-NM for geb-bug-gnu-emacs@m.gmane-mx.org; 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Mon, 24 Feb 2020 22:39:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1582580347; s=20200222-6h9o; d=idiocy.org; i=alan@idiocy.org; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version:Content-Type:Content-Transfer-Encoding:In-Reply-To; l=1026; bh=1FFwlqzcqqLc7r5G6ctHx7Cavmgi9oYVyCehpcGzvbc=; b=i4v755mCVI7TTnQj+owCgesexAdDtwUaqQhTsbiqPhN6PZcSUMBcN62u7hgGwi/y gCepBel+z+90xslgMNU2wBU+HwXLar+dPaCpsR+PtaWhs7gPdpLtn7hcYVOzday/Wnu QSZoDC0j7vskRxUVjGnSBlZ/JkC+OOkKVusyZq0EnPblw0h/+WixNl3Su0ZOW+Z9srk VIz6rFDSLNcxiROlwXZeLzW6aJD+4cmhzQUHJkBsGO47OZkApV0tGISVcDdIaN9rBH/ m1teelabsRmVd3nR6ITPN+Z6uB3H4cgbntmPla4UEHRlbhXzbYMHOhUyqgIri1EM5oq tDgwjPqVrw== Original-Received: by smtp.mailfence.com with ESMTPA ; Mon, 24 Feb 2020 22:39:03 +0100 (CET) Content-Disposition: inline In-Reply-To: <83v9nvhjps.fsf@gnu.org> X-ContactOffice-Account: com:241649512 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:176450 Archived-At: On Mon, Feb 24, 2020 at 09:24:31PM +0200, Eli Zaretskii wrote: > > Date: Mon, 24 Feb 2020 20:05:23 +0100 (CET) > > From: Alan Third > > Cc: 39736@debbugs.gnu.org > > > > > Evaluating the form below, a solid gray square is displayed. > > > > > > (let ((data "\ > > > P1 > > > 8 8 > > > 01010101 > > > 10101010 > > > 01010101 > > > 10101010 > > > 01010101 > > > 10101010 > > > 01010101 > > > 10101010 > > > ")) > > > (insert-image (create-image data 'pbm t :scale 8))) > > > > I believe this is the same as bug#38394. Could you perhaps try the > > patch at > > > > https://debbugs.gnu.org/cgi/bugreport.cgi?bug=38394 > > The OP is on MS-Windows, and the patch is for XRender configurations, > so it won't help, I think. Ah, I missed that. Thanks for pointing it out. The problem is likely something similar, though, where there’s some sort of filtering going on, which is definitely wanted when scaling the image down, but is less welcome when scaling up. -- Alan Third