From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Miles Bader Newsgroups: gmane.emacs.devel Subject: Re: PNG image files with alpha channel Date: Fri, 09 May 2008 09:43:59 +0900 Message-ID: <87iqxoxq5s.fsf@catnip.gol.com> References: <87ve1pdnjq.fsf@stupidchicken.com> <4822EC6F.6000703@gnu.org> <87zlr0yh2y.fsf@catnip.gol.com> <482319D6.1020308@gnu.org> Reply-To: Miles Bader NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1210293910 11616 80.91.229.12 (9 May 2008 00:45:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 9 May 2008 00:45:10 +0000 (UTC) Cc: Chong Yidong , emacs-devel@gnu.org, Jason Rumney To: James Cloos Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri May 09 02:45:45 2008 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1JuGjP-00033V-Ov for ged-emacs-devel@m.gmane.org; Fri, 09 May 2008 02:45:04 +0200 Original-Received: from localhost ([127.0.0.1]:42409 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JuGih-0005qY-AD for ged-emacs-devel@m.gmane.org; Thu, 08 May 2008 20:44:19 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JuGic-0005o8-K1 for emacs-devel@gnu.org; Thu, 08 May 2008 20:44:14 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JuGib-0005nr-67 for emacs-devel@gnu.org; Thu, 08 May 2008 20:44:14 -0400 Original-Received: from [199.232.76.173] (port=45382 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JuGib-0005no-3X for emacs-devel@gnu.org; Thu, 08 May 2008 20:44:13 -0400 Original-Received: from smtp11.dentaku.gol.com ([203.216.5.73]:43687) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JuGiS-0004QW-CO; Thu, 08 May 2008 20:44:04 -0400 Original-Received: from 203-216-99-062.dsl.gol.ne.jp ([203.216.99.62] helo=catnip.gol.com) by smtp11.dentaku.gol.com with esmtpa (Dentaku) id 1JuGiO-0001jx-4i; Fri, 09 May 2008 09:44:00 +0900 Original-Received: by catnip.gol.com (Postfix, from userid 1000) id 3A8272F4D; Fri, 9 May 2008 09:43:59 +0900 (JST) System-Type: i686-pc-linux-gnu In-Reply-To: (James Cloos's message of "Thu, 08 May 2008 19:47:00 -0400") Original-Lines: 13 X-Virus-Scanned: ClamAV GOL (outbound) X-Abuse-Complaints: abuse@gol.com X-detected-kernel: by monty-python.gnu.org: Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:96838 Archived-At: James Cloos writes: > Jason> Is there any program that can dump a PNG header in some readable > Jason> format, so we can compare yours with the image that Gimp saves? > > Yes. ESR's Sng converts between binary png files and a sexp notation. Not necessary anymore, I think -- it seems that the "gimped" versions worked because the gimp chopped them down to 8 bits per channel... -Miles -- My books focus on timeless truths. -- Donald Knuth