From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Drew Adams" Newsgroups: gmane.emacs.bugs Subject: bug#7716: 23.2.91; Pretest Windows binary doesn't support PNG images Date: Mon, 10 Jan 2011 20:41:26 -0800 Message-ID: <992A1FF535834870AA382D0C5871D019@us.oracle.com> References: <96CD750011454F0284E48443756AFAFE@us.oracle.com> <2CBDA6B5DFE94625B7148D772661D4DC@us.oracle.com> <83wrn0e4bl.fsf@gnu.org> <83pqsrebkk.fsf@gnu.org> <83bp4bdtrd.fsf@gnu.org> <0BCD9F01D7EF490E95DBE4B7A6114995@us.oracle.com> <8362ujdmdu.fsf@gnu.org> <9E74C35E9AFE4DB6942F94A6264F6621@us.oracle.com> <834oa3dkv5.fsf@gnu.org> <65313A23AC1747308EF7F0DE349A99C1@us.oracle.com> <4A871458F8874E7D89CBB8D1A34E05A5@us.oracle.com> <83y66shyma.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1294721665 6650 80.91.229.12 (11 Jan 2011 04:54:25 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 11 Jan 2011 04:54:25 +0000 (UTC) Cc: sean.sieger@gmail.com, 7716@debbugs.gnu.org To: "'Eli Zaretskii'" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jan 11 05:54:21 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PcWFQ-0000aY-Aa for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 10 Jan 2011 20:41:27 -0800 Original-Received: from dradamslap1 (/10.159.216.144) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 10 Jan 2011 20:41:26 -0800 X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <83y66shyma.fsf@gnu.org> Thread-Index: AcuxRRhg45HueSr0TgOYdHb3pasvRQAApDcA X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Mon, 10 Jan 2011 23:35:01 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:43256 Archived-At: > > PNG is still not displayed in the latest Windows build I have: > > GNU Emacs 24.0.50.1 (i386-mingw-nt5.1.2600) of 2011-01-03 on 3249CTO > > What's the value of the variable libpng-version, libpng-version's value is 10403 Documentation: Not documented as a variable. > and what version of libpng do you have installed? How would I know? Looking at Properties > Version for each of these files: libpng3.dll, File version: 1.2.37.3442 libpng12.dll, File version: 1.2.37.3442 libpng13.dll, File version: 1.2.8.1799 No idea what any of those mean, of if they have anything to do with the "version of libpng" I have installed. I picked up the libpng (and other) dlls from where you and Sean said to pick them up (GNUWin32) after the date when you told me where to get them. PNG didn't work then, and it still doesn't work now. > These two need to match; see README.W32 > in the distro, under "Image libraries". There is no "Image libraries" in README.W32. There is a heading "Image support", with this text about PNG: PNG: requires the PNG reference library 1.4 or later, which will be named libpng14.dll or libpng14-14.dll. LibPNG requires zlib, which should come from the same source as you got libpng. Starting with Emacs 23.3, the precompiled Emacs binaries are built with libpng 1.4.x and later, and are incompatible with earlier versions of libpng DLLs. So if you have libpng 1.2.x, the PNG support will not work, and you will have to download newer versions. Where does that leave us? The only LibPng setup file I see at GNUWin32 is 1.2.37: http://gnuwin32.sourceforge.net/packages/libpng.htm (libpng-1.2.37-setup.exe). I also installed (the latest) ImageMagick more recently, because Tassilo Horn suggested it would enable me to see Windows *.ico images. But it does not. He has since guessed that Emacs itself needs to have been built with ImageMagick present in order for it to help with .ico files.