From: Eli Zaretskii <eliz@gnu.org>
To: "Alex Schröder" <kensanata@gmail.com>
Cc: 30670@debbugs.gnu.org
Subject: bug#30670: 26.0.91; PNG files on Windows
Date: Fri, 02 Mar 2018 16:05:52 +0200 [thread overview]
Message-ID: <83efl2wp1b.fsf@gnu.org> (raw)
In-Reply-To: <CAORWZRdovLotZ4pfpUnO0WUy+H+6JF_qL_M8f53PTvVWJ5acsw@mail.gmail.com> (message from Alex Schröder on Fri, 2 Mar 2018 09:45:53 +0000)
> From: Alex Schröder <kensanata@gmail.com>
> Date: Fri, 2 Mar 2018 09:45:53 +0000
> Cc: 30670@debbugs.gnu.org
>
> How do you invoke Emacs from that installation?
>
> From a shortcut in my startmenu.
>
> Target: "C:\Portable Programs\emacs-26.0.91-x86_64\bin\runemacs.exe"
> Start in: %HOMEPATH%
>
> %HOMEPATH% is set to \Users\asc
>
> Are there any other versions of libpng16-16.dll on that system?
>
> I ran the following:
> $ find.exe / -name libpng16-16.dll
> /cygdrive/c/Portable Programs/emacs-26.0.91-x86_64/bin/libpng16-16.dll
> /cygdrive/c/Portable Programs/inkscape/libpng16-16.dll
> /cygdrive/c/Program Files/emacs-25.1-x86_64-w64-mingw32/bin/libpng16-16.dll
>
> I found the old C:\Program Files\emacs-25.1-x86_64-w64-mingw32\bin on my path, removed it and restarted
> Emacs, verified that it was not listed in (getenv "PATH"), but no luck. I still cannot display PNG images.
>
> Does pngfix.exe work (it should be in the same directory as
> libpng16-16.dll)?
>
> Yes it does.
>
> $ ./pngfix ../lib/python2.7/idlelib/Icons/idle_16.png
> IDAT OK maximum 12 12 1070 2064 ../lib/python2.7/idlelib/Icons/idle_16.png
>
> And finally, what is the value of libpng-version in your Emacs?
>
> libpng-version
> 10634
Strange. I can only suggest stepping with a debugger through
init_png_functions, to see what exactly fails there and why.
next prev parent reply other threads:[~2018-03-02 14:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-01 19:23 bug#30670: 26.0.91; PNG files on Windows kensanata
2018-03-01 19:29 ` Eli Zaretskii
2018-03-01 20:25 ` Alex Schröder
2018-03-02 9:06 ` Eli Zaretskii
2018-03-02 9:45 ` Alex Schröder
2018-03-02 14:05 ` Eli Zaretskii [this message]
2018-03-02 14:17 ` Alex Schröder
2018-03-02 14:51 ` Eli Zaretskii
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