GNU bug report logs - #21870
25.0.50; image now shown after decrypting image file

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Daiki Ueno <ueno <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#21870: closed (25.0.50; image now shown after decrypting
 image file)
Date: Tue, 17 Nov 2015 02:54:02 +0000

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Your message dated Tue, 17 Nov 2015 11:52:53 +0900
with message-id <m3d1v9nxq2.fsf-ueno <at> gnu.org>
and subject line Re: bug#21870: 25.0.50; image now shown after decrypting image file
has caused the debbugs.gnu.org bug report #21870,
regarding 25.0.50; image now shown after decrypting image file
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Dirk-Jan C. Binnema <djcb <at> djcbsoftware.nl>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; image now shown after decrypting image file
Date: Tue, 10 Nov 2015 10:30:44 +0200

It seems the auto-decryption functionality does not work correctly for
encrypted images - that is, decryption works, but then the image is not
shown.

Steps to reproduce:
1) Open an encrypted image file (say, test.jpeg.gpg)
2) Enter the passphrase, when asked (by easypg I assume)
3) Now, see a small rectangle in the upper left of the current window;
   instead of the expected image

Expected behavior would be to see the image, just as if opening
test.jpeg directly.

The mentioned rectangle does seem to point the correct data (when
looking at it with image-toggle-display. 

In GNU Emacs 25.0.50.129 (x86_64-unknown-linux-gnu, GTK+ Version 3.18.2)
 of 2015-11-02
Repository revision: d4352f813a0703cc7f7a873525131b272ef0c105
Windowing system distributor 'Fedora Project', version 11.0.11799902
System Description:	Fedora release 23 (Twenty Three)

Configured using:
 'configure
 PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/local/share/pkgconfig:/usr/lib/pkgconfig::/usr/local/Cellar/sqlite/3.7.15.1/lib/pkgconfig/'

Configured features:
XPM JPEG TIFF GIF PNG IMAGEMAGICK SOUND DBUS GSETTINGS NOTIFY ACL
LIBSELINUX GNUTLS LIBXML2 FREETYPE XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11

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From: Daiki Ueno <ueno <at> gnu.org>
To: Dirk-Jan C. Binnema <djcb <at> djcbsoftware.nl>
Cc: 21870-done <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: Re: bug#21870: 25.0.50; image now shown after decrypting image file
Date: Tue, 17 Nov 2015 11:52:53 +0900

Dirk-Jan C. Binnema <djcb <at> djcbsoftware.nl> writes:

>> Thanks for forwarding.  Hmm, it seems that normal-mode is actually
>> called, but image-mode tries to load the contents from the file, not
>> from the buffer.  Does the following hack look correct?
>>
>> (It seems reading test.jpeg.gz works because ImageMagick supports
>> compressed files.)
>
> Yes -- seems that did the trick. Just tried it with the patch and the
> image is now shown as expected.

Thanks for testing.  Since the check was brittle, I have installed a
slightly modified version to both master and emacs-25:
http://git.sv.gnu.org/cgit/emacs.git/commit/?id=58e62350

Regards,
-- 
Daiki Ueno

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