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Subject: |
25.0.50; --with-cairo does not display PNG on GNU/Linux |
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Date: |
Sat, 23 Jan 2016 00:27:08 -0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 |
To reproduce the problem, configure Emacs --with-cairo, and then run these shell
commands:
wget https://upload.wikimedia.org/wikipedia/commons/f/f5/All_palaeotemps.png
emacs -Q All_palaeotemps.png
Emacs shows a blank (or sometimes garbled) screen instead of the image.
I think the problem is that lookup_rgb_color is returning garbage.
Here are more details about the configuration, built on Fedora 23 x86-64:
In GNU Emacs 25.0.50.55 (x86_64-unknown-linux-gnu, GTK+ Version 3.18.6, cairo
version 1.14.2)
of 2016-01-22 built on penguin.cs.ucla.edu
Repository revision: 27a0919cde7a6dce93aeba63b5ce7d0834f48531
Configured using:
'configure --enable-gcc-warnings --with-cairo'
Configured features:
XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS GCONF
GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF
XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11
Important settings:
value of $LC_ALL: en_US.utf8
value of $LC_COLLATE: en_US.UTF-8
value of $LC_CTYPE: en_US.UTF-8
value of $LC_MESSAGES: en_US.UTF-8
value of $LANG: C
locale-coding-system: utf-8-unix
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--- Begin Message ---
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Subject: |
Re: bug#21110: 25.0.50; Images viewed with Image[Imagemagick] mode are garbled |
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Date: |
Sun, 30 Jun 2019 18:05:45 +0900 |
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User-agent: |
Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (Gojō) APEL/10.8 EasyPG/1.0.0 Emacs/25.3 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) |
On Sun, 30 Jun 2019 17:21:02 +0900,
Robert Marshall wrote:
>
> YAMAMOTO Mitsuharu writes:
> > On Thu, 23 Jul 2015 19:01:20 +0900,
> > Robert Marshall wrote:
> > >
> > > Eli Zaretskii writes:
> > > > > Date: Wed, 22 Jul 2015 16:48:55 +0100
> > > > > From: Robert Marshall <address@hidden>
> > > > > Cc: address@hidden
> > > > >
> > > > > Eli Zaretskii writes:
> > > > > > > From: Robert Marshall <address@hidden>
> > > > > > > Date: Wed, 22 Jul 2015 11:31:35 +0100
> > > > > > >
> > > > > > > I ran emacs -Q imagefile.png
> > > > > > > and on viewing the buffer it consists of garbage which appears
> to be
> > > > > > > assembled from parts of the X display (if required I can
> produce a screenshot)
> > > > > > >
> > > > > > > Same problem is apparent with jpg and gifs.
> > > > > >
> > > > > > Does the problem go away if you configure without Cairo?
> > > > >
> > > > > I'll do a rebuild without Cairo tomorrow
> > > >
> > > > Thanks.
> > >
> > > I can confirm that building without Cairo stops the corruption
> >
> > The cairo image support was substantially rewritten on master of the
> > Emacs git repository. Could you try it and tell us if you are still
> > seeing this problem? Note that the ImageMagick is now disabled by
> > default, so you would need --with-imagemagick as well as --with-cairo.
> >
>
> Yes a fresh build from git with cairo no longer shows the error. This bug can
> be closed!
>
> Thanks
Thanks for testing. Closing the bug.
YAMAMOTO Mitsuharu
address@hidden
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