GNU bug report logs - #6839
24.0.50; heuristic mask is turned on on gif images willy-nilly

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Katsumi Yamaoka <yamaoka <at> jpl.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#6839: closed (24.0.50; heuristic mask is turned on on gif
 images willy-nilly)
Date: Wed, 18 Aug 2010 07:50:03 +0000

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Your message dated Wed, 18 Aug 2010 16:49:53 +0900
with message-id <b4mocd0tl5q.fsf <at> jpl.org>
and subject line Re: 24.0.50; heuristic mask is turned on on gif images willy-nilly
has caused the GNU bug report #6839,
regarding 24.0.50; heuristic mask is turned on on gif images willy-nilly
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: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: bug-gnu-emacs <at> gnu.org
Cc: emacs-w3m <at> namazu.org
Subject: 24.0.50; heuristic mask is turned on on gif images willy-nilly
Date: Wed, 11 Aug 2010 11:14:34 +0900

Hi,

Some gif images' background will be made transparent.
Please try this:

emacs -Q -bg black -fg white scholartest2009.gif

Where the gif file is:

http://mainichi.jp/life/edu/scholartest/etc/image/scholartest2009.gif

It is due to `create-animated-image' that puts the heuristic mask
property to gif images unconditionally.  image-mode uses it.
Is it intentional?  I hope the `:mask heuristic' element is removed
from `create-animated-image'.

Emacs-w3m uses `create-animated-image' if it is available, instead
of `create-image'.  It causes some gif images to be transparent.

Regards,

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From: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: 6839-done <at> debbugs.gnu.org
Cc: emacs-w3m <at> namazu.org
Subject: Re: 24.0.50; heuristic mask is turned on on gif images willy-nilly
Date: Wed, 18 Aug 2010 16:49:53 +0900

Katsumi Yamaoka wrote:
> Some gif images' background will be made transparent.
> Please try this:

> emacs -Q -bg black -fg white scholartest2009.gif

> Where the gif file is:

> http://mainichi.jp/life/edu/scholartest/etc/image/scholartest2009.gif

> It is due to `create-animated-image' that puts the heuristic mask
> property to gif images unconditionally.  image-mode uses it.
> Is it intentional?  I hope the `:mask heuristic' element is removed
> from `create-animated-image'.

I did it by myself.  Thanks.

> Emacs-w3m uses `create-animated-image' if it is available, instead
> of `create-image'.  It causes some gif images to be transparent.

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