Last modified: 2013-02-04 15:57:49 UTC

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Bug 43454 - Dirty background shown on scaled GIF images due to imagemagick's convert tool
Dirty background shown on scaled GIF images due to imagemagick's convert tool
Status: NEW
Product: Wikimedia
Classification: Unclassified
General/Unknown (Other open bugs)
unspecified
All All
: Low minor (vote)
: ---
Assigned To: Nobody - You can work on this!
: upstream
Depends on:
Blocks: 41371
  Show dependency tree / graph
 
Reported: 2012-12-27 05:12 UTC by Liangent
Modified: 2013-02-04 15:57 UTC (History)
1 user (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description Liangent 2012-12-27 05:12:16 UTC 
Compare http://upload.wikimedia.org/wikipedia/zh/e/eb/CASC.gif and http://upload.wikimedia.org/wikipedia/zh/thumb/e/eb/CASC.gif/220px-CASC.gif

P.S. We don't have an "image scaler" bugzilla component?
Comment 1 Andre Klapper 2012-12-31 11:46:09 UTC 
(In reply to comment #0)
> P.S. We don't have an "image scaler" bugzilla component?

That's bug 41371.
Comment 2 Marco 2013-01-28 18:40:58 UTC 
(In reply to comment #0)
I can not see anything wrong with the image and it's thumbnail.
(There is some #fefefe-white as background in the source gif file. If this is the problem, I could easily fix that for you)
Comment 3 Liangent 2013-01-29 01:29:23 UTC 
(In reply to comment #2)
> (In reply to comment #0)
> I can not see anything wrong with the image and it's thumbnail.
> (There is some #fefefe-white as background in the source gif file. If this is
> the problem, I could easily fix that for you)

I'm talking about those #f6f9fe pixels.
Comment 4 Liangent 2013-01-29 01:33:15 UTC 
More precisely, those #fefefe are darkened into #f6f9fe, and lose a clear boundary.
Comment 5 Marco 2013-02-01 13:36:25 UTC 
This seems to be an upstream bug of imagemagick's convert command line tool. (I could reproduce similar results). You may file a bug at http://www.imagemagick.org/discourse-server/viewforum.php?f=3
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