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List:       graphicsmagick-help
Subject:    Re: [GM-help] IDAT: invalid distance too far back
From:       GLENN PEHRSON <glennrp () comcast ! net>
Date:       2017-06-02 20:27:00
Message-ID: 570715349.53347.1496435220911 () connect ! xfinity ! com
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> On June 2, 2017 at 10:41 AM Przemysław Sobala <przemyslaw.sobala@gmail.com> wrote:
> 
> 
> Hi
> 
> I've got an image that fails during conversion with error:
> 
> 
> 
> IDAT: invalid distance too far back (gtkpod-main01-666a3ca4fb08a567d0.png)
> 
> http://m.komorkomania.pl/gtkpod-main01-666a3ca4fb08a567d0.png
> 
> It can be open with FFmpeg, Firefox and Chrome but cannot with eog, gimp or \
> kolourpaint. Is it somehow curruped? Can GraphicsMagick handle that kind of \
> corruption and convert it anyway like e.g. FFmpeg does? 
> --
> Regards
> Przemysław Sobala
> 

Try running pngfix which comes with libpng16.


Glenn
 

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<!DOCTYPE html>
<html><head>
    <meta charset="UTF-8">
</head><body><p><br></p><blockquote type="cite">On June 2, 2017 at 10:41 AM \
Przemysław Sobala &#60;przemyslaw.sobala@gmail.com&#62; wrote:<br><br><p><span \
style="font-family: Helvetica,Arial,sans-serif;">Hi</span></p><p><span \
style="font-family: Helvetica,Arial,sans-serif;">I&#39;ve got an image that fails \
during conversion with error<strong>:<br> \
</strong></span></p><p>&#160;<br></p><p><strong style="font-weight: normal;" \
id="ox-c726a5d2f9-docs-internal-guid-38eb4528-693d-da9d-e7e7-19ba7f563f1a"><span \
style="font-size: 11pt; font-family: Arial; color: #000000; background-color: \
transparent; font-weight: 400; font-style: normal; font-variant: normal; \
text-decoration: none; vertical-align: baseline;">IDAT: invalid distance too far back \
(gtkpod-main01-666a3ca4fb08a567d0.png)</span></strong></p><p><span \
style="font-family: Helvetica,Arial,sans-serif;"> <a \
class="ox-c726a5d2f9-moz-txt-link-freetext" \
href="http://m.komorkomania.pl/gtkpod-main01-666a3ca4fb08a567d0.png">http://m.komorkomania.pl/gtkpod-main01-666a3ca4fb08a567d0.png</a><strong><br> \
</strong></span></p><p><span style="font-family: Helvetica,Arial,sans-serif;">It can \
be open with FFmpeg, Firefox and Chrome but cannot with eog, gimp or kolourpaint. Is \
it somehow curruped? Can GraphicsMagick handle that kind of corruption and convert it \
anyway like e.g. FFmpeg does?</span></p><p><span style="font-family: \
Helvetica,Arial,sans-serif;">--<br> Regards<br> Przemysław Sobala<br> \
</span></p></blockquote><p>Try running pngfix which comes with \
libpng16.</p><p><br></p><p>Glenn<br>&#160;</p><blockquote \
type="cite">------------------------------------------------------------------------------<br>Check \
out the vibrant tech community on one of the world&#39;s most<br>engaging tech sites, \
Slashdot.org! http://sdm.link/slashdot_______________________________________________<br>Graphicsmagick-help \
mailing list<br>Graphicsmagick-help@lists.sourceforge.net<br>https://lists.sourceforge.net/lists/listinfo/graphicsmagick-help<br></blockquote></body></html>
  
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