[graphicsmagick 0005153]: gm convert: No decode delegate for postscript

[Mantis Bug Tracker via bug-notifications]

A NOTE has been added to this issue. 
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https://www.opencsw.org/mantis/view.php?id=5153 
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Reported By:                wcohrs
Assigned To:                
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Project:                    graphicsmagick
Issue ID:                   5153
Category:                   packaging
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
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Date Submitted:             2014-02-26 08:17 CET
Last Modified:              2014-02-27 10:09 CET
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Summary:                    gm convert: No decode delegate for postscript
Description: 
SunOS 5.10 Generic_150401-07 i86pc i386 i86pc

gm convert test.ps test.jpg
gm convert: No decode delegate for this image format (test.ps).

GraphicsMagick 1.3.18 2013-03-10 Q16 http://www.GraphicsMagick.org/

pkginfo | grep CSW | grep ghost
application CSWghostscript                   ghostscript - PostScript and
PDF interpreter
application CSWghostscript-fonts             ghostscript_fonts - Fonts and
AFMs for use with GhostScript
application CSWgs                            ghostscript_stub -
Transitional package. Content moved to CSWghostscript
application CSWgsfonts                       gsfonts_stub - Transitional
package. Content moved to CSWghostscript-fonts


the old version work

GraphicsMagick 1.3.12 2010-03-08 Q8 http://www.GraphicsMagick.org/
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 (0010739) laurent (manager) - 2014-02-27 10:09
 https://www.opencsw.org/mantis/view.php?id=5153#c10739 
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Please note that since that's what I use, I'll focus on fixing ImageMagick
for now.

I've determined that the issue happens when IM converts the PNG output of
gs to JPEG. I think it has a problem handling the transparency of the
background.
Keeping it as PNG, the output looks good, but with a transparent
background.

Keeping it as PNG is probably the best solution for now, the file is even
smaller than the JPEG. It should be possible to set a proper white
background too.