Post any defects you find in the released or beta versions of the ImageMagick software here. Include the ImageMagick version, OS, and any command-line required to reproduce the problem. Got a patch for a bug? Post it here.
fmw42
Posts: 25562 Joined: 2007-07-02T17:14:51-07:00
Authentication code: 1152
Location: Sunnyvale, California, USA
Post
by fmw42 » 2011-06-08T14:50:16-07:00
IM 6.7.0.5 Q16 Mac OSX tiger
Given the following image:
The following works fine if the output is gif:
convert boxes.gif -transparent white boxes_trans.gif
But creates transparency for the black instead of the white when the output is png.
convert boxes.gif -transparent white boxes_trans.png
glennrp
Posts: 1147 Joined: 2006-04-01T08:16:32-07:00
Location: Maryland 39.26.30N 76.16.01W
Post
by glennrp » 2011-06-08T19:22:36-07:00
The problem seems to exist with both Q8 and Q16 builds at least as far back as IM-6.6.6-1.
(but only with Q16 builds recently, at least from 6.6.9-6 and later)
glennrp
Posts: 1147 Joined: 2006-04-01T08:16:32-07:00
Location: Maryland 39.26.30N 76.16.01W
Post
by glennrp » 2011-06-08T21:22:39-07:00
Fixed in IM-6.7.0-7, SVN revision 4608.
fmw42
Posts: 25562 Joined: 2007-07-02T17:14:51-07:00
Authentication code: 1152
Location: Sunnyvale, California, USA
Post
by fmw42 » 2011-06-08T21:38:03-07:00
glennrp wrote: Fixed in IM-6.7.0-7, SVN revision 4608.
Thanks Glenn,
Fred
fmw42
Posts: 25562 Joined: 2007-07-02T17:14:51-07:00
Authentication code: 1152
Location: Sunnyvale, California, USA
Post
by fmw42 » 2011-06-13T13:13:09-07:00
thanks glenn,
this issue seems to be fixed in IM 6.7.0.7 Q16 Mac OSX tiger
this now works correctly.
convert boxes.gif -transparent white boxes_trans.png
Fred