[gs-bugs] [Bug 692380] When converting PostScript to PDF, images appear as black boxes

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Fri Jul 29 13:30:55 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692380

Ken Sharp <ken.sharp at artifex.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #3 from Ken Sharp <ken.sharp at artifex.com> 2011-07-29 13:30:54 UTC ---
(In reply to comment #2)
> Downgrading severity, this has apparently been a problem for a long time, is
> not a regression and does not affect a commercial customer.

This appears to be an Acrobat bug. Ghostscript, Jaws and the Apple PDF viewer
all display the resulting PDF correctly. MuPDF, like Acrobat, displays a black
rectangle but this is a known limitation of MuPDF which, in its current
version, does not handle Type 3 font glyphs which use colour.

It seems Acrobat suffers the same limitation at least for glyphs using colour
images.

It is possible that there is a pdfwrite bug here, but 3 PDF interpreters with
no common heritage all give the same correct answer, Acrobat is odd man out, so
I think its an Acrobat bug

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