[gs-bugs] [Bug 690325] Regression: Several PostScript CET files hang pdfwrite

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Fri Aug 6 13:48:07 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=690325

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Ken Sharp <ken.sharp at artifex.com> 2010-08-06 13:48:03 UTC ---
(In reply to comment #5)
> I have a local fix for 13-10.ps but it seems to cause a serious XPS regression,
> I need to look into it.
> 
> 13-13.ps is fixed locally as well, as far as a 'hang' goes. It produces a file
> with a broken font though.
> 
> One of those changes also fixes 13-15.ps, but like 13-13.ps it produces a file
> with a broken font.
> 
> With both these changes in place 13-24.ps now works fully correctly as
> apparently, does 13-18.ps.

revisions 11608 and 11609 fix the 'hanging' problem with these files. 

The files which error out due to invalid Type 3 fonts are a specific QL error
test, it creates fonts with a FontMatrix of [0 0 0 0 0 0] and traps the
resulting error with 'stopped'.

pdfwrite maintains the font as created, and writes it into the output file.
There is no equivalent of 'stopped' in PDF, so the PDF file provokes an error.

This seems to me to be correct behaviour, the original PostScript file was
broken (and would have produced an error if it wasn't being specifically
trapped) so the output PDF file has the same error. I don't propose to try and
address this.

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