[gs-bugs] [Bug 692307] ps2write Distiller font compatibility problem

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Wed Jun 29 07:13:58 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692307

--- Comment #6 from Ken Sharp <ken.sharp at artifex.com> 2011-06-29 07:13:57 UTC ---
(In reply to comment #5)
> I can reproduce the error with the following commandline:
> 
> gswin32c -q -dBATCH -dNOPAUSE -sDEVICE=ps2write -dCompressPages=false
> -sOutputFile=out.ps -dASCII85EncodePages=false distiller_ps2write_font_test.ps
> 
> The problem is caused by not setting -dCompressFonts to false and
> using -dASCII85EncodePages=false.
> 
> I have set ASCII85EncodePages to false because i also get problems
> with the distiller if i set this param to true (with other data).
> But maybe this was the font error in disguise.

OK, finally I can reproduce this, and it errors on other interpreters too. I'm
not sure why this is a problem but it clearly is, so I'll look into it. It
looks like the LZWEncoded data is incorrect, clearly its OK when not
compressed, and when the LZW data is ASCII85 encoded.

I don't think there is a font error here at all, not compressing the font
simply means that the image data is not LZW compressed. Whatever your reason
for not using ASCII85, its not the same thing.

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