[gs-bugs] [Bug 692943] Using pdfdraw to convert pdf to png may turn text into gibberish

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=692943

Tor Andersson <tor.andersson at artifex.com> changed:

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

--- Comment #6 from Tor Andersson <tor.andersson at artifex.com> 2012-04-19 08:58:13 UTC ---
(In reply to comment #4)
> If I nobble the CIDFont loading so it uses DroidSansFallback (instead of
> NimbusSanL-Bold) as the substitute in the cut down job, I get the correct glyph
> out.
> 
> So, I think mupdf's CIDFont loading needs to be revised so it doesn't do the
> "well known name" lookup (and only does it for fonts).

I tried the same, and we only get the correct glyphs out for the 7-bit ascii
characters.
All extended latin characters are still wrong. Ghostscript shows the same
problem.
The issue is that we don't have arial.ttf and the file is constructed to use
direct
glyph indexing (an Identity-H encoding).

If a font uses the Identity-H encoding it MUST be embedded for it to work
portably.

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