Re: Problem with accents on freebsd but not on windows

At 16:27 17/04/2015 +0000, Ian Lord wrote:


>I m writing here hoping someone will be able to help me with a problem we 
>have using gs to convert pdf documents to png.

This mailing list is for people developing using Ghostscript, it is not a 
support forum.

---------------------------------------------------------------------------------------
Ghostscript is supplied in two ways, as open-source software under the 
Affero General Public Licence Version 3 
(http://en.wikipedia.org/wiki/Affero_General_Public_License) and as 
commercial software under licence from Artifex Software.

The AGPL version of Ghostscript is provided 'as is', without warranty or 
support.

We do value input from our free user community and we will fix bugs 
reported to us as well as considering enhancement requests. However, this 
is entirely at our own discretion and, as you would expect, our commercial 
customers are given priority over free users.

Bugs can be reported (and enhancement requests raised) at 
http://bugs.ghostscript.com there are a number of other avenues open to 
free users:

1) The stack overflow web site has a small but active community involved 
with Ghostscript, as well as PostScript and PDF. Questions raised here will 
often get a good response.

2) The UseNet forum comp.lang.postscript again has a similar community of 
enthusiasts.

3) The Ghostscript developers can be found on the #ghostscript IRC channel 
on irc.freenode.net. Questions asked here will usually get a response 
though time zone differences can mean there are periods when nobody is 
available. The channel is logged, the developers read the logs, and will 
respond so even if nobody answers immediately hang around, someone will 
eventually. Alternatively check back in the logs later.

---------------------------------------------------------------------------------------

You haven't said which version(s) of Ghostscript you have tested, but I've 
checked back to 8.71 and this file renders correctly in every version I've 
tried, another developer has tried several other versions on Linux and they 
have all worked correctly as well.

As William Bader has already indicated, your file does not in fact have all 
the required fonts embedded. However, the problematic fonts 
(Frutiger-BlackCn and Frutiger-Cn) *are* embedded, so it is almost 
certainly not a font substitution problem.

The 'working' example is not, in fact, a font at all. What you have here is 
a bitmap image of the text, associated with that is invisible text, and 
that is what gets selected when you use a text selection tool. You can see 
fairly clearly that the 'text' where the accents is present is very rough 
when compared to the real text below. All the locations with missing 
accented characters are in real text, all the ones which are present are 
images, with invisible text overlaid.

I imagine this was done in the 'modified' step which appears to have take 
place some 3 years after the document was created....

The most likely reason for your problem is that your version of Ghostscript 
has been 'packaged' in some way rather then built from the source we 
supply. We supply specific, tested, versions of the various 3rd party 
libraries we use, in some cases incorporating fixes which have not (as yet) 
been adopted by the upstream maintainers. Packagers often use different 
builds of these libraries and in some cases force Ghostscript to use system 
shared libraries.

To eliminate this you should, as William also said, rebuild Ghostscrpi from 
source, do not use shared libraries, and test again.


         Ken Sharp