PDF woes

Mike Reinehr cmr
Mon May 17 12:00:34 PDT 2004


I have both gs's on my system:

	gs-gnu: 7.07 (2003-05-17)
	gs-esp: 7.07.1 (2003-07-12)
	cupsys: 1.1.20final-15

and, as we agreed earlier, I believe gs-esp is what is being used by CUPS 
(1.1.20final-15).

Mike

On Friday 12 March 2004 05:58 am, Roger Oberholtzer wrote:
> On Fri, 12 Mar 2004 12:32:49 +0100
>
> Klaus-Peter Schrage <kpschrage at gmx.de> wrote:
> > Roger Oberholtzer wrote:
> > > The ghostscript is: ESP Ghostscript 7.07.1 (On both SUSE 9 and Gentoo.)
> > >
> > > I have tried Acrobat doing Level 1, 2 and 3 PostScript files.
> > >
> > > My printing system on both is CUPS.
> > >
> > > Can I send someone a .ps file from Acrobat so they can see if it is my
> > > file or my ghostscript?
> >
> > I sought and thought a bit, and now I see somewhat clearer, although
> > there is one mistery left.
> > What is clear: Those gov forms are deliberately encrypted so that you
> > should only fill in the fields and print the pages on paper:
> > 	http://149.101.23.2/graphics/formsfee/forms/forminfo.htm
> > The encryption has the effect that you can't change the original pdf in
> > any way, neither with Adobe distiller nor with ghostscript unless you
> > know the magic master password.
> >
> > What can be done is to create a PS out of the PDF - that's evident, as
> > otherwise you couldn't print out the forms on any ps printer.
> >
> > But you can't reconvert the ps file with ghostscript resp. its pdfwrite.
> > Trying to do so I received this very error saying 'Redistilling
> > encrypted PDF is not permitted.' Viewing the pf file you'll find a line
> > saying:
> >
> > '% Removing the following eight lines is illegal, subject to the Digital
> > Copyright Act of 1998.'
> >
> > What really marvels me is the occurrance of the error message
> > ('Redistilling encrypted ...') when trying to do plain printing (which I
> > was able to do, as I have said earlier). According to my weak knowledge
> > of the linux printing process no 'distilling', ie ps->pdf conversion
> > should be involved. Usually it's the application itself (eg Acrobat
> > Reader) that creates ps data. These are sent unaltered to the printer if
> > it is a ps type, or otherwise ghostscript takes the ps data and converts
> > them to a format readable by a specific printer type (eg HP's PCL code).
> >
> > Perhaps there's someone with a little more insight ...
>
> That all makes sense to me. It would explain the problem running ps2pdf on
> the ps file from acrobat.
>
> However, I still do not know why I cannot print the file or view it in
> ghostscript, while others can. The postscript I get from acrobat 5.0.8 for
> Linux must be the same as others get. So the difference here must be in
> ghostscript. Can you see what version of Ghostscript your CUPS is using?

-- 
Debian 'Sarge': Registered Linux User #241964
----
"More laws, less justice." -- Marcus Tullius Ciceroca, 42 BC
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