Re: producing a pdf/X-1a:2001 file

From: Peter Rolf <indiego@gmx.net>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: producing a pdf/X-1a:2001 file
Date: Sat, 26 Jun 2010 13:14:00 +0200	[thread overview]
Message-ID: <4C25E0F8.2080104@gmx.net> (raw)
In-Reply-To: <AANLkTil1otWIeaGCKgCCJQeqCWhMpCZtMEmcXmTCdLuJ@mail.gmail.com>

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Am 26.06.2010 04:36, schrieb luigi scarso:
> On Sat, Jun 26, 2010 at 2:34 AM, Ciro <ciro@kavyata.com> wrote:
>> The company that is printing my book requires format
>> PDF/X-1a:2001.  The file produced by LuaTex is PDF 1.5.
>>
>> I wonder if there will be a problem, and if so, how can I do the
>> conversion to X-1a:2001?
> It's a complex subject, I fear that you need acrobat to be sure or
> defend your result
>
> Anyway
> http://www.tug.org/pipermail/pdftex/2009-June/thread.html#8050

Context should be able to produce PDF/X-1a:2003 so far (donno the
difference to the 2001 version). I will look into it tomorrow (no time
now). To give you a first impression what is needed (data,formats), I
attached a test file (mkiv only) for the 2003 variant.

Best wishes, Peter

[-- Attachment #2: pdfx-1a2003.tex --]
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% PDF/X-1a
\pdfminorversion=3
\pdfobjcompresslevel=0
\setupcolors[rgb=no]% only CMYK and Gray allowed

%\embedICCprofile{CMYK}{ISOcoated_v2_300_eci.icc}

\usePDFXoutputintent
  [%reference=no,
   info={ISO Coated v2 (ECI)},
   outputcondition={Offset printing, according to ISO 12647-2:2004/Amd 1, OFCOM, paper type 1 or 2 = coated art, 115 g/m2, tone value increase curves A (CMY) and B (K)},
   id=FOGRA39,
   name=http://www.color.org]

\starttext

\setupinteraction
  [title=TITLE,
   subtitle=SUBTITLE,
   author=AUTHOR,
   keyword={{KEYWORD1, KEYWORD2}, KEYWORD3},
  ]

\startluacode
-- PDF/X-1a:2003
lpdf.addtoinfo("GTS_PDFXVersion","PDF/X-1a:2003")
lpdf.injectxmpinfo("xml://rdf:RDF","<rdf:Description rdf:about='' xmlns:pdfxid='http://www.npes.org/pdfx/ns/id/'><pdfxid:GTS_PDFXVersion>PDF/X-1a:2003</pdfxid:GTS_PDFXVersion></rdf:Description>",false)
\stopluacode
\null

\definecolor[cmykblack][k=1]

\hbox\bgroup
\blackrule[color=cyan,width=1cm,height=1cm]%
\blackrule[color=magenta,width=1cm,height=1cm]%
\blackrule[color=yellow,width=1cm,height=1cm]%
\blackrule[color=cmykblack,width=1cm,height=1cm]
\egroup

\stoptext

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