[XeTeX] Σχετ: Plain XeTeX, pdftitle, pdfinfo

[Philip Taylor]

Just to summarise (for the benefit of archives and posterity), the following is /almost/ sufficient to achieve PDF/X-1A:2003 compliance using plain XeTeX.  Full compliance can be achieved using Adobe Acrobat.
> \newif \ifpdfxa
> \pdfxatrue
>
> \ifpdfxa
>     \special {pdf: put @thispage << /ArtBox [0 0 498.89641 708.65968] >>}
>     \special {pdf: put @thispage << /BleedBox [0 0 498.89641 708.65968] >>}
>     \special {pdf: put @thispage << /CropBox [0 0 498.89641 708.65968] >>}
>     \special {pdf: put @thispage << /MediaBox [0 0 498.89641 708.65968] >>}
>     \special {pdf: put @thispage << /TrimBox [0 0 498.89641 708.65968] >>}
>     \special {pdf: docinfo << /GTS_PDFXVersion (PDF/X-1:2001) /GTS_PDFXConformance (PDF/X-1a:2001) >>}
>     \special {pdf: put @catalog << /PageMode /UseNone /OutputIntents [ << /Info (none) /Type /OutputIntent /S /GTS_PDFX /OutputConditionIdentifier (Custom) /RegistryName (http://www.color.org/) >> ] >>}
>     \special {pdf: dest (page.1) [@thispage /XYZ @xpos @ypos null]}
>     \special {pdf: docinfo << /Title(Document Title)/Subject(Some subject)/Creator(XeTeX)/ModDate(D:yyyymmddhhmmss)/Author(Your Name)/Producer(XeTeX version)/Keywords(Whatever)/Trapped/False >>}
> \fi
The caveats are as follows :

 1. a hook will need to be inserted into \shipout to insert the bounding boxes on each page;
 2. the colours will need to be converted to the desired output profile using Adobe Acrobat;
 3. the file will need to be reduced in size with Acrobat 4+ compatibility but with no image compression in order to convert it to PDF 1.3;
 4. the dimensions of the bounding boxes are for B5 in so-called "big points" (Postscript points) and will need to be amended for other page sizes;
 5. \setboundingboxes will have to be called explicitly for the first page only.

\shipout can be hooked as follows :

    \def \setboundingboxes
        {%
            \special {pdf: put @thispage << /ArtBox [0 0 498.89641  708.65968] >>}%
            \special {pdf: put @thispage << /BleedBox [0 0 498.89641  708.65968] >>}%
            \special {pdf: put @thispage << /CropBox [0 0 498.89641  708.65968] >>}%
            \special {pdf: put @thispage << /MediaBox [0 0 498.89641  708.65968] >>}%
            \special {pdf: put @thispage << /TrimBox [0 0 498.89641  708.65968] >>}%
        }
      
    \newcount \maxpage
    \maxpage = <whatever>
    \let \Shipout = \shipout
    \def \shipout {\ifnum \pageno < \maxpage \setboundingboxes \fi \Shipout}
-- 

Philip Taylor
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