[Dev-luatex] Modify PDF file attributes

Hans Hagen pragma at wxs.nl
Sun Dec 7 18:52:01 CET 2008

TeXWorld wrote:
> Hello,
> I use the \pdfinfo primitive to manage meta datas in pdf files when I 
> use pdflatex.
> However, I'd like to manage :
> -printing option : authorized or not
> -pages extracting : authorized or not
> -protection...
> How can I do this ?
> I heard that it was possible to do this with old versions of pdftex but 
> these kinds of features were removed from it because it
> didn't work very well.
> I would like to know if these features will appear again and, why not, 
> in LuaTeX ?

optimizations are best done after the document is created and not on the 
fly (ghostscript can do it)

the code was removed because it was too much interwoven an 
unmaintainable; also, such features have to be under complete user 
control if only because other features (\pdfobj etc) might demand such 
control; when the luatex backend code is redone (2009/2010)we might 
provide hooks for users (macro packages) to implement such features


                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
      tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                              | www.pragma-pod.nl

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