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Re: Bookmarks in PDF documents
From: |
Ludovic Courtès |
Subject: |
Re: Bookmarks in PDF documents |
Date: |
Fri, 27 Apr 2007 09:46:14 +0200 |
User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) |
Hi,
Dave Baldwin <address@hidden> writes:
> I want to add bookmarks to a lout document and searching the archive
> yielded some comments made in 2003, but these seemed to degenerate
> into a discussion of what the name the lout entity should be.
I vaguely remember that the discussion concluded that it would be hard
to add support for bookmarks in Lout itself, but I don't remember why.
Personally, most of my Lout documents are generated by a front-end [0].
That front-end generates PostScript code that makes use of the `pdfmark'
operator to describe an outline (or set of bookmarks, depending on the
terminology). The code in question looks like this:
{ @BackEnd @Case {
PostScript @Yield {
["/"Title "("1. Introduction")"
"/"Action "/"GoTo "/"Dest "/"LOUTintro "/"OUT pdfmark
["/"Count 1 "/"Title "("3. Methodology")"
"/"Action "/"GoTo "/"Dest "/"LOUTmethodology "/"OUT pdfmark
["/"Count -1 "/"Title "("3.1. Characteristics")"
"/"Action "/"GoTo "/"Dest "/"LOUTcharacteristics "/"OUT pdfmark
["/"Title "("3.1.1. Strategy")"
"/"Action "/"GoTo "/"Dest "/"LOUTstrategy "/"OUT pdfmark
["/"Title "("References")"
"/"Action "/"GoTo "/"Dest "/"LOUTchapter970 "/"OUT pdfmark
}
else @Yield ""
} } @Graphic { }
This is a bit "hackish" since it relies on the fact that Lout uses
destination names of the form `LOUT<tag>', where <tag> is the address@hidden' of
the chapter/section.
PDF "docinfo" can be produced in a similar way:
{ @BackEnd @Case {
PostScript @Yield {
[ "/"Title "("The Document Title")"
"/"Author "("The Authors")"
"/"Keywords "("the keywords")"
"/"DOCINFO pdfmark
}
else @Yield ""
} } @Graphic { }
You can find more info about this in Adobe's _pdfmark Reference
Manual_ [1].
Thanks,
Ludovic.
[0] http://www.nongnu.org/skribilo/
[1]
http://partners.adobe.com/public/developer/en/acrobat/sdk/pdf/pdf_creation_apis_and_specs/pdfmarkReference.pdf