Giuseppe Castagno wrote:
Hi Phillip,
These are some question regarding where to find infos, not related to
the PDF OOo implementation.
- signing: this is for me a new topic, I know it as a user, due to
legal reasons in Italy, I have an official electronic signature that
it's used here more as a double key crypt of official documents; but I
still haven't gave it to much tought as a programmer, can you point me
where I can find additional infos aside from PDF spec ?
I can not, but perhaps somebody on the list can.
other things about PDF no one asked for (may be they are not that widely known):
- thread articles, useful for multicolum papers (have a look to the
pdf structure in thes spec);
Will need support from applications for that.
- named destination, e.g. the target inside the PDF document when
opened from another PDF.
This latter needs an explanation.
The following observations are based on behaviour observed around a
year back, things may have changed, but I doubt so.
Suppose there is a series of writer (or impress, draw, calc or a mix
of them) documents that are related to each other, now you want to
distribute only the PDF versions of them, but retaining their
relationship in term of jumping from a PDF document to a target PDF at
a defined position.
In OOo world you only need to simply add a hyperlink jump to a
bookmark in the other document and that's it. But if you send only the
PDF copy of that document to your user the currently generated pdf
contains the hyperjump to that destination, as it where a Internet
jump (a URI action, IIRC ) to the target writer document, not its PDF
version.
You can change the target from docname.odt to docname.pdf, the pdf
will open into the internet browser, of course, but not at the
intended destination: at the first page.
A better bahavior can be implemented as follow:
In the target PDF document you generate the dictionary of the "Named
Destinations", using the (writer, draw, impress, cal) bookmark names
as strings, in the source document, during PDF generation, you convert
the hyperlink to an action of goto target document type from[odt,
ods,...] to pdf to the 'named destination' of the bookmark.
I implemented this in java for OOo 1.1.x, I published the code here:
http://www.tecsa-srl.it/OOo/en/Default.html
Let me know what you think and feel free to forward what you think
relevant for the gsl-dev there, stripping out the OT stuff.
So done :-)
Kind regards, pl
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