On Dec 22, 2008, at 12:07 PM, David Thielen wrote:
Please correct me if I’m wrong, PDF/X and PDF/A are basically
restrictions on what can be written to the PDF file.
They are subsets of the full PDF specification (eg. there are things
that you aren't allowed to have) AND they also have additional
requirements that aren't present in standard PDF (eg. all fonts must
be embedded).
So we do the same thing as before, except there are some calls that
are not allowed and all colors are set in CMYK. For PDF/X that’s it
– correct?
There are 5 different flavors of PDF/X (1a, 2, 3, 4, and 5) - depends
on which one(s) you are targetting. Same with PDF/A.
For PDF/A there is the metadata that is added, but is there any
specific metadata we are supposed to add or is what is added up to
each individual? If there is a set of properties we are supposed to
put in the metadata, is there a link to it somewhere?
As Bruno and Paulo both said - you REALLY need to read the specific
standards documents if you are going to be implementing them. You
need a good validator, such as Adobe Acrobat Professional's Preflight
tool.
And for tagged PDF, this is where we can let Acrobat know the true
formatting of the document so when a user does copy and paste from
Acrobat, they get the true formatted document displayed in the PDF –
correct? Is there a link showing what of this is supported in iText,
how to call it, and what more will be added?
Something like that...As mentioned, look for "Marked Content" in the
PDF Reference.
Leonard
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