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Modifying pdf with itext

Andrew Lohans

Joined: May 16, 2005
Posts: 4
Hi all,

if I imagine I have a byte array containing an existing pdf I've read from the filesystem, and some text I want to insert into the pdf at a select point, is it possible to produce a byte array containing the new pdf with the text at the set point using itext?
In this particular example, I have a pdf letter template, and am wanting to put the adress of the recipient in the address area of the letter. Some code detailing how to do this with iText would be greatly appreciated.

Ulf Dittmer

Joined: Mar 22, 2005
Posts: 42965
This is not possible with iText or any other PDF library. Once a PDF document has been created, the range of things you can do with it is very limited. There is no reliable way to access parts of a page.

If the document uses AcroForms, then you can use iText to fill in the fields of the form. But in general this doesn't work.
[ January 27, 2006: Message edited by: Ulf Dittmer ]
I agree. Here's the link:
subject: Modifying pdf with itext
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