Am 29.03.2016 um 21:21 schrieb Kevin Ternes:
Thanks guys.
Also, I meant to add in my last email that I was not able to find the
PDFDebugger.
My best effort was:
C:\Users\ntiskt02\Downloads>java -jar pdfbox-2.0.0.jar PDFDebugger
RenewalFaxCover_MN_MP.pdf
no main manifest attribute, in pdfbox-2.0.0.jar
It's a separate download from the download page.
Tilman
Am I missing something?
-----Original Message-----
From: Tilman Hausherr [mailto:[email protected]]
Sent: Tuesday, March 29, 2016 2:09 PM
To: [email protected]
Subject: Re: How to manipulate a pdf object
Am 29.03.2016 um 20:46 schrieb Kevin Ternes:
Maruan and Tilman,
I think you have answered my question--that I am basically out of luck.
I already ran one through the usual PDF-Tools Debugger but it did not tell me
anything that I thought was useful. I also tried looking at the PDF under
Acrobat's preflight.
But here is the use case:
I have a large number of PDF "templates" that in our usual business process, we
use PDFBox to load, set form field values, add images, merge, flatten, protect, . . .
However, it turns out that the specification for many of these templates has
changed so that a piece of text needs to be moved slightly up, a cm to the left
and have the font size changed. Then there are some places where someone drew
lines around hundreds of form checkboxes!!! So while I'm at it I'd like to
delete those lines and set the form field widgets to have a border.
I wanted to write a quick command line program to do this.
Likely won't be possible. What I do is to run the WriteDecodedDoc command line
utility and then do the changes manually. However you need to understand the
PDF operators and the sizes of the content streams should not change, i.e. all
object positions must stay the same.
Alternatively, get Acrobat Professional.
Tilman
I estimate that to do this one-pdf-at-a-time would take 10-20 hours. That
would not be a problem except that we don't have an intern.
Any suggestions appreciated.
-----Original Message-----
From: Maruan Sahyoun [mailto:[email protected]]
Sent: Tuesday, March 29, 2016 1:06 PM
To: [email protected]
Subject: Re: How to manipulate a pdf object
Hi,
Am 29.03.2016 um 19:54 schrieb Kevin Ternes <[email protected]>:
I have successfully updated form widgets on pre-existing PDFs.
But what about ordinary non-form objects like a box of text? I can add NEW
objects to the PDPageContentStream.
But how do I even get a reference to an existing object?
What is it that you are trying to achieve? You can parse an existing content
stream and look for individual tokens. But there is no guarantee that, what
your are calling a box of text, is treated like that in the PDF as there is no
such concept. E.g. individual lines, word, characters forming a word ... could
be placed individually in different operations. It even might not be text but a
vector or bitmap image. Your best bet is to look into the content using the
PDFDebugger and see if you can identify the parts you are looking for.
Maybe you can elaborate a little more on your use case.
BR
Maruan
Viewing the document in Acrobat does not give me a clue as to what the object
might even be called.
PDFBox-2.0.0
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