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Message-ID: <553D4CE6.1080905@t-online.de>
Date: Sun, 26 Apr 2015 22:39:02 +0200
From: Tilman Hausherr <THausherr@t-online.de>
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To: users@pdfbox.apache.org
Subject: Re: PDFBox detecting checked/unchecked checkboxes
References: <alpine.BSO.2.20.1504252152230.26104@ref.nmedia.net>
 <553C8500.4080101@t-online.de>
 <alpine.BSO.2.20.1504260943510.26104@ref.nmedia.net>
 <553D3F36.5080100@t-online.de>
 <alpine.BSO.2.20.1504261248580.26104@ref.nmedia.net>
In-Reply-To: <alpine.BSO.2.20.1504261248580.26104@ref.nmedia.net>
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I looked at your file... it doesn't have acroforms. So we're back to 
square one.

So what you could do is either to use text extraction (to test whether 
these boxes are glyphs), or graphic method you mentioned at the beginning.

However I just tried text extraction, but I didn't get the boxes. This 
suggests that these are graphics.

If your job is to evaluate lots of PDF files like this one, you could do 
it with graphics, but only if these PDFs are really identical except for 
the boxes.


Tilman


Am 26.04.2015 um 21:56 schrieb Andrew Munn:
>>> I think I looked at that a while back and didn't get anyplace.  I just
>>> tried to run the PrintFields app and I get a NullPointerException.  I am
>>> thinking the checkboxes in my form are just stored as black squares, not
>>> completed form fields.   Is that possible?
>>>
>>>           PDDocumentCatalog docCatalog = pdfDocument.getDocumentCatalog();
>>>           PDAcroForm acroForm = docCatalog.getAcroForm(); // returns null
>>>           List<PDFieldTreeNode> fields = acroForm.getFields(); //NPE here
>> Could you please mention what version you are using (even if you already did
>> before), and upload the file somewhere?
> I have these in my path:
>
> 	levigo-jbig2-imageio-1.6.3.jar
> 	pdfbox-app-2.0.0-20150420.221011-1230.jar
>
> I will email you the PDF because my web server is down for a bit.
>
> Thanks!
>
>
>
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