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Subject: Re: Overlaying PDFs > 1.4 fails & Hyperlinks are not clickable in
 overlays
To: users@pdfbox.apache.org
References: <56DD9E8A.3040207@avaintec.com> <56DDB823.9000209@t-online.de>
 <56E04594.8030200@avaintec.com>
From: Tilman Hausherr <THausherr@t-online.de>
Message-ID: <56E0861E.2050309@t-online.de>
Date: Wed, 9 Mar 2016 21:22:54 +0100
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Am 09.03.2016 um 16:47 schrieb Anna Taracha:
> Result of PDFBox 2.0.0-RC3:
>
> http://www.elisanet.fi/jakorasia/ANNA/result-PDFBox2.pdf
>
> Result of PDFBox 1.8.11:
>
> http://www.elisanet.fi/jakorasia/ANNA/result-PDFBox18.pdf

Here's what I get with PDF-Tools:

1.8:
Validating file "result-PDFBox18.pdf" for conformance level pdfa-1b
dc:language :: Wrong value type. Expected type 'bag'.
dc:date :: Wrong value type. Expected type 'seq'.
The required XMP property 'pdfaid:part' is missing.
The required XMP property 'pdfaid:conformance' is missing.
A device-specific color space (DeviceGray) without an appropriate output 
intent is used.
The document does not conform to the requested standard.
The document contains device-specific color spaces.
The document's meta data is either missing or inconsistent or corrupt.
Done.

2:
Validating file "result-PDFBox2.pdf" for conformance level pdfa-1b
The file contains cross reference streams. <=====================
The file trailer dictionary is missing or invalid. <=================
dc:language :: Wrong value type. Expected type 'bag'.
dc:date :: Wrong value type. Expected type 'seq'.
The required XMP property 'pdfaid:part' is missing.
The required XMP property 'pdfaid:conformance' is missing.
A device-specific color space (DeviceGray) without an appropriate output 
intent is used.
The document does not conform to the requested standard.
The file format (header, trailer, objects, xref, streams) is corrupted.
The document contains device-specific color spaces.
The document's meta data is either missing or inconsistent or corrupt.
Done.


preflight has a similar error for 2.0 only:
1.4 : Trailer Syntax error, /XRef cross reference streams are not allowed


Please try this before saving:

         doc.getDocument().setIsXRefStream(false);
         COSDictionary trailer = doc.getDocument().getTrailer();
         trailer.removeItem(COSName.W);
         trailer.removeItem(COSName.DECODE_PARMS);
         trailer.removeItem(COSName.FILTER);
         trailer.removeItem(COSName.TYPE);
         trailer.removeItem(COSName.INDEX);
         trailer.removeItem(COSName.LENGTH);


About your other question - it is unclear. Are you asking whether 
Overlay will be available in the future? Or do you want us to create a 
feature like the one you did on your own?

Tilman
>
> -anna-
>
> On 07.03.2016 19:19, Tilman Hausherr wrote:
>> Could you upload two documents, one good and one bad? I'll have a 
>> look with PDFDebugger to find out what's wrong.
>>
>> Tilman
>>
>> Am 07.03.2016 um 16:30 schrieb Anna Taracha:
>>> Hi,
>>>
>>> I am having trouble overlaying PDFs of version 1.5 (or higher) when 
>>> using PDFBox 2.0.0-RC3. The result PDF has parameter error in it 
>>> according to 3-Heights™ PDF Validator Online Tool. Overlaying PDFs 
>>> of version 1.4 (PDF 1.4, PDF/A-1a and PDF/A-1b) works fine.
>>>
>>> To reproduce:
>>> 1. Download pdfbox-app-2.0.0-RC3.jar
>>> 2. Overlay two PDF(/A) documents of version 1.5 (or higher)
>>> /- java -jar pdfbox-app-2.0.0-RC3.jar OverlayPDF doc.pdf wm.pdf 
>>> -position foreground result.pdf/
>>> 3. Validate result.pdf with a PDF validator (I used 3-Heights™ PDF 
>>> Validator Online Tool)
>>>
>>> The result of the validation is 'parameter error'. However, 
>>> overlaying the exact same PDFs using pdfbox-app-1.8.11.jar works 
>>> fine. Is there some regression in PDFBox 2.0.0-RC3 regarding 
>>> overlaying PDFs of version > 1.4? I tested OverlayPDF//with many 
>>> simple PDFs (version > 1.4) and all of them resulted in parameter 
>>> error when using PDFBox 2.0.0-RC3.
>>>
>>> I have also a question about making hyperlinks clickable in 
>>> overlays. I am able to do it by modifying Overlay.java but I was 
>>> wondering, if this feature will be available in some later release?
>>>
>>> Best regards,
>>> Anna
>>>
>>
>>
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>
>
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