pdfbox-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Tilman Hausherr <THaush...@t-online.de>
Subject Re: Issues with MRC Compressed using JBIG2-immage
Date Thu, 03 Nov 2016 17:07:29 GMT
Am 03.11.2016 um 09:58 schrieb Zeiske, Erik (DualStudy):
> Hello everybody,
> I have an issue with PDFBox and the handling of a MRC Compressed PDF.
> The issue is related to the JBIG2 Compression used in the PDF. If I 
> try to extract the different Images used in the PDF attached, the 
> library throws an NullPointerException cause the Bits are not defined 
> in the JBIG2-Filter. I think this is because in the PDF there is no 
> “Bits per Component” defined in the JBIG2-Immage. If I try to define 
> the Bits in the JAVA-Code the program runs without an error, but it 
> doesn’t apply the JBIG2 mask properly to the foreground-colour-image 
> of the PDF. To fix this issue I tried to extract the mask into a file, 
> but it seems like the mask-image is the same as the foreground-image. 
> I couldn’t find the reason for this and I don’t think it is related to 
> the PDF itself.
> The PDF I was using with is in the attached to this e-mail.

Please upload the file to a sharehoster, PDF attachments are not 
allowed. Please tell also what version you are using and what


  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message