Am 09.03.2016 um 15:11 schrieb Felix Hermann:
Hello,
we use PDFBox 2.0.0 for converting PDF to images.
We also want to support JBIG2 images. Therefore we would like to use the JBIG2-Image-Decoder, which is proposed on your website. (See: https://pdfbox.apache.org/2.0/dependencies.html )
On your website it says: "These libraries are optional and will be loaded if present on the classpath, otherwise support for these image formats will be disable and a warning will be logged when an unsupported image is encountered."
I downloaded the source code, created a jar-file and put it onto the classpath.
However it didn't work. I'm getting the following error:
[09.03.2016 14:37:59] ERROR org.apache.pdfbox.contentstream.PDFStreamEngine (PDFStreamEngine.java:851) - Cannot read JBIG2 image: jbig2-imageio is not installed
I also tried 'JBIG2 ImageIO' by 'levigo'. This worked. However we cannot use it, as it is under the GPL-Licence.
That is the reason why we don't distribute the levigo software.
Solutions for you:
- Distribute your software without it and have your users download it
- Write your own decoder (you could take the one in PDF.js and write it
in java, it is Apache licensed)
- Ask levigo for an apache license.
Tilman
Any help will be appreciated
Regards
Felix
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