Hi,
I, agree with Tilman. It isn't as easy as an other pure-java lib as the proposed
solution requires to install a native library.
You are free to use it in your own environment. Just put the plugin in the
classpath and install the corresponding native lib. That should do the trick.
Andreas
Am 01.01.23 um 13:21 schrieb Tilman Hausherr:
Hi,
My own opinion is that this looks like a pain, more than just including a
library my changing the pom.xml. But that's just me. The licensing problem
doesn't mean one can't use it, it just means we can't distribute it.
If you come up with a solution then can test it with my rendering regression
tests (about 1000 files).
Tilman
On 01.01.2023 12:06, Aleksandr Kazakov wrote:
Hello!
Thank you for the great PDF tool!
I want to ask about applying the OpenJpeg library to JPEG2000 handling in
PDFBox.
The problem with jai-imageio-jpeg2000 is its license, while the license of
https://github.com/uclouvain/openjpeg is free for commercial use.
OpenJpeg is written in C, but there are a few java-bindings:
1.
https://mvnrepository.com/artifact/de.digitalcollections.imageio/imageio-openjpeg
2.
https://github.com/uclouvain/openjpeg/blob/master/wrapping/java/openjp2/java-sources/org/openJpeg/OpenJPEGJavaDecoder.java
3. https://github.com/ElMostafaIdrassi/OpenJPEGJNI (a fork of 2nd, it
states that 2nd is outdated)
The first question is, why OpenJpeg has not yet been applied instead of
jai-imageio-jpeg2000 in PDFBox?
Because if there aren't any substantial reasons for that, it would be great
to change the library and avoid the pain with JPEG2000 in commercial
setting. And I would be glad to participate.
And the second question: can you give some advice on which of those
bindings I should prefer? Some caveats I should be aware of?
---
Happy new 2023 year and best wishes!
Alex
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