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jai-imageio / jai-imageio-jpeg2000

JPEG2000 support for Java Advanced Imaging Image I/O Tools API
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black stain issue #28

Open whammoed opened 5 years ago

whammoed commented 5 years ago

There is an issue with "black stains" or "ink blots" etc appearing in some images. See here for more info: https://issues.apache.org/jira/browse/PDFBOX-1752 https://issues.apache.org/jira/browse/PDFBOX-1819 can be fixed by applying: https://github.com/faceless2/jpeg2000/commit/b20342956ac5d05bb97522ddeb41e9bed5abfa95 https://github.com/faceless2/jpeg2000/commit/94e047e38091fe3646e47d574b0080d1bfd67cdf

Jugen commented 5 years ago

This is fixed by PR #24

whammoed commented 5 years ago

This is fixed by PR #24

I am still seeing this issue using: jai-imageio-core 1.3.1 jai-imageio-jpeg2000 1.3.0

THausherr commented 5 years ago

Because 1.3.0 is from 2015. If you want to test the change, then you'd have to build from the repository.

whammoed commented 5 years ago

Because 1.3.0 is from 2015. If you want to test the change, then you'd have to build from the repository.

Thanks, that's what I planned on doing. I was thinking Jugen meant that the issue was fixed in a release.

whammoed commented 5 years ago

Because 1.3.0 is from 2015. If you want to test the change, then you'd have to build from the repository.

THKausherr, I have built my own jai-imageio-jpeg2000-1.3.1-SNAPSHOT.jar and added it to my project library but now I get this error like I don't have it: Cannot read JPEG2000 image: Java Advanced Imaging (JAI) Image I/O Tools are not installed any idea why this may be?

THausherr commented 5 years ago

You need to make sure that the new jar is part of your classpath, and also that the old jar isn't. And this must also be at runtime.

whammoed commented 5 years ago

You need to make sure that the new jar is part of your classpath, and also that the old jar isn't. And this must also be at runtime.

Maybe I am building the J2000 jar incorrectly. I am building jai-imageio-jpeg2000-1.3.1-SNAPSHOT.jar by: Export>Java>Jar file To my project I added libs folder I added libs folder to Java Build Path>Source I copied my jai-imageio-jpeg2000-1.3.1-SNAPSHOT.jar to the libs folder I added external jar in Java Build Path>Libraries I removed jai-imageio-jpeg2000 1.3.0 Maven dependency I get the Cannot read JPEG2000 image: Java Advanced Imaging (JAI) Image I/O Tools are not installed error I remove my jar and copy the original 1.3.0 jar to my libs folder and add that external jar...then it works but obviously with the black stain.

**I realize I shouldn't need to add the libs folder to source but have been trying everything to get this to work

EDIT: built jar using Run As>Maven Install and now it works. Using the maven reference now instead of adding external jar. Just wasn't thinking I guess. Thanks for the help, the black stains are now gone.

THausherr commented 5 years ago

My built jai-imageio-jpeg2000-1.3.1-SNAPSHOT.jar has a size of 456KB.

Another trick to see whether the file is in your classpath would be to access a class from there, e.g. com.github.jaiimageio.jpeg2000.J2KImageReadParam .

whammoed commented 5 years ago

My built jai-imageio-jpeg2000-1.3.1-SNAPSHOT.jar has a size of 456KB.

Another trick to see whether the file is in your classpath would be to access a class from there, e.g. com.github.jaiimageio.jpeg2000.J2KImageReadParam .

built jar using Run As>Maven Install and now it works. Using the maven reference now instead of adding external jar. Just wasn't thinking I guess. Thanks for the help, the black stains are now gone.

THausherr commented 3 years ago

Ink blot problem now fixed, thanks. But the second PR mentioned at the beginning of this issue ( https://github.com/faceless2/jpeg2000/commit/94e047e38091fe3646e47d574b0080d1bfd67cdf ) wasn't committed, that one prevents garbled images in rare cases.