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https://issues.apache.org/jira/browse/PDFBOX-5657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17876616#comment-17876616
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ASF subversion and git services commented on PDFBOX-5657:
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Commit 1920186 from Tilman Hausherr in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1920186 ]

PDFBOX-5657: handle JPEG2000 SMaskInData by keeping alpha in DecodeResult

> SMaskInData not supported for JPX images
> ----------------------------------------
>
>                 Key: PDFBOX-5657
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5657
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.29, 3.0.0 PDFBox, 4.0.0
>            Reporter: Tilman Hausherr
>            Priority: Major
>              Labels: JPEG2000, JPXDecode, JPXFilter
>         Attachments: PDFJS-16782-SMaskInData.pdf
>
>
> JPX images can have transparency information and not only we don't support 
> that, but the images look broken.
> For now, lets just return the opaque image until there's a good idea what to 
> do. Maybe we have to return the mask in the DecodeResult. 



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