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https://issues.apache.org/jira/browse/PDFBOX-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18055755#comment-18055755
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ASF subversion and git services commented on PDFBOX-6160:
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Commit b4a7d303ab03c17112a53d945c130565edd0ccba in pdfbox-jbig2's branch
refs/heads/master from Tilman Hausherr
[ https://gitbox.apache.org/repos/asf?p=pdfbox-jbig2.git;h=b4a7d30 ]
PDFBOX-6160: pass page bitmap to GenericRefinementRegion class if there is no
reference bitmap
> Immediate generic refinement region with no reference not displayed
> -------------------------------------------------------------------
>
> Key: PDFBOX-6160
> URL: https://issues.apache.org/jira/browse/PDFBOX-6160
> Project: PDFBox
> Issue Type: Sub-task
> Components: JBIG2
> Affects Versions: 3.0.4 JBIG2
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 3.0.5 JBIG2
>
> Attachments: bitmap-refine-page.pdf
>
>
> The attached file has an immediate refinement region segment that refers to
> no other segments. This previously brought an NPE and I changed it to an
> InvalidHeaderValueException. However it turns out that this is legit, and
> described on page 71: "In this case, the region segment is acting as a
> refinement of part of the page buffer." So we have to pass the page buffer
> {{pageBitmap}} to the GenericRefinementRegion class. I tried something quick
> and it worked immediately. So all there is to do is to find a better way to
> implement this, e.g. if the {{GenericRefinementRegion}} can access the
> {{JBIG2Page}} class.
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