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https://issues.apache.org/jira/browse/PDFBOX-6199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18080271#comment-18080271
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ASF subversion and git services commented on PDFBOX-6199:
---------------------------------------------------------

Commit 65744b46de70d7b83414c69b5ace1fba70e795f0 in pdfbox-jbig2's branch 
refs/heads/master from Maruan Sahyoun
[ https://gitbox.apache.org/repos/asf?p=pdfbox-jbig2.git;h=65744b4 ]

PDFBOX-6199: Template 1 TPGR decoding and replace sliding window with readable 
pixel-by-pixel implementation


> Template 1 handling with TPGRON not supported
> ---------------------------------------------
>
>                 Key: PDFBOX-6199
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-6199
>             Project: PDFBox
>          Issue Type: Sub-task
>          Components: JBIG2
>    Affects Versions: 3.0.4 JBIG2
>            Reporter: Maruan Sahyoun
>            Priority: Minor
>         Attachments: image-2026-04-28-12-27-28-955.png, 
> image-2026-04-28-12-28-19-575.png, image-2026-04-28-12-29-21-038.png, 
> result-1.png, screenshot-1.png, screenshot-2.png, screenshot-3.png, 
> screenshot-4.png
>
>
> {{bitmap-refine-template1-tpgron.jbig2}} tests the folling features of JBIG2:
> - Refinement region
> - Template 1
> - TPGRON
> - Reference bitmap reuse
> We currently produce garbled output when decoding



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