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https://issues.apache.org/jira/browse/PDFBOX-6199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18080289#comment-18080289
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Maruan Sahyoun edited comment on PDFBOX-6199 at 5/12/26 12:39 PM:
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I'm looking at {{ArithmeticDecoder}} to see if we can compensate for some of
the performance loss. I'm having some ideas but will do a JMH to get a baseline
first. If the ideas proof do be successful I'll create a new ticket for that.
was (Author: msahyoun):
I'm looking at {{ArithmeticDecoder}} to see if we can compensate for some of
the performance loss. I'm having some ideas but will do a JMH to get a baseline
first.
> 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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