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https://issues.apache.org/jira/browse/PDFBOX-820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Boehme updated PDFBOX-820:
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Attachment: pdfbox_issue820.patch
patch which adds predictor 2 support to FlateFilter
> Support TIFF predictor 2 with FlateDecode, patch included
> ---------------------------------------------------------
>
> Key: PDFBOX-820
> URL: https://issues.apache.org/jira/browse/PDFBOX-820
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing
> Affects Versions: 1.3.0
> Reporter: Timo Boehme
> Priority: Minor
> Attachments: pdfbox_issue820.patch
>
> Original Estimate: 0.08h
> Remaining Estimate: 0.08h
>
> A patch which adds support for TIFF predictor 2 within FlateDecode. Currently
> the patch only supports 8 bits per component. Handling 4 bits per component
> could be implemented but I have no test document.
> The patch can be tested against
> http://pediatrics.aappublications.org/cgi/reprint/125/1/1
> the title graphic (Im0 at page 1) uses predictor type 2.
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