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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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Tilman Hausherr reopened PDFBOX-820:
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reopen to attach file

> 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: 1.3.1
>            Reporter: Timo Boehme
>            Priority: Minor
>             Fix For: 1.3.1
>
>         Attachments: PDFBOX-820-predictor2.pdf, pdfbox_issue820.patch
>
>   Original Estimate: 5m
>  Remaining Estimate: 5m
>
> 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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