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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (Jira)" <ji...@apache.org> on 2020/09/11 14:58:00 UTC
[jira] [Commented] (PDFBOX-4955) Flattened form-fields are rendered
at the bottom of the page
[ https://issues.apache.org/jira/browse/PDFBOX-4955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17194310#comment-17194310 ]
Tilman Hausherr commented on PDFBOX-4955:
-----------------------------------------
This is related to PDFBOX-3396 and the {{resolveNeedsTranslation()}} method. That method looks for Form XObjects in the /AP/N dictionary. This PDF has them. However they are not used. Maybe we need to analyse the content stream for that.
> Flattened form-fields are rendered at the bottom of the page
> ------------------------------------------------------------
>
> Key: PDFBOX-4955
> URL: https://issues.apache.org/jira/browse/PDFBOX-4955
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm, Rendering
> Affects Versions: 2.0.21
> Reporter: Ben Sedee
> Priority: Major
> Labels: regression
> Fix For: 3.0.0 PDFBox, 2.0.22
>
> Attachments: DEA_certificaat_Theoriekennis_test.odg, DEA_certificaat_Theoriekennis_test.pdf
>
>
> When flattening the form, all form-fields are put at the bottom of the file, overlapping eachother.
> When I just look at the file however, without flattening, everything seems to be ok.
> Workarounds so far is to reset all BBox-es for PDFormXObjects to start rendering at (0, 0) before we flatten the file.
> We've also tried setting the form-fields to 'read-only', which also visually left the PDF in tact but is not a real substitute for flattening.
> Attached are a PDF with the issue present and the OpenOffice-Drawing that was used to create the PDF
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