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https://issues.apache.org/jira/browse/PDFBOX-3333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265646#comment-15265646
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Maruan Sahyoun commented on PDFBOX-3333:
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Short answer - when filling forms PDFBox doesn't correctly generate the
appearance stream for rotated fields/pages.
Longer explanation:
The appearance stream generation ignores the rotation for the fields and
incorrectly generates the appearance as if there is no rotation. The reason the
form is correctly viewed in Adobe Acrobat is because the NeedAppearances flag
is set to true which enforces Adobe Acrobat to regenerate the appearance
streams when the form is loaded. Mac preview and the thumbnail generation
ignore the flag and show the form as is.
> Rotated text does not generate accurate preview renderings
> ----------------------------------------------------------
>
> Key: PDFBOX-3333
> URL: https://issues.apache.org/jira/browse/PDFBOX-3333
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm
> Affects Versions: 2.0.1
> Environment: Mac OS X development, Ubuntu production
> Reporter: Richard Brown
> Priority: Critical
> Labels: Appearance
> Attachments: 000001_3VW7T7AT1FM805256.png,
> 000002_3VW7T7AT1FM805256.pdf, 000002_3VW7T7AT1FM805256_450_450.png,
> 000063_WAU3FAFR4CA029987.pdf, BlueWideSticker1.pdf
>
>
> When filling a PDF field that is rotated the resulting generated PDF has the
> correct format. But when you generate an image of the PDF the image has the
> text in those rotated fields as not rotated.
> I have tried a variety of templates and they all do the same thing: view the
> preview of the PDF and see unrotated text. Open the PDF and see the
> correctly rotated text.
> Note that I generate the same PDF using iText 5.5.9 and the preview is
> correct, the text is correctly rotated. I'm basically bouncing back and
> forth between iText and PDFBox trying to find a working solution.
> If it makes any difference I'm using an FDF file to fill with iText and an
> XFDF file for PDFBox because I can't figure out how to load an FDF in 2.0.1.
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