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https://issues.apache.org/jira/browse/PDFBOX-2283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14107044#comment-14107044
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Tilman Hausherr commented on PDFBOX-2283:
-----------------------------------------
Based on the file in PDFBOX-2282 I have modified my fix (not attached but can
do if wished) so that clipping is now done based on the appearance rectangle.
More test pdfs with annotations, signatures or acroform welcome. I have only
about 10 currently.
> Incorrect transform for annotations / appearance streams
> --------------------------------------------------------
>
> Key: PDFBOX-2283
> URL: https://issues.apache.org/jira/browse/PDFBOX-2283
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 1.8.6, 1.8.7, 2.0.0
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Labels: AcroForm, Annotations, Signature
> Fix For: 2.0.0
>
> Attachments: annots.pdf, annots.pdf-3-bad.png, annots.pdf-3-good.png,
> annots.pdf-4-bad.png, annots.pdf-4-good.png, annots.pdf-5-bad.png,
> annots.pdf-5-good.png
>
>
> The attached file (from the ghostscript installation) doesn't render
> properly, especially page 3, where the images are about double the size. The
> cause is that the transform for the appearance stream must be calculated
> based on the BBox and the appearance rectangle and the matrix (if available).
> This is described in "Algorithm: Appearance streams" in the "Appearance
> Streams" section of the spec.
> I have already prepared a fix, which I will commit after PDFBOX-2262.
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