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https://issues.apache.org/jira/browse/PDFBOX-2283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14116397#comment-14116397
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ASF subversion and git services commented on PDFBOX-2283:
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Commit 1621462 from [~tilman] in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1621462 ]
PDFBOX-2283: correct transform / clipping for appearance streams
> 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.
> Update: this issue is also about signatures and acroform fields, because
> these have also appearance streams that are rendered with the same code.
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