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https://issues.apache.org/jira/browse/PDFBOX-2934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14697759#comment-14697759
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Tilman Hausherr edited comment on PDFBOX-2934 at 8/14/15 9:11 PM:
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gs-bugzilla689439-alphamask.pdf is a testfile for alpha masks, found here
http://bugs.ghostscript.com/show_bug.cgi?id=689439
Rendering doesn't work properly if alpha mask code is enabled, the result is
flipped.
was (Author: tilman):
gs-bugzilla689439-alphamask.pdf is a testfile for alpha masks, found here
http://bugs.ghostscript.com/show_bug.cgi?id=689439
Rendering doesn't work properly if alpha mask enabled, the result is flipped.
> Support smask /S /Alpha
> -----------------------
>
> Key: PDFBOX-2934
> URL: https://issues.apache.org/jira/browse/PDFBOX-2934
> Project: PDFBox
> Issue Type: Task
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Attachments: PDFJS-1710-p1.pdf, PDFJS-1710-p1.pdf-1-better.png,
> PDFJS-1710-p1.pdf-1.png, PDFJS-1710-p7.pdf, PDFJS-1710-p7.pdf-1-better.png,
> PDFJS-1710-p7.pdf-1.png, gs-bugzilla689439-alphamask.pdf
>
>
> The smask feature /S /Alpha is either not implemented or not working at all.
> I have two files that are wrongly rendered with the current software, and
> correctly rendered when the feature is disabled \(!\). As a first step, I am
> disabling it for now and attach test files. Johns proposed patch has also
> disabled the feature, so I think we can agree on that.
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