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https://issues.apache.org/jira/browse/PDFBOX-5307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17434680#comment-17434680
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Tilman Hausherr edited comment on PDFBOX-5307 at 10/27/21, 6:21 AM:
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My understanding of softmasks is that "white" is what stays, and "black" is
what is removed. This would mean our rendering is correct. But obviously it
isn't. If this "rule" is different with CMYK, then it would mean we'd have many
bad rendering on softmasks but that isn't the case.
So I'm wondering if we possibly hit some weird corner case.
Example of another softmask
!lumi-662-1635315280003.png!
was (Author: tilman):
My understanding of softmasks is that "white" is what stays, and "black" is
what is removed. This would mean our rendering is correct. But obviously it
isn't. If this "rule" is different with CMYK, then it would mean we'd have many
bad rendering on softmasks but that isn't the case.
So I'm wondering if we possibly hit some weird corner case.
> Image lost on page render
> -------------------------
>
> Key: PDFBOX-5307
> URL: https://issues.apache.org/jira/browse/PDFBOX-5307
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.24, 3.0.0 PDFBox
> Environment: mac os
> Reporter: Maksym
> Priority: Major
> Attachments: issue_file.pdf, issue_file_pdfbox_result.jpg,
> lumi-662-1635315280003.png, screenshot from acrobat.png
>
>
> One image lost on page render (debug &Â PDFToImage commands)
> Pdf Looks correct in acrobat reader
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