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https://issues.apache.org/jira/browse/PDFBOX-4095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16410080#comment-16410080
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Tilman Hausherr commented on PDFBOX-4095:
-----------------------------------------
I did a second try in case it was related to the recent improvements (paint on
transparent background), but it didn't get better. I have attached some more
test files.
> Non Separable Blend Modes implementation(HUE, SATURATION, COLOR, LUMINOSITY)
> ----------------------------------------------------------------------------
>
> Key: PDFBOX-4095
> URL: https://issues.apache.org/jira/browse/PDFBOX-4095
> Project: PDFBox
> Issue Type: Improvement
> Components: Rendering
> Affects Versions: 2.0.8
> Reporter: savan patel
> Priority: Major
> Attachments: A-Designers-Guide-to-Transparency-2007.pdf,
> BlendComposite.java.patch, BlendMode.java.patch, COSName.java.patch,
> Transparency_DesignGuide-2004.pdf, blendmodes.pdf, gs-bugzilla689095.pdf,
> gs-bugzilla690477.pdf, gs-bugzilla695975.pdf, gs-bugzilla697433-1.pdf
>
>
> I have a patch for implementation of non separable blend modes...
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