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https://issues.apache.org/jira/browse/PDFBOX-4095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16350678#comment-16350678
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Tilman Hausherr edited comment on PDFBOX-4095 at 3/22/18 6:34 PM:
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Thanks... I tested with many PDFs, there are a lot of differences, some are
rendered incorrectly (e.g. [^gs-bugzilla690477.pdf])... maybe start with
[http://www.eci.org/_media/downloads/altona_test_suite/eci_altona-test-suite-v2_technical2_one-patch-per-page_x4.pdf]
there is an exception (IOOB) on page 17. Of course I can't say for sure if it
is a bug in your change, or if your change uncovered bugs that have been there
already.
It might also be possible that I messed up something while inserting your code.
If possible, try attaching real diff / patch files, this avoids any human error.
was (Author: tilman):
Thanks... I tested with many PDFs, there are a lot of differences, some are
rendered incorrectly (e.g. [^gs-bugzilla690477.pdf])... maybe start with
[http://www.eci.org/_media/downloads/altona_test_suite/eci_altona-test-suite-v2_technical2_one-patch-per-page_x4.pdf]
there is an exception (IOOB) on one of the last pages. Of course I can't say
for sure if it is a bug in your change, or if your change uncovered bugs that
have been there already.
It might also be possible that I messed up something while inserting your code.
If possible, try attaching real diff / patch files, this avoids any human error.
> 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: BlendComposite.java.patch, BlendMode.java.patch,
> COSName.java.patch, blendmodes.pdf, gs-bugzilla690477.pdf,
> gs-bugzilla697433-1.pdf
>
>
> I have a patch for implementation of non separable blend modes...
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