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https://issues.apache.org/jira/browse/PDFBOX-1876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-1876:
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Attachment: PDFBOX-1876-duotone.ps
pdfbox-1876-duotone.pdf-1.png
PDFBOX-1876-duotone.pdf
Here's a PDF file with DeviceN that doesn't use shading, but the colors are not
rendered correctly. I have also attached the postscript file because it is
easily readable. I hope that this proves my argument :-)
> Incorrect color for DeviceN type 4 shading object
> -------------------------------------------------
>
> Key: PDFBOX-1876
> URL: https://issues.apache.org/jira/browse/PDFBOX-1876
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Fix For: 2.0.0
>
> Attachments: PDFBOX-1876-duotone.pdf, PDFBOX-1876-duotone.ps,
> ch14-01.png, ch14-13.png, ch14-15.png, ch14-20.png, ch14.pdf,
> pdfbox-1876-duotone.pdf-1.png
>
>
> Thanks to the fix in pdfbox-1442, I was able to get the ch14.pdf file
> rendered. However the colors are incorrect. On page 13, the colors black and
> red in the triangle are switched. (The same error is on page 1, 15 and 20 but
> these take forever to render). I suspect a bug in the
> shadingTinttransform.eval() function.
> I don't think its a bug in the shading interpolation code, because then there
> would have been lots of visible triangles in the spheres and donuts on the
> other pages where its not just a single triangle.
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