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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-4519) Reduce artefacts in shadings
Date Mon, 29 Apr 2019 13:56:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-4519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16829278#comment-16829278
] 

ASF subversion and git services commented on PDFBOX-4519:
---------------------------------------------------------

Commit 1858375 from Tilman Hausherr in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1858375 ]

PDFBOX-4519: use optimized point type

> Reduce artefacts in shadings
> ----------------------------
>
>                 Key: PDFBOX-4519
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4519
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Rendering
>    Affects Versions: 2.0.15
>            Reporter: Tilman Hausherr
>            Assignee: Tilman Hausherr
>            Priority: Major
>              Labels: shading, shadingpattern
>             Fix For: 2.0.16, 3.0.0 PDFBox
>
>
> Many PDFs with shadings, e.g. the [frog of Kerstin Upmeyer|http://kupmeyer.com/wp-content/uploads/2012/02/K_UPMEYER_SPRING10.pdf]
have a few white dots. In the linked GS issue, Raph Levien mentions rounding problems with
the triangles and suggested to "fatten" them. I do this by drawing an interpolation-colored
line and it works nicely.



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