[jira] [Commented] (PDFBOX-4150) Optimize clipping text rendering modes

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-4150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16395535#comment-16395535 ] 

ASF subversion and git services commented on PDFBOX-4150:
---------------------------------------------------------

Commit 1826578 from [~tilman] in branch 'pdfbox/trunk'
[ https://svn.apache.org/r1826578 ]

PDFBOX-4150: speed up by appending to a path instead of adding to a shape, as suggested by fonkap on stackoverflow

> Optimize clipping text rendering modes
> --------------------------------------
>
>                 Key: PDFBOX-4150
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4150
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Rendering
>    Affects Versions: 2.0.8
>            Reporter: Tilman Hausherr
>            Assignee: Tilman Hausherr
>            Priority: Major
>              Labels: optimization
>
> I noticed that the file from PDFBOX-2035 needs 210 seconds on my new PC. The profiler shows that much time is lost in {{java.awt.geom.AreaOp.pruneEdges}}. A google search hit the linked SO issue. So I changed PageDrawer. Times on new PC with energy setting to maximum:
>  - PDFBOX-1350: 53 secs before, 12 secs after
>  - PDFBOX-2035: 210 secs before, 9 secs after
>  - all tests: 424 secs before, 247 secs after (the difference is mostly because of PDFBOX-2035 which prevents termnination of the test)
>  - all tests except the two: 246 secs before, 230 secs after



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