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https://issues.apache.org/jira/browse/PIVOT-66?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Volkert resolved PIVOT-66.
-------------------------------
Resolution: Fixed
Fix Version/s: (was: 1.3)
1.2
This is done, and it shows from a 70% to a 95% improvement in scrolling
efficiency depending on the size of the viewport.
> Optimize Viewport by only painting the revealed area
> ----------------------------------------------------
>
> Key: PIVOT-66
> URL: https://issues.apache.org/jira/browse/PIVOT-66
> Project: Pivot
> Issue Type: Improvement
> Components: wtk
> Affects Versions: 1.1
> Reporter: Todd Volkert
> Assignee: Todd Volkert
> Priority: Minor
> Fix For: 1.2
>
>
> We can cache the paint results of a Viewport in a BufferedImage and re-use
> that image when the scroll top or scroll left changes, thus enabling us to
> clip the paint region to just the bounds that were revealed by the scroll
> change.
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