Optimize Viewport by only painting the revealed area
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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: 1.1.1
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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