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From "Alexey Petrenko (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-4777) [classlib][swing] Performance improvement for javax.swing.RepaintManager
Date Wed, 12 Sep 2007 14:23:32 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Alexey Petrenko resolved HARMONY-4777.

    Resolution: Fixed

The patch has been applied.
Please verify.

> [classlib][swing] Performance improvement for javax.swing.RepaintManager
> ------------------------------------------------------------------------
>                 Key: HARMONY-4777
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4777
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Igor V. Stolyarov
>            Assignee: Alexey Petrenko
>         Attachments: H-4777.patch
> I would like to suggest performance improvement for javax.swing.RepaintManager. I suggest
using as a offscreen buffer VolatileImage instead BufferedImage.  It should gives significant
boost on any types of Drawing operations. According to Spec VolatileImage can lost content,
but Harmony implementation of VolatileImage based on GDI Bitmap which always keep content.

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