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From "Igor V. Stolyarov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4777) [classlib][swing] Performance improvement for javax.swing.RepaintManager
Date Thu, 13 Sep 2007 09:19:32 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12527041

Igor V. Stolyarov commented on HARMONY-4777:

Works for me.
Thank you Alexey.

> [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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