Return-Path: Delivered-To: apmail-harmony-commits-archive@www.apache.org Received: (qmail 82915 invoked from network); 12 Sep 2007 13:24:52 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 12 Sep 2007 13:24:52 -0000 Received: (qmail 84533 invoked by uid 500); 12 Sep 2007 13:24:46 -0000 Delivered-To: apmail-harmony-commits-archive@harmony.apache.org Received: (qmail 84510 invoked by uid 500); 12 Sep 2007 13:24:46 -0000 Mailing-List: contact commits-help@harmony.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@harmony.apache.org Delivered-To: mailing list commits@harmony.apache.org Received: (qmail 84501 invoked by uid 99); 12 Sep 2007 13:24:46 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Sep 2007 06:24:46 -0700 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Sep 2007 13:24:52 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 1B76171417D for ; Wed, 12 Sep 2007 06:24:32 -0700 (PDT) Message-ID: <7981085.1189603472101.JavaMail.jira@brutus> Date: Wed, 12 Sep 2007 06:24:32 -0700 (PDT) From: "Igor V. Stolyarov (JIRA)" To: commits@harmony.apache.org Subject: [jira] Updated: (HARMONY-4777) [classlib][swing] Performance improvement for javax.swing.RepaintManager In-Reply-To: <16417055.1189602932044.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HARMONY-4777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Igor V. Stolyarov updated HARMONY-4777: --------------------------------------- Attachment: H-4777.patch Fix attached > [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 > 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. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.