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Old 06-01-2006, 12:13 PM
roger roger is offline
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Lightbulb Image corruption on some systems

I've got a bit of a problem that I've been chasing for ages and have gotten nowhere. The applet I've written uses a large image (typically in the order of 2000x2000 and up, embedded into a scroll pane) to display large amounts of data graphically. The system works fine, but sometimes the image corrupts as soon as you do some scrolling (i.e. and the paint() method is called).

I can reproduce the problem with a given set of configuration parameters for the applet, but I can't reproduce it on anyone else's laptop. It was doing it on JRE1.5.0_06, so I uninstalled it and installed JRE1.5.0_07 and it still does it. On a colleague's laptop on JRE1.5.0_06 it does not occur. Another is using JRE1.5.0_03 and it does not occur. We noticed that the problem was also more prevalent in 1.5.0_05. This sounds like it might be a local issue, but I am completely stumped.

Does anyone have any ideas why this might happen?
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Old 06-02-2006, 10:57 AM
brackett brackett is offline
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Perhaps it's not code related, but hardware/driver issues. Try updating your video drivers. If you're using Windows, try disabling HW acceleration as well.
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Old 06-02-2006, 03:15 PM
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I was thinking the same thing as brackett. I see the same problem on certain webpages with my desktop computer. Update your drivers and disable HW acceleration like brackett said.
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