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Thread: Adjusting Screen Resolution

  1. #1
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    Default Adjusting Screen Resolution

    Hi everyone,

    I wanted to know if it is possible to set the Screen Resolution at the start of my program. The main window for my program is 1250 by 815 and I want to be able to display all of it on the user's screen. I do NOT want to use the Full Screen mode, since the user often needs to reference other documents while they are working with the program.

    Any suggestions and help is appreciated.

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  2. #2
    Crazy Cat Lady KevinWorkman's Avatar
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    Default Re: Adjusting Screen Resolution

    After a quick google search I found this post, which seems pretty promising: How to set screen resolution (Game Development forum at JavaRanch)
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  3. #3
    Super Moderator helloworld922's Avatar
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    Default Re: Adjusting Screen Resolution

    Unfortunately, that method only works if you have a full screen app, and there's no equivalent for changing the "native" (non-full screen) resolution in pure Java*. Furthermore, there's only a limited number of resolutions you can change the monitor to. If someone's monitor is big enough, you can use a larger monitor to ensure that your window fits, but if the maximum resolution on their monitor is smaller, there's nothing you can do about it (ex. some monitors have a maximum resolution of 1024*768, therefore it's impossible for you to adjust the resolution above that even with native code).

    *note: when I say only works in full screen mode, I mean only works safely in full screen mode. The JVM implementation must support it for each specific OS, which unfortunately is not the case. I know the Sun JVM for Windows will only let change the resolution of full screen applications, otherwise you'll get an UnsupportedOperationException. I can't remember where I read/heard this, but I think the only OS's which do support this operation for non-full screen mode are Linux and Solaris (don't take my word for this, though).
    Last edited by helloworld922; April 22nd, 2011 at 08:17 PM.

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