Java: how to take a screenshot fast

Posted by user350789 on Stack Overflow See other posts from Stack Overflow or by user350789
Published on 2010-05-26T10:18:47Z Indexed on 2010/05/26 10:21 UTC
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I am implementing a simple eye tracker, which requires fast screenshoting of what is happening on the screen simultaneously with capturing the video from webcam.

The thing is that the way of doing it with Robot, mentioned here: http://stackoverflow.com/questions/2475303/java-library-for-capturing-active-window-screenshot is extremely slow.

By the way, retrieving the video from a webcam works much faster and returns the byte array, which is very fast to be processed.

Does anybody know a faster solution? C++ libraries, which can be linked to Java for doing this may help as well.

Thank you!

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