Berkeley CSUA MOTD:Entry 36480
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2025/07/11 [General] UID:1000 Activity:popular
7/11    

2005/3/2-3 [Computer/SW/Languages/Java] UID:36480 Activity:nil
3/2     Java experts please help:  I have a class FooCanvas which extends
        java.awt.Canvas.  If I draw into FooCanvas is there any way to read
        the framebuffer of FooCanvas?  FooCanvas implements no pixel-reading
        methods of its own.
        \_ You could do your own double buffering: override
           update(Graphics g) to not paint directly into g, rather
           use the graphics context of a java.awt.Image internal to
           your object as the param to the paint call and call drawImage on
           the Graphics in update to actually get your canvas painted.
           You can then externally access what you have drawn through the
           image. -ciyer
2025/07/11 [General] UID:1000 Activity:popular
7/11    

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