All of the QT code samples use an off-screen graphics world as a
secure place to create an image before adding it to a move. My image
is merely a rectangle in my application's main window, so I don't
think I need to use an off-screen GWorld. Is that correct?
I guess I need to create a pixel map handle for the screen and pass
that to CompressImage() and GetMaxCompressionSize() as the first
argument and my rectangle as the second argument.
How do make a pix map handle for the screen, or make a handle for a
bit map created this way?
Jeff
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