his redraw per pixel is only needed due to the alpha information. The Pixmap has a straight X Y flip command that he used ;-)
and grab image isn't the fastest way as it does a grabpixmap -> loadimage from that ... so lockimage yflip(pixmap) unlock might be faster, no grabbing involved.
and grab image isn't the fastest way as it does a grabpixmap -> loadimage from that ... so lockimage yflip(pixmap) unlock might be faster, no grabbing involved.