Thanks to everyone who responded! I understand imageData a lot better now. (And the fact that transparency is stored in maskData, not imageData.)

Turns out I was able to solve the problem using a combination of crop and imageData -- now I can split an image into irregularly-shaped puzzle pieces.

Next step: snap a photo with the web cam so the photo can be turned into a jigsaw puzzle.

Thanks agin,
  - marty

--
Marty Billingsley
Department of Computer Science
The University of Chicago Laboratory Schools




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