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Grayscale pixels, anyone?
- To: info-mcl@digitool.com
- Subject: Grayscale pixels, anyone?
- From: WF Vaughn <vaughn@aruba.ccit.arizona.edu>
- Date: 15 Mar 1995 23:32:02 GMT
- Organization: The University of Arizona
- Sender: owner-info-mcl@digitool.com
Hi LISPERS,
Using GET-PIXEL, I can tell if a given pixel's on or off.
I'm wondering if there's any way to get a pixel's 4-bit
grayscale value in a similar way. Any ideas?
W.F. Vaughn
Department of Philosophy
University of Arizona
vaughn@arizona.edu