Xref: utzoo comp.graphics:1472 comp.lang.smalltalk:435 Path: utzoo!utgpu!water!watmath!clyde!burl!codas!usfvax2!pdn!ken From: ken@pdn.UUCP (Ken Auer) Newsgroups: comp.graphics,comp.lang.smalltalk Subject: Algorithms for BitBlt Keywords: info references wanted Message-ID: <1981@pdn.UUCP> Date: 8 Jan 88 23:11:09 GMT Organization: Paradyne Corporation, Largo, Florida Lines: 31 I'm looking for information/references on algorithms (or other information about) the following topics for BitBlt graphics ONLY! drawing non-rectangular geometric figures manipulating those geometric figures and/or other figures/icons (scaling, rotating (0-360), mirror-imaging, etc.) clipping via some geometrical shape other than rectangles (e.g. clipping circles). 3-D effects combination rules for multiple planes or chunky pixels (color/greyscale BitBlt) I'm currently working in Smalltalk, and know that some of this info is already provided in the system, but I am interested in info both specific to Smalltalk and otherwise. I've currently got a small amount of info, but I'm sure there's a lot more out there that I haven't seen. Please reply via e-mail, I'll summarize. Thanks in advance, Ken -------------------------------------------------------------------------- Ken Auer Paradyne Corporation {gatech,rutgers,attmail}!codas!pdn!ken Mail stop LF-207 Phone: (813) 530-8307 P.O. Box 2826 Largo, FL 34649-9981 "The views expressed above do not necessarily reflect the views of my employer, which by no means makes them incorrect."