Path: utzoo!attcan!uunet!wuarchive!cs.utexas.edu!rutgers!caip.rutgers.edu!peskin From: peskin@caip.rutgers.edu (R. L. Peskin) Newsgroups: comp.lang.smalltalk Subject: Pen (again) Message-ID: Date: 29 Oct 90 22:17:45 GMT Organization: Rutgers Univ., New Brunswick, N.J. Lines: 28 To be fair about this issue, let me post the (e-mail) quote I got from ParcPlace in response to my inquiry about the absence of Pen and whether they planned to include it later, perhaps as a fileIn: "Regarding the elimination of Pen class from R4, the developers reviewed the data they had and concluded that Pen had been little used since Smalltalk-72 (roughly 15 years ago). The other reason that Pen was dropped is that Pen uses the old B&W BitBlt imaging model and R4 uses the new color SPIM. Creating a Pen just like in 2.5, that draws anywhere on the display and does its drawing by replicating a form along a path, was considered very difficult. Creating a Pen that takes reasonable advantage of SPIM is much more work than 2.5's Pen. I regret that there are no plans to include Pen with the other compatibility stuff for the above reasons. " --dick peskin %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Richard L. Peskin CAIP Parallel Computing Lab CAIP Center CN - 1390 Rutgers University Piscataway, N. J. 08855-1390 net: peskin@caip.rutgers.edu %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%