Newsgroups: comp.arch Path: utzoo!henry From: henry@utzoo.uucp (Henry Spencer) Subject: Re: XOR cursors Message-ID: <1990Jun27.165914.6576@utzoo.uucp> Organization: U of Toronto Zoology References: <1990Jun20.011602.1010@xavax.com> <1990Jun26.182359.2989@utzoo.uucp> <4899@ethz.UUCP> Date: Wed, 27 Jun 90 16:59:14 GMT In article <4899@ethz.UUCP> prl@ethz.UUCP (Peter Lamb) writes: >Newmann and Sproull talk about the use of reversible raster operations >for cursors in `Introduction to Computer Graphics'. The earliest copy I >have is 1979 (2nd edition), but there's a 1973 copyright (to McGraw-Hill) >in the cover sheets. This is presumabably the first edition. >... >Does anyone have a copy of the 1973 edition? Does it also have >this material? Our library only has the 2nd edition. My copy of the 1973 edition is around somewhere, but not handy. Alas, it had very little on frame-buffer algorithms, because useful frame buffers were not very common then. If memory serves, all the stuff on RasterOp etc. was added in the second edition. -- "Either NFS must be scrapped or NFS | Henry Spencer at U of Toronto Zoology must be changed." -John Osterhout | henry@zoo.toronto.edu utzoo!henry