On 2/11/07, Geoff Russell <[EMAIL PROTECTED]> wrote: > Hi, > > 1. I started work on a metapost graphics driver a week or so ago and it is > gradually taking shape. I'm building up my own test cases into a > script as I go, but > figured you may have a "canonical testing script" of cases a driver must > handle? >
I typically use demo(graphics) for initial development and then things like example(plotmath) to make sure I'm getting font encoding working properly. > 2. The clipping function looks like being a tricky problem. It seems > to me that the > callers of the driver assume that clipping affects all following calls > until the next > clipping call resets the clipping box. With metapost, the clipping > function clips the > current graphics region and has no effect on following drawing functions. I'm > not sure how to handle this --- the 2 models are very different. > Sounds like you get to make a lot of clipping calls in metapost. > Cheers, > Geoff Russell > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Byron Ellis ([EMAIL PROTECTED]) "Oook" -- The Librarian ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
