Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!usc!apple!portal!cup.portal.com!Lee_Robert_Willis
From: Lee_Robert_Willis@cup.portal.com
Newsgroups: comp.sys.amiga.tech
Subject: Re: Writing clipping routines
Message-ID: <32207@cup.portal.com>
Date: 29 Jul 90 04:59:44 GMT
References: <900721.220121.MDT.GRGREF@BYUVM>
Organization: The Portal System (TM)
Lines: 9

I have the 1.3 release of the RKM Libraries & Devices, which explains in
somewhat better detail what the Layers library does.  Basically, if what
you need is _rectangular_ clipping, then the Layers library does it for you.
You create a "Layer" (i.e. clipping rectangle) of the desired size, and
then draw to its RastPort (NOT the window's RastPort).  The Layers library
will clip to the RastPort.  
(DISCLAIMER:  I've read this section of the RKM, but I haven't played with
it. So my advice my worth the price you paid for it.)
		Lee Willis