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From: rap@dana.UUCP (Rob Peck)
Newsgroups: comp.sys.amiga
Subject: Re: Clipping within a window.
Message-ID: <186@dana.UUCP>
Date: Fri, 26-Jun-87 16:54:18 EDT
Article-I.D.: dana.186
Posted: Fri Jun 26 16:54:18 1987
Date-Received: Sun, 28-Jun-87 01:10:33 EDT
References: <205@sugar.UUCP>
Organization: Dana Computer, Inc., Sunnyvale, CA
Lines: 16
Summary: See ya layer...

In article <205@sugar.UUCP>, peter@sugar.UUCP (Peter DaSilva) writes:
> I want to clip some text (or graphic) output to within the borders of a
> simplerefresh window. What's the best way to do this? I know I can use
> superbitmap with GZZ, but that's rather overkill for text only output.
> That is, I guess, how do I set up a clipping rectangle of my own within a
> window?
> 
> -- Peter da Silva (why doesn't VI do SLOWOPEN on vt100s?)

Use the layers.library routine to create a layer in your current window.
There is an example in the ROM Kernel manual that draws the words
"Behind a fence" literally behind a fence.  (I wrote that example).

You can use layers to position arbitrary clipping rectangles in a window.

Rob Peck.