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From: mattd@Apple.COM (Matt Deatherage)
Newsgroups: comp.sys.apple2
Subject: Re: offscreen grafports in Orca/Pascal
Message-ID: <43842@apple.Apple.COM>
Date: 10 Aug 90 17:27:52 GMT
References: <3980@rex.cs.tulane.edu> <43826@apple.Apple.COM> <12237@sdcc6.ucsd.edu>
Organization: Apple Computer Inc, Cupertino, CA
Lines: 24

In article <12237@sdcc6.ucsd.edu> jonah@amos.ucsd.edu (Jonah Stich) writes:
>Okay, I've been bitten by this before, so I just thought I'd chip in and warn
>you before you havev this problem, too. When you open a grafPort this way
>it sets up a visRgn that is the size of the screen. If you want to do things
>in this grafPort (I've had problems drawing text) you have to make the
>following call sequence:
>
>NewRgn
>OpenRgn
>(FrameRect, whatever...)
>CloseRgn
>SetVisHandle
>
>Jonah

You'll probably find SetRectRgn to be a whole lot easier.


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