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From: ken@cbmvax.commodore.com (Ken Farinsky - CATS)
Newsgroups: comp.sys.amiga.programmer
Subject: Re: InitArea() - When to call?
Message-ID: <20940@cbmvax.commodore.com>
Date: 25 Apr 91 14:13:32 GMT
References: <1991Apr24.194803.21622@murdoch.acc.Virginia.EDU>
Reply-To: ken@cbmvax.commodore.com (Ken Farinsky - CATS)
Organization: Commodore, West Chester, PA
Lines: 21

In article <1991Apr24.194803.21622@murdoch.acc.Virginia.EDU> tmb@davinci.acc.Virginia.EDU (Thomas M. Breeden) writes:
>I am having trouble with FillEllipse(). Ellipses are mostly filled,
>but have unfilled horizontal sections in them and/or filling that
>appears outside of part of the ellipse.
>
>Some ellipses are filled right, however. Polygon filling with
>AreaMove() and AreaDraw() seems to work ok.
>
>I am not sure, after reading the docs, whether InitArea() should be
>called only once for the area structure, or needs to be called
>before starting every area. ie, after one AreadEnd() call do I
>need to call InitArea() before the next AreaMove()?

Try going through and nulling out the AreaBuffer between uses.
I seem to recall problems with garbage in the buffer.  Sorry, I don't
have any specifics on a fix...
-- 
--
Ken Farinsky - CATS - (215) 431-9421 - Commodore Business Machines
uucp: ken@cbmvax.commodore.com   or  ...{uunet,rutgers}!cbmvax!ken
bix:  kfarinsky