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From: Lawson.English@p88.f15.n300.z1.fidonet.org (Lawson English)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Novice Questions: (Quick Draw).
Message-ID: <12598.28432327@stjhmc.fidonet.org>
Date: 29 May 91 03:20:27 GMT
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Christopher Tate writes in a message to All

>The obvious, intuitive way of doing this is [drawing a single pixel]:
>
>MoveTo ( x , y ) ;
>Line ( 0 , 0 ) ;
CT>  Because of the way that Quickdraw handles drawing lines, the 
CT> faster way of doing this is to use Line(1, 0) or Line(0, 1) instead 
CT> of Line(0, 0). Gotta love it.... :-)

Because of the Trap-dispatcher overhead, the best way would be to setup a rect
 
w/o SetRect and call PaintRect or FillRect (benchmark 'em for which is 
faster).
This avoids 1 system call. I've also seen CopyBits suggested.

Lawson 
 

 

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