Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!cs.yale.edu!tarr-michael
From: tarr-michael@CS.YALE.EDU (michael tarr)
Newsgroups: comp.sys.mac.programmer
Subject: CopyBits versus EraseRect()
Message-ID: <27452@cs.yale.edu>
Date: 29 Nov 90 00:47:16 GMT
Sender: news@cs.yale.edu
Organization: Department of Psychology, Yale University
Lines: 18
Nntp-Posting-Host: algeria.ai.cs.yale.edu


I wish to erase a rect on the screen to the background color. There are
two obvious ways:

1. EraseRect
2. CopyBits a rect of the same background.

Which is faster (my intuition is copybits -- eraserect appears very slow
on my system).

Thanks,

mike tarr
-- 
 * Mike Tarr                                    The Human Neuron Project  *
 * tarr@cs.yale.edu                             Department of Psychology  *
 * "My opinions are always my own."             Yale University           *
 **************************************************************************