I DO NOT call drawRect directly. I DO  call [self setNeedsDisplay: YES] to keep 
things going. All drawing is done from inside drawRect which has been invoked 
through the use of [self setNeedsDisplay: YES],

On Aug 15, 2012, at 11:19 PM, Stephen J. Butler wrote:

> On Wed, Aug 15, 2012 at 10:02 PM, Charlie Dickman <3tothe...@comcast.net> 
> wrote:
>> Here's the whole method... it is being called from within a view's drawRect 
>> method...
> 
> Are you calling drawRect directly from your code? If so, don't do
> that. You should be sending one of the setNeedsDisplay messages, and
> letting AppKit call drawRect for you.
> 
> With AppKit calling drawRect your lockFocus messages should not be needed.

Charlie Dickman
3tothe...@comcast.net




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