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Re: Where do these come from...
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Re: Where do these come from...


  • Subject: Re: Where do these come from...
  • From: Charlie Dickman <email@hidden>
  • Date: Wed, 15 Aug 2012 23:39:47 -0400

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 <email@hidden> 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
email@hidden




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      • From: Quincey Morris <email@hidden>
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References: 
 >Where do these come from... (From: Charlie Dickman <email@hidden>)
 >Re: Where do these come from... (From: "Stephen J. Butler" <email@hidden>)
 >Re: Where do these come from... (From: Charlie Dickman <email@hidden>)
 >Re: Where do these come from... (From: "Stephen J. Butler" <email@hidden>)

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