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Re: Getting pixel color from NSView

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Re: Getting pixel color from NSView

Subject: Re: Getting pixel color from NSView
From: "John C. Randolph" <email@hidden>
Date: Sun, 25 Jan 2009 17:10:14 -0800


On Jan 25, 2009, at 11:06 AM, Ashley Perrien wrote:

Is there a way to get the color of a pixel or area of an NSView during the drawRect method?


Sure.  Have a look at this:

http://developer.apple.com/samplecode/Color_Sampler/index.html

NSReadPixel() will tell you the color of the pixel nearest to the given location, in the current drawing context.

-jcr

"This is not a book to be tossed aside lightly. Rather, it should be hurled with great force." -Dorothy Parker

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  >Getting pixel color from NSView (From: Ashley Perrien <email@hidden>)




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