Re: Cannot get pixel color from NSBitmapImageRep
Re: Cannot get pixel color from NSBitmapImageRep
- Subject: Re: Cannot get pixel color from NSBitmapImageRep
- From: Dave Keck <email@hidden>
- Date: Wed, 30 Sep 2009 22:40:52 -1000
> float r,g,b,a;
> [pixelColor getRed:&r green:&g blue:&b alpha:&a];
-getRed:... accepts CGFloats as arguments, not floats. Depending on
your architecture, you're supplying a pointer to an incorrectly-sized
variable, and the bug you're seeing is the result of this error.
If you NSLog(@"%@", pixelColor); you'll see that the color is in fact correct.
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