IOS graphics
IOS graphics
- Subject: IOS graphics
- From: Development <email@hidden>
- Date: Sun, 10 Jul 2011 18:06:19 -0700
Im having a problem with adjusting the color values of a UIImage.
How does one adjust levels and color values of a UIImage.
The example code I found only overlays a rectangle clipped to an image mask. It looks like color value adjustment until you realize 2 things.
a) I absolutely cannot render the image view with the color adjustment into a graphic context with the adjustment in tact, because what I always get back is the original, unadjusted image.
a b) it's not really adjusting the levels. And since it isn't it also means I cannot actually adjust the brightness, contrast or anything else either.
Is adjusting UIImage color levels even possible?_______________________________________________
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