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Re: IOS graphics
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Re: IOS graphics


  • Subject: Re: IOS graphics
  • From: Mike Abdullah <email@hidden>
  • Date: Mon, 11 Jul 2011 13:16:57 +0100

Giving us a link to the example code would be a big help in understanding what you're trying.

On 11 Jul 2011, at 02:06, Development wrote:

> 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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