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Re: Obtaining the color of the screen at a known point
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Re: Obtaining the color of the screen at a known point


  • Subject: Re: Obtaining the color of the screen at a known point
  • From: Carl Hoefs <email@hidden>
  • Date: Sat, 05 Nov 2016 18:25:19 -0700

On Nov 5, 2016, at 5:15 PM, Richard Charles <email@hidden> wrote:
>
>> On Nov 5, 2016, at 5:50 PM, Carl Hoefs <email@hidden> wrote:
>>
>> I have an iOS app in which the user touches the screen, and I need to read the color of screen at the touched point. How can this be done in iOS 9.3?
>
> OpenGL ES glReadPixels?

Thanks, that's the hint I was looking for! Got it working!
-Carl


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References: 
 >Obtaining the color of the screen at a known point (From: Carl Hoefs <email@hidden>)
 >Re: Obtaining the color of the screen at a known point (From: Richard Charles <email@hidden>)

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