On Nov 5, 2016, at 5:15 PM, Richard Charles wrote:
>
>> On Nov 5, 2016, at 5:50 PM, Carl Hoefs
>> 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?
> On Nov 5, 2016, at 5:50 PM, Carl Hoefs 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?
--Richard Charles
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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? The only
solution I could find uses CGDisplayCreateImageForRect() and
CGDisplayAddressForPosition(), which apparently no longer exist.
-Carl
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