I need to get a CGColor from a CGGradientRef, and use the color as a stroke colour in a drawing app for iOS 7. Is that possible?
Can I get a CGColor from CGGradient?
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You could draw the gradient to an image context, get the pixel buffer for the image, then create a color from that pixel (see this post).
Otherwise,
CGGradientRefis an opaque type, and there isn't any way to get information out of it. For my own apps, I've also created a wrapper object aroundCGGradientRefthat creates the gradient and stores the colors / locations it was created with.