How to create a black UIImage?

Question

I\'ve looked around everywhere, but I can\'t find a way to do this. I need to create a black UIImage of a certain width and height (The width and height change, so I can\'t just

Answer 1

Swift 3:

func uiImage(from color:UIColor?, size:CGSize) -> UIImage? {

    UIGraphicsBeginImageContextWithOptions(size, true, 0)
    defer {
        UIGraphicsEndImageContext()
    }

    let context = UIGraphicsGetCurrentContext()
    color?.setFill()
    context?.fill(CGRect.init(x: 0, y: 0, width: size.width, height: size.height))
    return UIGraphicsGetImageFromCurrentImageContext()
}