Convert UIWebview contents to a UIImage when the webview is larger than the screen

Question

Very similar to this question (and also this answer), I\'m trying to make an UIImage out from a webview. So far I\'m using the code suggested in the answer, specifically: <

Answer 1

D R's answer is fine. The only thing missing is taking into account the scale of screen. I have it corrected in my Swift version and it works fine for me.

extension UIWebView{
func snapshotForCompletePage() -> UIImage {
    // tempframe to reset view size after image was created
    let tmpFrame: CGRect = self.frame
    // set full size Frame
    var fullSizeFrame: CGRect = self.frame
    fullSizeFrame.size.height = self.scrollView.contentSize.height
    self.frame = fullSizeFrame

    // here the image magic begins
    UIGraphicsBeginImageContextWithOptions(fullSizeFrame.size, false, UIScreen.mainScreen().scale)
    let resizedContext: CGContextRef = UIGraphicsGetCurrentContext()!
    self.layer.renderInContext(resizedContext)
    let image: UIImage = UIGraphicsGetImageFromCurrentImageContext()
    UIGraphicsEndImageContext()
    // reset Frame of view to origin
    self.frame = tmpFrame
    return image
      }
    }