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UIImageView捏缩放迅速
我希望有人可以帮助我。我试图允许用户捏UIImageView(允许最大和最小级别)上的缩放。但是由于某种原因,它无法正常工作。图像会稍微放大,然后反弹。谢谢。 这是变焦功能 func zoom(sender:UIPinchGestureRecognizer) { if sender.state == .Ended || sender.state == .Changed { let currentScale = self.view.frame.size.width / self.view.bounds.size.width var newScale = currentScale*sender.scale if newScale < 1 { newScale = 1 } if newScale > 9 { newScale = 9 } let transform = CGAffineTransformMakeScale(newScale, newScale) self.imageView?.transform = transform …