如何在iphone sdk中截取UIImageView的截图

Question

我想拍一张imageview的截图.并将该屏幕截图设置为另一个imageview中的图像.我抓住了这个过程.请帮我.

Answer 1

UIGraphicsBeginImageContext(imageView.frame.size);
 [imageView.layer renderInContext:UIGraphicsGetCurrentContext()];
 UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
 UIGraphicsEndImageContext();
yourSecondImageView.image = viewImage;