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iOS 高清屏幕截图
简介
- (UIImage *)captureScrollView:(UIScrollView *)scrollView{
UIImage* image = nil;
CGSize scrollsize = CGSizeMake(scrollView.contentSize.width, scrollView.cont...
- (UIImage *)captureScrollView:(UIScrollView *)scrollView{
UIImage* image = nil;
CGSize scrollsize = CGSizeMake(scrollView.contentSize.width, scrollView.contentSize.height);
UIGraphicsBeginImageContextWithOptions(scrollsize, YES, [UIScreen mainScreen].scale); //[UIScreen mainScreen].scal此参数为高清 可降低质量
[scrollView.layer renderInContext: UIGraphicsGetCurrentContext()];
image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
if (image != nil) {
return image;
}
return nil;
}
(UIScrollView *)scrollView此处 UIscrollView可换成任意控件
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