注意:大量设置阴影会造成卡顿!!!
用上这句之后流畅度大大增加:imageV.layer.shouldRasterize = YES;
例:
// 设置阴影
imageV.layer.shadowOffset = CGSizeMake(4, 0);
imageV.layer.shadowColor = [UIColor blackColor].CGColor;
imageV.layer.shadowOpacity = 0.6;
imageV.layer.shadowRadius = 3;
imageV.layer.shouldRasterize = YES;
时间: 2024-11-03 01:29:06