- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(50, 50, 100, 100)];
imageView.backgroundColor = [UIColor cyanColor];
imageView.layer.cornerRadius = 50;
[self.view addSubview:imageView];
UILabel *temptext = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, 100, 100)];
temptext.text = @"你好帅";
temptext.textColor = [UIColor yellowColor];
temptext.textAlignment = 1;
UIImage *image = [self imageForView:temptext];
imageView.image = image;
}
//-(UIImage *)imageFromString:(NSString *)string attributes:(NSDictionary *)attributes size:(CGSize)size{
//
// UIGraphicsBeginImageContextWithOptions(size, NO, 0);
// [string drawInRect:CGRectMake(0, 0, size.width, size.height) withAttributes:attributes];
// UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
// UIGraphicsEndImageContext();
//
// return image;
//
//}
-(UIImage *)imageForView:(UIView *)view{
UIGraphicsBeginImageContextWithOptions(view.bounds.size, NO, 0);
if ([view respondsToSelector:@selector(drawViewHierarchyInRect:afterScreenUpdates:)]) {
[view drawViewHierarchyInRect:view.bounds afterScreenUpdates:YES];
}else{
[view.layer renderInContext:UIGraphicsGetCurrentContext()];
}
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
iOS 将text文本转为image
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