想要实现两张图片重叠后显示为新突破,但是运行后模拟器什么也没显示
代码如下:
- (void)viewDidLoad
{
[super viewDidLoad];
image1 = [[UIImage alloc]init];
image1 = [UIImage imageNamed:@"iphone.png"];
imageA = [[UIImageView alloc]initWithImage:image1];
[self merge];
}
-(void)merge
{
CGSize size = CGSizeMake(320, 480);
UIGraphicsBeginImageContext(size);
CGPoint thumbPoint = CGPointMake(0,0);
imageview.image = imageA.image;
[imageA.image drawAtPoint:thumbPoint];
imageB = [[UIImage alloc]init];
imageB = [UIImage imageNamed:@"Favorites.png"];
CGPoint starredPoint = CGPointMake(0, 0);
[imageB drawAtPoint:starredPoint];
UIImage *imageC = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
imageview.image = imageC;
[self.view addSubview:imageview];
}
请高手指点,问题出在哪了?谢谢