- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.view.backgroundColor = [UIColor cyanColor];
UIImage *image = [self stretchableImage];
UIImageView *popImg = [[UIImageView alloc] initWithImage:image];
[self.view addSubview:popImg];
CGFloat tempWidth = 300/2+image.size.width/2;
UIGraphicsBeginImageContextWithOptions(CGSizeMake(tempWidth, 80), NO, [UIScreen mainScreen].scale);
[image drawInRect:CGRectMake(0, 0, tempWidth, 80)];
UIImage *tempImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
popImg.image = [tempImage stretchableImageWithLeftCapWidth:image.size.width *0.2 topCapHeight:image.size.height*0.5];
popImg.frame = CGRectMake(10, 300, 300, 80);
}
- (UIImage *)stretchableImage {
UIImage *image = [UIImage imageNamed:@"location_tips@2x"];
return [image stretchableImageWithLeftCapWidth:image.size.width *0.7 topCapHeight:image.size.height *0.5];
// 0.7大于0.5
}
