iOS图片的聊天气泡显示Objective-C和Swift

[objc] view plaincopyprint?

1. 如何实现聊天软件的图片显示的剪裁后的气泡呢  

[objc] view plaincopyprint?

1. Objective-C:  

[objc] view plaincopyprint?

1. <pre name="code" class="objc">- (void)viewDidLoad {  
2.     [super viewDidLoad];  
3.       
4.     UIImageView *ImageView01 = [[UIImageView alloc] init];  
5.     [ImageView01 setFrame:CGRectMake(90, 190, 120, 180)];  
6.     [ImageView01 setImage:[UIImage imageNamed:@"style.jpg"]];  
7.     [self.view addSubview:ImageView01];  
8.       
9.     UIImage *bubble = [UIImage imageNamed:@"icon_chat_right_bg"];  
10.     UIImageView *ImageView = [[UIImageView alloc] init];  
11.     [ImageView setFrame:ImageView01.frame];  
12.     [ImageView setImage:[bubble stretchableImageWithLeftCapWidth:15 topCapHeight:15]];  
13.       
14.     CALayer *layer              = ImageView.layer;  
15.     layer.frame                 = (CGRect){{0,0},ImageView.layer.frame.size};  
16.     ImageView01.layer.mask = layer;  
17.     [ImageView01 setNeedsDisplay];  
18. }  

Swift:

[javascript] view plaincopyprint?

1. override func viewDidLoad() {  
2.         super.viewDidLoad()  
3.         // Do any additional setup after loading the view, typically from a nib.  
4.         var imageview01 = UIImageView(frame: CGRectMake(90, 190, 120, 180))  
5.         imageview01.image = UIImage(named: "style.jpg")  
6.         self.view.addSubview(imageview01)  
7.           
8.         var imageview02 = UIImageView(frame: imageview01.frame)  
9.         imageview02.image = UIImage(named: "icon_chat_right_bg")?.stretchableImageWithLeftCapWidth(15, topCapHeight: 15)  
10.           
11.         var layer = imageview02.layer  
12.         layer.frame = CGRect(origin: CGPointZero,size: imageview02.layer.frame.size)  
13.         imageview01.layer.mask = layer  
14.           
15.     }  

[objc] view plaincopyprint?

1. style.jpg:  

:

  

[objc] view plaincopyprint?

1. icon_chat_right_bg: