如何使UIImageView成爲一個圓圈[iOS]

我有一個UIImageView。我想使它成爲一個圓形類型和5像素的紅色邊框。如何使UIImageView成爲一個圓圈[iOS]

怎麼可能？我也分享代碼和圖像。請有人幫助我嗎？

enter image description here

我的代碼是：

UIImageView *myImageview = [[UIImageView alloc] initWithFrame:CGRectMake(130, 200, 60, 60)]; 
[myImageview setImage:[UIImage imageNamed:@"image.png"]]; 
[self.view addSubview:myImageview];

來源

2014-05-14 user3631436

的可能重複的[IOS：創建一個UIImage或UIImageView的具有圓角（http://stackoverflow.com/questions/7705879/ios-create-a-uiimage-or-uiimageview-with-rounded-corners） – n00bProgrammer

只要你能做到。

只要按照這個代碼..

#import <QuartzCore/QuartzCore.h> 

[myImageview.layer setBorderColor:[[UIColor redColor] CGColor]]; // For border color 
[myImageview.layer setBorderWidth:5.0]; // For Border width 
[myImageview.layer setCornerRadius:45.0f]; // For Corner radious 
[myImageview.layer setMasksToBounds:YES];

來源

2014-05-14 10:24:12

非常感謝。 – user3631436

試試這個對的UIImageView：

myImageview.layer.cornerRadius = myImageview.width/2; 
myImageview.layer.masksToBounds = YES; 
myImageview.layer.borderWidth = 5.0f; 
myImageview.layer.borderColor = [[UIColor redColor] CGColor]; 

myImageview.contentMode = UIViewContentModeCenter;

來源

2014-05-14 10:22:39

進口QuartzCore框架然後在.h文件中

#import <QuartzCore/QuartzCore.h>

然後，只需做以下

UIImageView *myImageview = [[UIImageView alloc] initWithFrame:CGRectMake(130, 200, 60, 60)]; 
[myImageview setImage:[UIImage imageNamed:@"image.png"]]; 
myImageview.layer.cornerRadius = 30; 
myImageview.layer.borderWidth = 5.0; // or whatever width you want to apply 
myImageview.layer.borderColor = [[UIColor redColor] CGColor]; 
[self.view addSubview:myImageview];

來源

2014-05-14 10:23:49 Pancho

確保你有你的項目QuartzCore框架，然後在其中創建此圖像查看文件進口#import <QuartzCore/QuartzCore.h>。

UIImageView *myImageview = [[UIImageView alloc] initWithFrame:CGRectMake(130, 200, 60, 60)]; 
[myImageview setImage:[UIImage imageNamed:@"image.png"]]; 

myImageview.clipsToBounds = YES: 
myImageview.layer.masksToBounds = YES; 
myImageview.layer.cornerRadius = myImageview.bounds.width/2.0f; 
myImageview.layer.borderWidth = 5.0; 
myImageview.layer.borderColor = [UIColor redColor]; 


[self.view addSubview:myImageview];

來源

2014-05-14 10:24:33 rckoenes

需要到您正在創建圖像視圖在文件中添加QuartzCore框架在您的項目，然後#import<QuartzCore/QuartzCore. h>。

UIImageView *myImageview = [[UIImageView alloc] initWithFrame:CGRectMake(130, 200, 60, 60)]; 
[myImageview setImage:[UIImage imageNamed:@"image.png"]]; 
myImageview.clipsToBounds = YES: 
[self.view addSubview:myImageview]; 
[self updateImageViewLayer:myImageview.layer withBorderColor:[UIColor redColor] borderWidth:5.f cornerRadius:(myImageview.bounds.width/2.f)]; 

- (void)updateImageViewLayer:(CALayer*)layer withBorderColor:(UIColor *)color borderWidth:(CGFloat)width cornerRadius:(CGFloat)radius 
{ 
    layer.borderWidth = width; 
    layer.borderColor = color.CGColor; 
    layer.cornerRadius = radius/2.f; 
    layer.masksToBounds = YES; 
}

我做了一個函數，重用它用於不同的UIImageView對象。

來源

2014-05-14 10:36:49 Hemang

夫特3解決方案：

extension UIImageView{ 
    var circled : UIImageView{ 
     self.layer.cornerRadius = self.frame.width/2; 
     self.layer.borderWidth = 2 
     self.layer.borderColor = UIColor.red.cgColor 
     self.clipsToBounds = true 
     return self 
    } 
}

用法：

imageView?.circled.image = UIImage()

來源

2017-03-28 17:12:46 Maor

如何使UIImageView成爲一個圓圈[iOS]

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