头像添加边框

1.

UIImage * image = [UIImage imageNamed:@

'icon_huo'

];

2.

UIImageView * imageV = self.imageView;

3.

imageV.layer.masksToBounds = YES;

4.

imageV.layer.cornerRadius =imageV.frame.size.width /

2

;

5.

/**如果需要边框，请把下面2行注释去掉*/

6.

//    imageV.layer.borderColor = [UIColor purpleColor].CGColor;

7.

//    imageV.layer.borderWidth = 10;

8.

imageV.image=  image;

1.

<strong>UIImage+XG.h 文件

2.

</strong>

01.

#

import

<UIKit/UIKit.h>

02.

03.

@interface

UIImage (XG)

04.

05.

/**

06.

*  @param icon         头像图片名称

07.

*  @param borderImage  边框的图片名称

08.

*  @param border       边框大小

09.

*

10.

*  @return 圆形的头像图片

11.

*/

12.

+ (instancetype)imageWithIconName:(NSString *)icon borderImage:(NSString *)borderImage border:(

int

)border;

13.

@end

1.

<strong>UIImage+XG.m 文件

2.

</strong>

01.

#

import

'UIImage+XG.h'

02.

03.

@implementation

UIImage (XG)

04.

05.

+ (instancetype)imageWithIconName:(NSString *)icon borderImage:(NSString *)borderImage border:(

int

)border{

06.

//头像图片

07.

UIImage * image = [UIImage imageNamed:icon];

08.

//边框图片

09.

UIImage * borderImg = [UIImage imageNamed:borderImage];

10.

//

11.

CGSize size = CGSizeMake(image.size.width + border,image.size.height + border);

12.

13.

//创建图片上下文

14.

UIGraphicsBeginImageContextWithOptions(size,NO,

0

);

15.

16.

//绘制边框的圆

17.

CGContextRef context = UIGraphicsGetCurrentContext();

18.

CGContextAddEllipseInRect(context,CGRectMake(

0

,

0

,size.width,size.height));

19.

20.

//剪切可视范围

21.

CGContextClip(context);

22.

23.

//绘制边框图片

24.

[borderImg drawInRect:CGRectMake(

0

,

0

,size.width,size.height)];

25.

26.

//设置头像frame

27.

CGFloat iconX = border /

2

;

28.

CGFloat iconY = border /

2

;

29.

CGFloat iconW = image.size.width;

30.

CGFloat iconH = image.size.height;

31.

32.

//绘制圆形头像范围

33.

CGContextAddEllipseInRect(context,CGRectMake(iconX,iconY,iconW,iconH));

34.

35.

//剪切可视范围

36.

CGContextClip(context);

37.

38.

//绘制头像

39.

[image drawInRect:CGRectMake(iconX,iconY,iconW,iconH)];

40.

41.

//取出整个图片上下文的图片

42.

UIImage *iconImage = UIGraphicsGetImageFromCurrentImageContext();

43.

44.

return

iconImage;

45.

}

46.

@end

1.

1.

1.

UIImage * image = [UIImage imageWithIconName:@

'icon_huo'

borderImage:@

'border'

border:

40

];

2.

3.

self.imageView.image=  image;