/*
- (id)initWithCoder:(NSCoder *)aDecoder
{
if (self = [super initWithCoder:aDecoder]) {
// 设置图片的主图层圆角
self.iconView.layer.cornerRadius = 8;
// 设置超出主图层的部分剪切
// self.iconView.clipsToBounds = YES;
self.iconView.layer.masksToBounds = YES;
NSLog(@"initWithCoder");
}
return self;
}
*/
- (void)awakeFromNib
{
// 设置图片的主图层圆角
self.iconView.layer.cornerRadius = 8;
// 设置超出主图层的部分剪切
self.iconView.clipsToBounds = YES;
}
#import "UIImage+DY.h"@implementation UIImage (DY)+ (instancetype)circleImageWithName:(NSString *)name borderWidth:(CGFloat)borderWidth borderColor:(UIColor *)borderColor{ // 1.加载原图 UIImage *oldImage = [UIImage imageNamed:name]; // 2.开启上下文 CGFloat imageW = oldImage.size.width + 2 * borderWidth; CGFloat imageH = oldImage.size.height + 2 * borderWidth; CGSize imageSize = CGSizeMake(imageW, imageH); UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0.0); // 3.取得当前的上下文 CGContextRef ctx = UIGraphicsGetCurrentContext(); // 4.画边框(大圆) [borderColor set]; CGFloat bigRadius = imageW * 0.5; // 大圆半径 CGFloat centerX = bigRadius; // 圆心 CGFloat centerY = bigRadius; CGContextAddArc(ctx, centerX, centerY, bigRadius, 0, M_PI * 2, 0); CGContextFillPath(ctx); // 画圆 // 5.小圆 CGFloat smallRadius = bigRadius - borderWidth; CGContextAddArc(ctx, centerX, centerY, smallRadius, 0, M_PI * 2, 0); // 裁剪(后面画的东西才会受裁剪的影响) CGContextClip(ctx); // 6.画图 [oldImage drawInRect:CGRectMake(borderWidth, borderWidth, oldImage.size.width, oldImage.size.height)]; // 7.取图 UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext(); // 8.结束上下文 UIGraphicsEndImageContext(); return newImage;}