// MARK:sdwebimage圆角裁切封装
extension UIImageView{
funcsd_setImageWithURL(urlStr:NSString,cornerRadius:CGFloat){
if(urlStr.length<=0) {return}
leturl =NSURL.init(string: urlStrasString)
ifcornerRadius!=0.0{
// 有圆角，读取圆角的缓存图片
let cacheurlStr = urlStr.appending("radius=%.1f\(cornerRadius)")
letcacheImage =SDImageCache.shared().imageFromDiskCache(forKey: cacheurlStr)
ifcacheImage !=nil{
self.image= cacheImage;
}else{
SDWebImageManager.shared().loadImage(with: urlasURL?, options:SDWebImageOptions.retryFailed) { (receivedSize, expectedSize, targetURL)in
} completed: { (image, data, error, cacheType, finished, imageURL)in
iffinished==true{
image?.imageWithCornerRadius(cornerRadius: cornerRadius, callBack: { (radiusImage)in
self.image= radiusImage;
SDImageCache.shared().store(radiusImage, forKey: cacheurlStr, completion:nil)
})
}
}
}
}
else{
self.sd_setImage(with: urlasURL?, placeholderImage:nil, options:SDWebImageOptions.retryFailed) { (image, error, cacheType, imageURL)in
}
}
}
}
// MARK: 圆角裁切
extension UIImage{
// MARK:裁切为圆形
///裁切为圆形 图片本身应为正方形
funccirclemage(callBack:@escaping(_image:UIImage) ->()) {
self.imageWithCornerRadius(cornerRadius:self.size.width*0.5) { (image)in
callBack(image)
}
}
// MARK:分线程裁切圆角
///分线程裁切圆角
func imageWithCornerRadius(cornerRadius:CGFloat,callBack:@escaping(_image:UIImage) ->()) {
ifcornerRadius<=0{
return
}
DispatchQueue.global().async{
// 开始裁切圆角
letbounds =CGRect(x:0, y:0, width:self.size.width, height:self.size.height);
UIGraphicsBeginImageContextWithOptions(self.size, false, UIScreen.main.scale);
letcontext =UIGraphicsGetCurrentContext();
letpath =UIBezierPath(roundedRect: bounds, cornerRadius: cornerRadius)
context?.addPath(path.cgPath)
context?.clip()
self.draw(in: bounds)
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
//回到主线程刷新UI
DispatchQueue.main.async(execute: {
callBack(image ??UIImage())
})
}
}
// MARK:主线程裁切圆角
///主线程裁切圆角
func imageWithCornerRadius(cornerRadius:CGFloat) ->UIImage{
ifcornerRadius<=0{returnself}
letoriginImage =self;
// 开始裁切圆角
letbounds =CGRect(x:0, y:0, width:self.size.width, height:self.size.height);
UIGraphicsBeginImageContextWithOptions(self.size, false, UIScreen.main.scale);
let context = UIGraphicsGetCurrentContext();
letpath =UIBezierPath(roundedRect: bounds, cornerRadius: cornerRadius)
context?.addPath(path.cgPath)
context?.clip()
originImage.draw(in: bounds)
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
returnimage!
}
func originalRenderImage() -> UIImage {
self.withRenderingMode(.alwaysOriginal)
return self
}
}
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