tip1:给UIImage添加毛玻璃效果funcblurImage(value:NSNumber)->UIImage{letcontext=CIContext(options:[KCIContextUseSoftwareRenderer:true])letciImage=CoreImage.CIImage(image:self)letblurFilter=CIFilter(name:"CIGassianBlur")blurFilter?.setValue(ciImage,forKey...
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