#import <UIKit/UIKit.h>

 #import <Accelerate/Accelerate.h>

 @interface UIImage (TY_ImageEditP)

 /**

  *  对图片进行模糊

  *

  *  @param image 要处理图片

  *  @param blur  模糊系数 (0.0-1.0)

  *

  *  @return 处理后的图片

  */

 + (UIImage *)blurryImage:(UIImage *)image withBlurLevel:(CGFloat)blur;

 @end

 1 #import "UIImage+TY_ImageEditP.h"

 @implementation UIImage (TY_ImageEditP)

 + (UIImage *)blurryImage:(UIImage *)image withBlurLevel:(CGFloat)blur {

     if (!image) {

         return nil;

     }

     if ((blur < 0.0f) || (blur > 1.0f)) {

         blur = 0.5f;

     }

     int boxSize = (int)(blur * );

     boxSize -= (boxSize % ) + ;

     CGImageRef img = image.CGImage;

     vImage_Buffer inBuffer, outBuffer;

     vImage_Error error;

     void *pixelBuffer;

     CGDataProviderRef inProvider = CGImageGetDataProvider(img);

     CFDataRef inBitmapData = CGDataProviderCopyData(inProvider);

     inBuffer.width = CGImageGetWidth(img);

     inBuffer.height = CGImageGetHeight(img);

     inBuffer.rowBytes = CGImageGetBytesPerRow(img);

     inBuffer.data = (void*)CFDataGetBytePtr(inBitmapData);

     pixelBuffer = malloc(CGImageGetBytesPerRow(img) * CGImageGetHeight(img));

     outBuffer.data = pixelBuffer;

     outBuffer.width = CGImageGetWidth(img);

     outBuffer.height = CGImageGetHeight(img);

     outBuffer.rowBytes = CGImageGetBytesPerRow(img);

     error = vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer, NULL,

                                        , , boxSize, boxSize, NULL,

                                        kvImageEdgeExtend);

     if (error) {

         NSLog(@"error from convolution %ld", error);

     }

     CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();

     CGContextRef ctx = CGBitmapContextCreate(

                                              outBuffer.data,

                                              outBuffer.width,

                                              outBuffer.height,

                                              ,

                                              outBuffer.rowBytes,

                                              colorSpace,

                                              CGImageGetBitmapInfo(image.CGImage));

     CGImageRef imageRef = CGBitmapContextCreateImage (ctx);

     UIImage *returnImage = [UIImage imageWithCGImage:imageRef];

     //clean up

     CGContextRelease(ctx);

     CGColorSpaceRelease(colorSpace);

     free(pixelBuffer);

     CFRelease(inBitmapData);

     CGColorSpaceRelease(colorSpace);

     CGImageRelease(imageRef);

     return returnImage;

 }

 @end

  __weak typeof(self) weakSelf = self;

                 [self.myImageView sd_setImageWithURL:[NSURL URLWithString:[ZLModel checkImageUrlNsstring:myModel.address withHttp:TY_IMAGEURL]] placeholderImage:[UIImage imageNamed:consultDefault] completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {

                     //毛玻璃效果处理

                     UIImage *imageN = [UIImage blurryImage:image withBlurLevel:0.2];

                     weakSelf.imageN = imageN;

                     self.myImageView.image = self.imageN;

                 }];