部分模糊

#if 0// 部分清晰的高斯模糊GPUImageGaussianSelectiveBlurFilter *gaussianBlurFilter = [[GPUImageGaussianSelectiveBlurFilter alloc] init];

gaussianBlurFilter.blurRadiusInPixels=5;// 模糊的程度 默认:5[gaussianBlurFilter forceProcessingAtSize:inputImage.size];

[gaussianBlurFilter useNextFrameForImageCapture];//获取数据源

GPUImagePicture *stillImageSource = [[GPUImagePicture alloc]initWithImage:inputImage];//添加上滤镜[stillImageSource addTarget:gaussianBlurFilter];//开始渲染

[stillImageSource processImage];

gaussianBlurFilter.excludeCirclePoint= CGPointMake(150,150);//    gaussianBlurFilter.excludeBlurSize = 300.0;gaussianBlurFilter.excludeCircleRadius=10;//获取渲染后的图片

UIImage*newImage = [gaussianBlurFilter imageFromCurrentFramebuffer];//加载出来UIImageView*imageView = [[UIImageViewalloc] initWithImage:newImage];

imageView.frame= CGRectMake(50,50,320,650);

[self.viewaddSubview:imageView];#endif