模糊

#if 0GPUImageGaussianBlurFilter *gaussianBlurFilter = [[GPUImageGaussianBlurFilter alloc] init];

[gaussianBlurFilter forceProcessingAtSize:CGSizeMake(200,300)];

[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];//获取渲染后的图片

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

imageView.frame= CGRectMake(50,50,200,300);

[self.viewaddSubview:imageView];#endif