Blur UIImage outside of bounds (Photoshop-style)

Question

I\'m trying to do a Gaussian blur on a UIImage that replicates my photoshop mockup.

Desired Behavior: In Photoshop, when I run a Gaussian blur filter,

Answer 1

Try resizing the UIImageView's bounds to adjust to the blur. A view will clip what is outside of its bounds. Note that in your example, the box blurred in photoshop looks to be about 20% larger than the original image.

UIImageView *image;
image.layer.bounds = CGRectMake(0, 
                                0, 
                                image.layer.bounds.size.width + 5, 
                                image.layer.bounds.size.height + 5);