kronik/DKLiveBlur — pull request #13 by zkwentz (2014-04-08 03:47:47+00:00)
Title: check if blurRadius is <= 0.0f in applyBlurOnImage

If blurRadius comes into **applyBlurOnImage** as exactly 0.0f for whatever reason (including in my case, explictly setting it to that, **vImageBoxConvolve_ARGB8888** will throw an **EXC_BAD_ACCESS** error, as boxSize is set to -1.