1D Box Blur

Hello,

I want to impelment fast 1D Box Blur on an image.
I saw IPP's function 'SumWindowColumns' and 'SumWindowRow':

https://software.intel.com/en-us/node/504126
https://software.intel.com/en-us/node/504125

I was wondering, do they have efficient implementation which is independent of the Kernel Size?
This could be done using Integral Images or the trick to add a pixel and remove one.

Moreover, could you add a feature to have Weight per window?
Why doesn't the function support 32f type of images?

Thank You.