Round corners

This filter adds rounded corners to the image using the specified color as the background.

Normal Image:

https://push-3272.5centscdn.com/KB_IMG/Lights_5centsCDN.jpg

Transformed Image:

https://push-3272.5centscdn.com/KB_IMG/Lights_5centsCDN.jpg?im=filters:round_corner(30,0,0,0,1)