One-dimensional blur filter. 
  412                                                   {
  415        } else {
  417        }
  418        return *this;
  419    }
PIXEL_TYPE *const leds
pointer to the LED data
const int8_t dir
direction of the LED data, either 1 or -1. Determines how the pointer is incremented.
const int len
length of the LED data, in PIXEL_TYPE units.
Represents a view/window into a set of LED pixels, providing array-like access and rich color operati...
#define FUNCTION_BLUR1D(a, b, c)