Reference for RGB matrix library

I am planing to buy the led matrix from adafruit:

But i dindnt find any reference for the library to control it. This is the best reference page that i found:

But it doesnt have the full reference of the library. Can someone help me.

Library : GitHub - adafruit/RGB-matrix-Panel: Arduino library and example code for the 16x32 RGB matrix panels in the shop

Old post, I know, but I had the same exact problem and this was one of the few hits I got from my search.

I then realized that I was looking for the wrong thing: I didn't want the reference documentation for the Matrix library, but the GFX library instead: