Oh yeah. In that case, I did try that, but for whatever reason it didn't perform well or I wasn't happy with the look. (It was probably performance).
You can play around with the sprite rendering in the code. This [0] is the line for each individual pixel. And this[1] is where I generate the repeated pixel subroutines.
0: https://github.com/mmulet/font-game-engine/blob/e92a97ecbf8c...
1: https://github.com/mmulet/font-game-engine/blob/e92a97ecbf8c...