Here's the source code for draw_fill: https://github.com/chowderman/xp-paint/blob/b6dfcce7f449d3bb6eec21c3c859571067e7c771/xp-paint/src/image-manipulation.js#L3

Here's the source code for draw_fill: https://github.com/chowderman/xp-paint/blob/b6dfcce7f449d3bb6eec21c3c859571067e7c771/xp-paint/src/image-manipulation.js#L362 https://github.com/chowderman/xp-paint/blob/b6dfcce7f449d3bb...