Does not the flood fill algorithm not work with this situation ?? https://en.wikipedia.org/wiki/Flood_fill https://en.wikipedia.org/wiki/Flood_fill Otherwise t

Does not the flood fill algorithm not work with this situation ?? https://en.wikipedia.org/wiki/Flood_fill https://en.wikipedia.org/wiki/Flood_fill Otherwise there is https://sourceforge.net/projects/polyclipping/ https://sourceforge.net/projects/polyclipping/