Introduction - If you have any usage issues, please Google them yourself
Seed algorithm, seed filling algorithm, also known as the boundary filling algorithm. The basic idea is: starting a point within the polygon area within the external point of a given color painting until the border. If the border is a color specified, the seed filling algorithm processing pixel by pixel until it reaches the border color so far. Seed filling algorithm for the Four and eight-connected components connected domain technique the filling operation.