Boundary Fill Algorithm

In the days of MS-Paint, we all drew something and filled it with a color. Such task falls under Region Filling (Seed-Fill) Algorithms.

Region Filling is the process of filling a region or an image. Further depending upon filling, it can be categorized as:

Boundary Filling Algorithm - region inside the boundary of same pixel valueFlood Filling Algorithm - region having same pixel value

Fig.1 Flood Fill Algorithm

Fig.2 Boundary Fill Algorithm

In this article, we are goin...