The algorithm which repaints an area that was originally painted by merging a foreground color F and background color B where F!=B.
(a) Tint fill
(b) Flood fill
(c) Linear soft-fill
(d) Boundary fill
I have been asked this question by my college director while I was bunking the class.
I need to ask this question from Area Fill Attributes topic in portion Graphics Primitives of Computer Graphics