Cases of the Sutherland Hodgeman polygon clipping

Question

What are the four cases of the Sutherland Hodgeman polygon clipping? Describe it in brief.

Answer 1

The four possible cases of the Sutherland Hodgeman polygon clipping are as follows:

a) When the first vertex is exterior to the window boundary and the second vertex inside.

b) When the first vertex is inside window boundary and second vertex exterior.

c) When both the vertex is outside.

d) When both the vertex is inside.