Computer Graphics

Graphics Quiz2 2022 exam

Given the window coordinates (Xwmin,Xwmax,Ywmin,Ywmax) as
(100,200,50,100), and line endpoints (150,125) and (50,75). Then after
applying line clipping, the x coordinates of the horizontal intersection is:

In OpenGL, the minimum number of vertices needed to draw a filed 8-
sides polygon using GL_QUAD_STRIP is:

In OpenGL, a filed Pentagon (5-sides polygon) can be drawn with
repeating vertices (points) using the following primitive:

In Graphical User Interface, icons representing actions are called:

Given the window coordinates (Xwmin,Xwmax,Ywmin,Ywmax) as
(100,300,100,200), viewport coordinates (Xvmin,Xvmax,Yvmin,Yvmax) as (50,150,50,150).
&nbsp;What is the value of scaling in y direction.