Graphics, Programming, Ubuntu 20 04, Computer Graphics, Installation.
programs: (Note: Not written by but adopted from Internet source, links given at last) Other link for example code: https://www.thecrazyprogrammer.com/2017/01/dda-line-drawing-algorithm-c-c.html https://www.includehelp.com/code-snippets/c-graphics-program-to-draw-a-line.aspx