Filling: The filling in this project is called flood filling. It is not entirely accurate, but it still works. You have to put your mouse at the top of where you want to fill because sometimes it won't fill above your mouse. It takes about one to ten seconds depending on how big the area you are filling is. Squares: To insert a square, you have to click (to where the top left corner of your square is going to go) and then drag (to where the bottom right corner of your square is going to go). Lines: To insert a line, you have to click and drag to where you want your line to go.
