Obviously, this limits you to strictly vertical or horizontal lines, but at least the lines will not be pixelated. However, you can somewhat create smooth curves with this method by holding Shift and clicking in small increments to form a curved shape. It’s a bit inefficient, but it works!
The fill settings only apply to shapes that have a space that can be filled, and not theLinetool.The line toolis especially useful if youneed to make arrows, as you can head to theGear iconbefore creating your line and set it to feature an arrowhead on one end, by selecting only Star...