center of the circle on which the arc sits
coordinate to start drawing the arc
coordinate to finish drawing the arc
width and height of the ellipse to draw the arc along (i.e. [width, height])
angle in degrees to rotate ellipse about its center
0 to draw shorter of 2 arcs, 1 to draw longer
0 to rotate CCW, 1 to rotate CW
Path data for a wedge
Return series of elements that render a "wedge", which is the same as the arc above except that it's connected to the circle center and filled.