Draws a portion of a circle with at middle point at
y). The arc starts at an
alpha and ends at an angle of
beta. It is drawn clockwise (use
ps_arc() to draw counterclockwise). The subpath added to
the current path starts on the arc at angle
ends on the arc at angle
Resource identifier of the postscript file as returned by ps_new().
The x-coordinate of the circle's middle point.
The y-coordinate of the circle's middle point.
The radius of the circle
The starting angle given in degrees.
The end angle given in degrees.