draw_arc          110 lib/gfxpoly/stroke.c 		    draw_arc(draw, p[pos].x, p[pos].y, lastw-M_PI/2, w-M_PI/2, width);
draw_arc          145 lib/gfxpoly/stroke.c 		draw_arc(draw, p[pos].x, p[pos].y, lastw-M_PI/2, lastw+M_PI/2, width);