図形描画 rect() oval() line() arrow() star() rect(x, y, width, height, roundness=0.0, draw=True) oval(x, y, width, height, draw=True) line(x1, y1, x2, y2, draw=True) arrow(x, y, width, type=NORMAL, draw=True) #type=NORMAL/FORTYFIVE star(x, y, points=20, outer=100, inner=50, draw=True) パス beginpath() moveto() lineto() curveto() endpath() findpath() drawpath() beginclip() endclip() autoclosepath() not y