def contours(path):
""" Returns a list of contours in the path, as BezierPath objects.
A contour is a sequence of lines and curves separated from the next contour by a MOVETO.
For example, the glyph "o" has two contours: the inner circle and the outer circle.
"""
contours = []
current_contour = None
empty = True
for i, el in enumerate(path):
if el.cmd == MOVETO:
if not empty:
contours.append(current_contour)
current_contour = BezierPath()
current_contour.moveto(el.x, el.y)
empty = True
elif el.cmd == LINETO:
empty = False
current_contour.lineto(el.x, el.y)
elif el.cmd == CURVETO:
empty = False
current_contour.curveto(el.ctrl1.x, el.ctrl1.y, el.ctrl2.x, el.ctrl2.y, el.x, el.y)
elif el.cmd == CLOSE:
current_contour.closepath()
if not empty:
contours.append(current_contour)
return contours
