def draw_path(path_data):
if not path_data: return None
import svg
p = svg.path_from_string(path_data)
p.fillColor = None
p.strokeWidth = 1
p.strokeColor = Color()
return p
def import_svg(self):
# Parses the string from the node's path parameter and constructs a path
self.path_string = self.getValue("path")
self.path = svg.path_from_string(self.path_string)
self._points = []
# Converts the path data into a list of PathElements
for contour in self.path.contours:
if not (len(contour.points) == 1 and contour.points[0].x == 0 and contour.points[0].y == 0):
first = None
curvePoint = PathElement()
curvePoint.cmd = CURVETO
first_curvepoint = True
for point in contour.points:
if first is None or point.isLineTo():
# Checks for MOVETO or LINETO PathElements.
# The first point of a Curve is always a MOVETO,
# The other ones are LINETO's.
pe = PathElement()
if first is None:
first = point
pe.cmd = MOVETO
else:
pe.cmd = LINETO
pe.x = point.x
pe.y = point.y
self._points.append(pe)
else:
# Checks for CURVETO PathElements.
# A new element will only be appended to the points list
# when all necessary data has been found by going through the loop
if first_curvepoint:
curvePoint.ctrl1 = point
first_curvepoint = False
elif point.isOffCurve():
curvePoint.ctrl2 = point
else:
curvePoint.x = point.x
curvePoint.y = point.y
self._points.append(curvePoint)
curvePoint = PathElement()
curvePoint.cmd = CURVETO
first_curvepoint = True
if contour.closed:
pe = PathElement()
pe.cmd = CLOSE
self._points.append(pe)
