def handle_command(self, command, coord_string):
isLower = command.islower()
command = command.upper()
# new_points are the points that will be added to the curr_points
# list. This variable may get modified in the conditionals below.
points = self.growing_path.points
new_points = self.string_to_points(coord_string)
if command == "M": # moveto
if isLower and len(points) > 0:
new_points[0] += points[-1]
if len(points) > 0:
self.growing_path = self.add_subpath(new_points[:1])
else:
self.growing_path.start_at(new_points[0])
if len(new_points) <= 1:
return
points = self.growing_path.points
new_points = new_points[1:]
command = "L"
if isLower and len(points) > 0:
new_points += points[-1]
if command in ["L", "H", "V"]: # lineto
if command == "H":
new_points[0, 1] = points[-1, 1]
elif command == "V":
if isLower:
new_points[0, 0] -= points[-1, 0]
new_points[0, 0] += points[-1, 1]
new_points[0, 1] = new_points[0, 0]
new_points[0, 0] = points[-1, 0]
new_points = new_points.repeat(3, axis=0)
elif command == "C": # curveto
pass # Yay! No action required
elif command in ["S", "T"]: # smooth curveto
handle1 = points[-1] + (points[-1] - points[-2])
new_points = np.append([handle1], new_points, axis=0)
if command in ["Q", "T"]: # quadratic Bezier curve
# TODO, this is a suboptimal approximation
new_points = np.append([new_points[0]], new_points, axis=0)
elif command == "A": # elliptical Arc
raise Exception("Not implemented")
elif command == "Z": # closepath
if not is_closed(points):
# Both handles and new anchor are the start
new_points = points[[0, 0, 0]]
# self.mark_paths_closed = True
# Handle situations where there's multiple relative control points
if isLower and len(new_points) > 3:
for i in range(3, len(new_points), 3):
new_points[i:i + 3] -= points[-1]
new_points[i:i + 3] += new_points[i - 1]
self.growing_path.add_control_points(new_points)
def handle_command(self, command, coord_string):
isLower = command.islower()
command = command.upper()
# new_points are the points that will be added to the curr_points
# list. This variable may get modified in the conditionals below.
points = self.growing_path.points
new_points = self.string_to_points(coord_string)
if command == "M": # moveto
if isLower and len(points) > 0:
new_points[0] += points[-1]
if len(points) > 0:
self.growing_path = self.add_subpath(new_points[:1])
else:
self.growing_path.start_at(new_points[0])
if len(new_points) <= 1:
return
points = self.growing_path.points
new_points = new_points[1:]
command = "L"
if isLower and len(points) > 0:
new_points += points[-1]
if command in ["L", "H", "V"]: # lineto
if command == "H":
new_points[0, 1] = points[-1, 1]
elif command == "V":
if isLower:
new_points[0, 0] -= points[-1, 0]
new_points[0, 0] += points[-1, 1]
new_points[0, 1] = new_points[0, 0]
new_points[0, 0] = points[-1, 0]
new_points = new_points.repeat(3, axis=0)
elif command == "C": # curveto
pass # Yay! No action required
elif command in ["S", "T"]: # smooth curveto
handle1 = points[-1] + (points[-1] - points[-2])
new_points = np.append([handle1], new_points, axis=0)
if command in ["Q", "T"]: # quadratic Bezier curve
# TODO, this is a suboptimal approximation
new_points = np.append([new_points[0]], new_points, axis=0)
elif command == "A": # elliptical Arc
raise Exception("Not implemented")
elif command == "Z": # closepath
if not is_closed(points):
# Both handles and new anchor are the start
new_points = points[[0, 0, 0]]
# self.mark_paths_closed = True
# Handle situations where there's multiple relative control points
if isLower and len(new_points) > 3:
for i in range(3, len(new_points), 3):
new_points[i:i + 3] -= points[-1]
new_points[i:i + 3] += new_points[i - 1]
self.growing_path.add_control_points(new_points)
def set_anchor_points(self, points, mode="smooth"):
if not isinstance(points, np.ndarray):
points = np.array(points)
if self.close_new_points and not is_closed(points):
points = np.append(points, [points[0]], axis=0)
if mode == "smooth":
self.set_points_smoothly(points)
elif mode == "corners":
self.set_points_as_corners(points)
else:
raise Exception("Unknown mode")
return self
def set_anchor_points(self, points, mode="smooth"):
if not isinstance(points, np.ndarray):
points = np.array(points)
if self.close_new_points and not is_closed(points):
points = np.append(points, [points[0]], axis=0)
if mode == "smooth":
self.set_points_smoothly(points)
elif mode == "corners":
self.set_points_as_corners(points)
else:
raise Exception("Unknown mode")
return self
def prepare_new_anchor_points(self, points):
if not isinstance(points, np.ndarray):
points = np.array(points)
if self.close_new_points and not is_closed(points):
points = np.append(points, [points[0]], axis=0)
return points
def is_closed(self):
return is_closed(self.points)
def is_closed(self):
return is_closed(self.points)
