def gen_bline_outline(lottie, bline_point):
"""
Generates the bline corresponding to outline layer by adding some vertices
to bline and converting it to region layer
Some parts are common with gen_bline_shapePropKeyframe(), which will be
placed in a common function latter
Args:
lottie (dict) : Lottie format outline layer will be stored in this
bline_point (common.Param.Param) : Synfig format bline points
Returns:
(None)
"""
################### SECTION 1 #########################
# Inserting waypoints if not animated and finding the first and last frame
window = {}
window["first"] = sys.maxsize
window["last"] = -1
bline = Bline(bline_point[0], bline_point)
for entry in bline.get_entry_list():
pos = entry["point"]
origin = entry["origin"]
width = entry["width"]
t1 = entry["t1"]
t2 = entry["t2"]
split_r = entry["split_radius"]
split_a = entry["split_angle"]
pos.update_frame_window(window)
# Empty the pos and fill in the new animated pos
pos.animate("vector")
origin.update_frame_window(window)
origin.animate("real")
width.update_frame_window(window)
width.animate("real")
split_r.update_frame_window(window)
split_r.animate_without_path("bool")
split_a.update_frame_window(window)
split_a.animate_without_path("bool")
animate_tangents(t1, window)
animate_tangents(t2, window)
# Open up the window if bline points are animated
entry["ActivepointList"].update_frame_window(window)
layer = bline.get_layer().get_layer()
outer_width = layer.get_param("width")
sharp_cusps = layer.get_param("sharp_cusps")
expand = layer.get_param("expand")
r_tip0 = layer.get_param("round_tip[0]")
r_tip1 = layer.get_param("round_tip[1]")
homo_width = layer.get_param("homogeneous_width")
origin = layer.get_param("origin")
# Animating the origin
origin.update_frame_window(window)
origin.animate("vector")
# Animating the outer width
outer_width.update_frame_window(window)
outer_width.animate("real")
# Animating the sharp_cusps
sharp_cusps.update_frame_window(window)
sharp_cusps.animate_without_path("bool")
# Animating the expand param
expand.update_frame_window(window)
expand.animate("real")
# Animating the round tip 0
r_tip0.update_frame_window(window)
r_tip0.animate_without_path("bool")
# Animating the round tip 1
r_tip1.update_frame_window(window)
r_tip1.animate_without_path("bool")
# Animating the homogeneous width
homo_width.update_frame_window(window)
homo_width.animate_without_path("bool")
# Minimizing the window size
if window["first"] == sys.maxsize and window["last"] == -1:
window["first"] = window["last"] = 0
################# END OF SECTION 1 ###################
################ SECTION 2 ###########################
# Generating values for all the frames in the window
lottie_st_list, lottie_en_list = [], []
fr = window["first"]
while fr <= window["last"]:
st_val, en_val = insert_dict_at(lottie, -1, fr, False) # This loop needs to be considered somewhere down
lottie_st_list.append(st_val)
lottie_en_list.append(en_val)
synfig_outline(bline, st_val, origin, outer_width, sharp_cusps, expand, r_tip0, r_tip1, homo_width, fr)
synfig_outline(bline, en_val, origin, outer_width, sharp_cusps, expand, r_tip0, r_tip1, homo_width, fr + 1)
fr += 1
equalize_length(lottie_st_list, lottie_en_list)
# Setting the final time
lottie.append({})
lottie[-1]["t"] = fr
def gen_dynamic_list_polygon(lottie, dynamic_list):
"""
Generates the bline corresponding to polygon layer
Args:
lottie (dict) : Lottie format polygon layer will be stored here
dynamic_list (common.Param.Param) : Synfig format points of polygon
Returns:
(None)
"""
################## SECTION 1 ################
# Inserting the waypoints if not animated, finding the first and last frame
# Calculating the path after this
window = {}
window["first"] = sys.maxsize
window["last"] = -1
dynamic_list = Bline(dynamic_list[0], dynamic_list)
for entry in dynamic_list.get_entry_list():
pos = entry["vector"]
pos.update_frame_window(window)
z = Param(pos.getparent(), pos.getparent().getparent())
z.animate("vector", True)
entry["vector"] = z
layer = dynamic_list.get_layer().get_layer()
origin = layer.get_param("origin")
# Animating the origin
origin.update_frame_window(window)
origin.animate("vector")
if window["first"] == sys.maxsize and window["last"] == -1:
window["first"] = window["last"] = 0
################ END OF SECTION 1 ##############
################ SECTION 2 #####################
# Generating values for all the frames in the window
fr = window["first"]
while fr <= window["last"]:
st_val, en_val = insert_dict_at(lottie, -1, fr, False)
for entry in dynamic_list.get_entry_list():
pos_cur = entry["vector"].get_value(fr)
pos_next = entry["vector"].get_value(fr + 1)
tangent1_cur, tangent2_cur = Vector(0, 0), Vector(0, 0)
tangent1_next, tangent2_next = Vector(0, 0), Vector(0, 0)
# Adding origin to each vertex
origin_cur = origin.get_value(fr)
origin_next = origin.get_value(fr + 1)
for i in range(len(pos_cur)):
pos_cur[i] += origin_cur[i]
for i in range(len(pos_next)):
pos_next[i] += origin_next[i]
# Store values in dictionary
st_val["i"].append(tangent1_cur.get_list())
st_val["o"].append(tangent2_cur.get_list())
st_val["v"].append(pos_cur)
en_val["i"].append(tangent1_next.get_list())
en_val["o"].append(tangent2_next.get_list())
en_val["v"].append(pos_next)
fr += 1
# Setting the final time
lottie.append({})
lottie[-1]["t"] = fr
def gen_bline_region(lottie, bline_point):
"""
Generates the dictionary corresponding to properties/shapePropKeyframe.json,
given a bline/spline
Args:
lottie (dict) : Lottie generated keyframes will be stored here for shape/path
bline_path (common.Param.Param) : shape/path store in Synfig format
Returns:
(None)
"""
################### SECTION 1 #########################
# Inserting waypoints if not animated and finding the first and last frame
window = {}
window["first"] = sys.maxsize
window["last"] = -1
bline = Bline(bline_point[0], bline_point)
loop = bline.get_loop()
for entry in bline.get_entry_list():
pos = entry["point"]
origin = entry["origin"]
t1 = entry["t1"]
t2 = entry["t2"]
split_r = entry["split_radius"]
split_a = entry["split_angle"]
width = entry["width"] # Not needed, but required by Bline class
# Hence we do not update the window also
width.animate("real")
origin.update_frame_window(window)
origin.animate("real")
# Necassary to update this before inserting new waypoints, as new
# waypoints might include there on time: 0 seconds
pos.update_frame_window(window)
pos.animate("vector", True)
split_r.update_frame_window(window)
split_r.animate_without_path("bool")
split_a.update_frame_window(window)
split_a.animate_without_path("bool")
animate_tangents(t1, window)
animate_tangents(t2, window)
entry["ActivepointList"].update_frame_window(window)
layer = bline.get_layer().get_layer()
origin = layer.get_param("origin")
# Animating the origin
origin.update_frame_window(window)
origin.animate("vector")
# Minimizing the window size
if window["first"] == sys.maxsize and window["last"] == -1:
window["first"] = window["last"] = 0
################# END OF SECTION 1 ###################
################ SECTION 2 ###########################
# Generating values for all the frames in the window
fr = window["first"]
lottie_st_list = []
lottie_en_list = []
while fr <= window["last"]:
st_val, en_val = insert_dict_at(lottie, -1, fr, loop)
lottie_st_list.append(st_val)
lottie_en_list.append(en_val)
synfig_region(bline, st_val, origin, fr)
synfig_region(bline, en_val, origin, fr + 1)
fr += 1
equalize_length(lottie_st_list, lottie_en_list)
# Setting final time
lottie.append({})
lottie[-1]["t"] = fr
def gen_bline_region(lottie, bline_point):
"""
Generates the dictionary corresponding to properties/shapePropKeyframe.json,
given a bline/spline
Args:
lottie (dict) : Lottie generated keyframes will be stored here for shape/path
bline_path (common.Param.Param) : shape/path store in Synfig format
Returns:
(None)
"""
################### SECTION 1 #########################
# Inserting waypoints if not animated and finding the first and last frame
window = {}
window["first"] = sys.maxsize
window["last"] = -1
bline = Bline(bline_point[0], bline_point)
loop = bline.get_loop()
for entry in bline.get_entry_list():
pos = entry["point"]
t1 = entry["t1"]
t2 = entry["t2"]
split_r = entry["split_radius"]
split_a = entry["split_angle"]
# Necassary to update this before inserting new waypoints, as new
# waypoints might include there on time: 0 seconds
pos.update_frame_window(window)
pos.animate("vector", True)
split_r.update_frame_window(window)
split_r.animate_without_path("bool")
split_a.update_frame_window(window)
split_a.animate_without_path("bool")
animate_tangents(t1, window)
animate_tangents(t2, window)
layer = bline.get_layer().get_layer()
origin = layer.get_param("origin")
# Animating the origin
origin.update_frame_window(window)
origin.animate("vector")
# Minimizing the window size
if window["first"] == sys.maxsize and window["last"] == -1:
window["first"] = window["last"] = 0
################# END OF SECTION 1 ###################
################ SECTION 2 ###########################
# Generating values for all the frames in the window
fr = window["first"]
while fr <= window["last"]:
st_val, en_val = insert_dict_at(lottie, -1, fr, loop)
for entry in bline.get_entry_list():
pos = entry["point"]
pos_cur, pos_next = pos.get_value(fr), pos.get_value(fr + 1)
t1 = entry["t1"]
t2 = entry["t2"]
split_r = entry["split_radius"]
split_a = entry["split_angle"]
tangent1_cur, tangent2_cur = get_tangent_at_frame(
t1, t2, split_r, split_a, fr)
tangent1_next, tangent2_next = get_tangent_at_frame(
t1, t2, split_r, split_a, fr + 1)
tangent1_cur, tangent2_cur = convert_tangent_to_lottie(
tangent1_cur, tangent2_cur)
tangent1_next, tangent2_next = convert_tangent_to_lottie(
tangent1_next, tangent2_next)
# Adding origin to each vertex
origin_cur, origin_next = origin.get_value(fr), origin.get_value(
fr + 1)
for i in range(len(pos_cur)):
pos_cur[i] += origin_cur[i]
for i in range(len(pos_next)):
pos_next[i] += origin_next[i]
# Store values in dictionary
st_val["i"].append(tangent1_cur.get_list())
st_val["o"].append(tangent2_cur.get_list())
st_val["v"].append(pos_cur)
en_val["i"].append(tangent1_next.get_list())
en_val["o"].append(tangent2_next.get_list())
en_val["v"].append(pos_next)
fr += 1
# Setting final time
lottie.append({})
lottie[-1]["t"] = fr