def get_outline_param_at_frame(composite, fr):
"""
Given a composite and frame, returns the parameters of the outline layer at
that frame
Args:
composite (lxml.etree._Element) : Vertex of outline layer in Synfig format
fr (int) : frame number
Returns:
(misc.Vector) : position of the vertex
(float) : width of the vertex
(misc.Vector) : Tangent 1 of the vertex
(misc.Vector) : Tangent 2 of the vertex
(bool) : True if radius split is ticked at this frame
(bool) : True if tangent split is ticked at this frame
"""
for child in composite:
if child.tag == "point_path":
dictionary = ast.literal_eval(child.text)
pos = get_vector_at_frame(dictionary, fr)
elif child.tag == "width_path":
dictionary = ast.literal_eval(child.text)
width = to_Synfig_axis(get_vector_at_frame(dictionary, fr), "real")
elif child.tag == "t1":
t1 = child[0]
elif child.tag == "t2":
t2 = child[0]
elif child.tag == "split_radius":
split_r = child
elif child.tag == "split_angle":
split_a = child
# Convert pos back to Synfig coordinates
pos = to_Synfig_axis(pos, "vector")
pos_ret = Vector(pos[0], pos[1])
t1, t2 = get_tangent_at_frame(t1, t2, split_r, split_a, fr)
# Convert to Synfig units
t1 /= settings.PIX_PER_UNIT
t2 /= settings.PIX_PER_UNIT
split_r_val = get_bool_at_frame(split_r[0], fr)
split_a_val = get_bool_at_frame(split_a[0], fr)
return pos_ret, width, t1, t2, split_r_val, split_a_val
def get_value_at_frame(self, entry, fr):
"""
"""
pos = to_Synfig_axis(entry["point"].get_value(fr), "vector")
pos = common.Vector.Vector(pos[0], pos[1])
width = to_Synfig_axis(entry["width"].get_value(fr), "real")
origin = to_Synfig_axis(entry["origin"].get_value(fr), "real")
t1 = entry["t1"]
t2 = entry["t2"]
split_r = entry["split_radius"]
split_a = entry["split_angle"]
t1, t2 = get_tangent_at_frame(t1, t2, fr)
# convert to synfig units
t1 /= settings.PIX_PER_UNIT
t2 /= settings.PIX_PER_UNIT
split_r_val = split_r.get_value(fr)
split_a_val = split_a.get_value(fr)
return BlinePoint(pos, width, split_r_val, split_a_val, t1, t2, origin)
def get_outline_param_at_frame(entry, fr):
"""
Given a entry and frame, returns the parameters of the outline layer at
that frame
Args:
entry (dict) : Vertex of outline layer in Synfig format
fr (int) : frame number
Returns:
(common.Vector.Vector) : position of the vertex
(float) : width of the vertex
(common.Vector.Vector) : Tangent 1 of the vertex
(common.Vector.Vector) : Tangent 2 of the vertex
(bool) : True if radius split is ticked at this frame
(bool) : True if tangent split is ticked at this frame
"""
pos = entry["point"].get_value(fr)
# Convert pos back to Synfig coordinates
pos = to_Synfig_axis(pos, "vector")
pos_ret = Vector(pos[0], pos[1])
width = entry["width"].get_value(fr)
width = to_Synfig_axis(width, "real")
t1 = entry["t1"]
t2 = entry["t2"]
split_r = entry["split_radius"]
split_a = entry["split_angle"]
t1, t2 = get_tangent_at_frame(t1, t2, split_r, split_a, fr)
# Convert to Synfig units
t1 /= settings.PIX_PER_UNIT
t2 /= settings.PIX_PER_UNIT
split_r_val = split_r.get_value(fr)
split_a_val = split_a.get_value(fr)
return pos_ret, width, t1, t2, split_r_val, split_a_val
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 (lxml.etree._Element) : shape/path store in Synfig format
Returns:
(None)
"""
################### SECTION 1 #########################
# Inserting waypoints if not animated and finding the first and last frame
# AFter that, there path will be calculated in lottie format which can
# latter be used in get_vector_at_frame() function
window = {}
window["first"] = sys.maxsize
window["last"] = -1
loop = False
if "loop" in bline_point.keys():
val = bline_point.attrib["loop"]
if val == "false":
loop = False
else:
loop = True
for entry in bline_point:
composite = entry[0]
for child in composite:
if child.tag == "point":
pos = child
elif child.tag == "t1":
t1 = child
elif child.tag == "t2":
t2 = child
elif child.tag == "split_radius":
split_r = child
elif child.tag == "split_angle":
split_a = child
# Necassary to update this before inserting new waypoints, as new
# waypoints might include there on time: 0 seconds
update_frame_window(pos[0], window)
# Empty the pos and fill in the new animated pos
pos = gen_dummy_waypoint(pos, "point", "vector")
update_child_at_parent(composite, pos, "point")
update_frame_window(split_r[0], window)
split_r = gen_dummy_waypoint(split_r, "split_radius", "bool")
update_child_at_parent(composite, split_r, "split_radius")
update_frame_window(split_a[0], window)
split_a = gen_dummy_waypoint(split_a, "split_angle", "bool")
update_child_at_parent(composite, split_a, "split_angle")
append_path(pos[0], composite, "point_path", "vector")
animate_radial_composite(t1[0], window)
animate_radial_composite(t2[0], window)
layer = bline_point.getparent().getparent()
for chld in layer:
if chld.tag == "param" and chld.attrib["name"] == "origin":
origin = chld
# Animating the origin
update_frame_window(origin[0], window)
origin_parent = origin.getparent()
origin = gen_dummy_waypoint(origin, "param", "vector", "origin")
update_child_at_parent(origin_parent, origin, "param", "origin")
# Generate path for the origin component
origin_dict = {}
origin[0].attrib["transform_axis"] = "true"
gen_properties_multi_dimensional_keyframed(origin_dict, origin[0], 0)
# 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_point:
composite = entry[0]
for child in composite:
if child.tag == "point_path":
dictionary = ast.literal_eval(child.text)
pos_cur = get_vector_at_frame(dictionary, fr)
pos_next = get_vector_at_frame(dictionary, fr + 1)
elif child.tag == "t1":
t1 = child[0]
elif child.tag == "t2":
t2 = child[0]
elif child.tag == "split_radius":
split_r = child
elif child.tag == "split_angle":
split_a = child
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)
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 = get_vector_at_frame(origin_dict, fr)
origin_next = get_vector_at_frame(origin_dict, 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
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
