def gen_mask(lottie, invert, bline_point, idx):
"""
Generates a mask. This was specifically needed to support the invert
parameter
Args:
lottie (dict) : The final mask will be stored in this dict
invert (bool) : Tells if the invert parameter is set or not
bline_point (lxml.etree._Element) : Synfig format shape
idx (int) : Specifies the index of this mask
Returns:
(None)
"""
lottie["inv"] = invert
lottie["mode"] = settings.MASK_ADDITIVE
lottie["pt"] = {}
lottie["o"] = {} # Opacity
lottie["x"] = {} # Expression
lottie["nm"] = "Mask " + str(idx)
index = Count()
gen_properties_shapeKeyframed(lottie["pt"], bline_point, index.inc())
gen_properties_value(lottie["o"], settings.DEFAULT_OPACITY, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
gen_properties_value(lottie["x"], 0, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
convert_non_loop(lottie["pt"])
def gen_effects_opacity(lottie, layer, idx):
"""
Generates the dictionary corresponding to effects/opacity.json
Args:
lottie (dict) : Lottie format effects stored in this
layer (lxml.etree._Element) : Synfig format layer
idx (int) : Index/Count of effect
Returns:
(None)
"""
index = Count()
lottie["ty"] = settings.EFFECTS_OPACITY # Effect type
lottie["nm"] = "Opacity" # Name
lottie["ix"] = idx # Index
lottie["v"] = {} # Value of opacity
for child in layer:
if child.attrib["name"] == "amount":
is_animate = is_animated(child[0])
if is_animate == 2:
# Telling the function that this is for opacity
child[0].attrib['type'] = 'effects_opacity'
gen_value_Keyframed(lottie["v"], child[0], index.inc())
else:
if is_animate == 0:
val = float(child[0].attrib["value"])
else:
val = float(child[0][0][0].attrib["value"])
gen_properties_value(lottie["v"],
val,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
def gen_shapes_fill(lottie, layer):
"""
Generates the dictionary corresponding to shapes/fill.json
Args:
lottie (dict) : The lottie generated fill layer will be stored in it
layer (lxml.etree._Element): Synfig format fill (can be shape/solid anything, we
only need color and opacity part from it) layer
Returns:
(None)
"""
index = Count()
lottie["ty"] = "fl" # Type if fill
lottie["c"] = {} # Color
lottie["o"] = {} # Opacity of the fill layer
for child in layer:
if child.tag == "param":
if child.attrib["name"] == "color":
is_animate = is_animated(child[0])
if is_animate == 2:
gen_value_Keyframed(lottie["c"], child[0], index.inc())
else:
if is_animate == 0:
val = child[0]
else:
val = child[0][0][0]
red = float(val[0].text)
green = float(val[1].text)
blue = float(val[2].text)
red, green, blue = red ** (1/settings.GAMMA), green **\
(1/settings.GAMMA), blue ** (1/ settings.GAMMA)
alpha = float(val[3].text)
gen_properties_value(lottie["c"],
[red, green, blue, alpha],
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
elif child.attrib["name"] == "amount":
is_animate = is_animated(child[0])
if is_animate == 2:
# Telling the function that this is for opacity
child[0].attrib['type'] = 'opacity'
gen_value_Keyframed(lottie["o"], child[0], index.inc())
else:
if is_animate == 0:
val = float(child[0].attrib["value"]
) * settings.OPACITY_CONSTANT
else:
val = float(child[0][0][0].attrib["value"]
) * settings.OPACITY_CONSTANT
gen_properties_value(lottie["o"], val, index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
def gen_shapes_fill(lottie, layer):
"""
Generates the dictionary corresponding to shapes/fill.json
Args:
lottie (dict) : The lottie generated fill layer will be stored in it
layer (common.Layer.Layer) : Synfig format fill (can be shape/solid anything, we
only need color and opacity part from it) layer
Returns:
(None)
"""
index = Count()
lottie["ty"] = "fl" # Type if fill
lottie["c"] = {} # Color
lottie["o"] = {} # Opacity of the fill layer
# Color
color = layer.get_param("color").get()
is_animate = is_animated(color[0])
if is_animate == settings.ANIMATED:
gen_value_Keyframed(lottie["c"], color[0], index.inc())
else:
if is_animate == settings.NOT_ANIMATED:
val = color[0]
else:
val = color[0][0][0]
red = float(val[0].text)
green = float(val[1].text)
blue = float(val[2].text)
red, green, blue = red**(1 / settings.GAMMA[0]), green**(
1 / settings.GAMMA[1]), blue**(1 / settings.GAMMA[2])
alpha = float(val[3].text)
gen_properties_value(lottie["c"], [red, green, blue, alpha],
index.inc(), settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# Color Opacity
opacity = layer.get_param("amount").get()
is_animate = is_animated(opacity[0])
if is_animate == settings.ANIMATED:
# Telling the function that this is for opacity
opacity[0].attrib['type'] = 'opacity'
gen_value_Keyframed(lottie["o"], opacity[0], index.inc())
else:
if is_animate == settings.NOT_ANIMATED:
val = float(opacity[0].attrib["value"]) * settings.OPACITY_CONSTANT
else:
val = float(
opacity[0][0][0].attrib["value"]) * settings.OPACITY_CONSTANT
gen_properties_value(lottie["o"], val, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
def gen_linear_gradient(lottie, layer, idx):
"""
Generates the dictionary corresponding to shapes/gFill.json but with linear gradient
Args:
"""
index = Count()
lottie["ty"] = "gf"
lottie["r"] = 1 # Don't know it's meaning yet, but works without this also
lottie["o"] = {} # Opacity of the gradient layer
lottie["nm"] = layer.get_description()
lottie["t"] = 1 # 1 means linear gradient layer
lottie["s"] = {} # Starting point of gradient
lottie["e"] = {} # Ending point of gradient
lottie["g"] = {} # Gradient information is stored here
# Color Opacity
opacity = layer.get_param("amount").get()
is_animate = is_animated(opacity[0])
if is_animate == settings.ANIMATED:
# Telling the function that this is for opacity
opacity[0].attrib['type'] = 'opacity'
gen_value_Keyframed(lottie["o"], opacity[0], index.inc())
else:
if is_animate == settings.NOT_ANIMATED:
val = float(opacity[0].attrib["value"]) * settings.OPACITY_CONSTANT
else:
val = float(
opacity[0][0][0].attrib["value"]) * settings.OPACITY_CONSTANT
gen_properties_value(lottie["o"], val, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# Starting point
p1 = layer.get_param("p1")
p1.animate("vector")
p1.fill_path(lottie, "s")
# Ending point
p2 = layer.get_param("p2")
p2.animate("vector")
p2.fill_path(lottie, "e")
# Gradient colors
lottie["g"]["k"] = {}
lottie["g"]["ix"] = index.inc()
gradient = layer.get_param("gradient")
modify_gradient(gradient)
gradient.animate(
"gradient") # To find the lottie path of the modified gradient
lottie["g"]["p"] = len(gradient.get()[0][0][0])
gradient.fill_path(lottie["g"], "k")
modify_gradient_according_to_latest_version(lottie["g"]["k"])
def gen_effects_vfeather(lottie, idx):
"""
Generates the dictionary corresponding to effects/vertical feather
Args:
lottie (dict) : Lottie format effects stored in this
idx (int) : Index/Count of effect
Returns:
(None)
"""
index = Count()
lottie["ty"] = settings.EFFECTS_VFEATHER # Effect type
lottie["nm"] = "Vertical Feather" # Name
lottie["ix"] = idx # Index
lottie["v"] = {} # value
gen_properties_value(lottie["v"], 0, index.inc(), 0, settings.NO_INFO)
def gen_effects_fillmask(lottie, idx):
"""
Generates the dictionary corresponding to effects/fillmask.json
Args:
lottie (dict) : Lottie format effects stored in this
idx (int) : Index/Count of effect
Returns:
(None)
"""
index = Count()
lottie["ty"] = settings.EFFECTS_FILL_MASK # Effect type
lottie["nm"] = "Fill Mask" # Name
lottie["ix"] = idx # Index
lottie["v"] = {} # value
gen_properties_value(lottie["v"], 0, index.inc(), 0, settings.NO_INFO)
def gen_effects_hfeather(lottie, layer, idx):
"""
Generates the dictionary corresponding to effects/horizontal feather
Args:
lottie (dict) : Lottie format effects stored in this
layer (lxml.etree._Element) : Synfig format layer
idx (int) : Index/Count of effect
Returns:
(None)
"""
index = Count()
lottie["ty"] = settings.EFFECTS_HFEATHER # Effect type
lottie["nm"] = "Horizontal Feather" # Name
lottie["ix"] = idx # Index
lottie["v"] = {} # value
gen_properties_value(lottie["v"], 0, index.inc(), 0, settings.NO_INFO)
def gen_effects_allmask(lottie, layer, idx):
"""
Generates the dictionary corresponding to effects/allmask.json
Args:
lottie (dict) : Lottie format effects stored in this
layer (lxml.etree._Element) : Synfig format layer
idx (int) : Index/Count of effect
Returns:
(None)
"""
index = Count()
lottie["ty"] = settings.EFFECTS_ALL_MASK # Effect type
lottie["nm"] = "All Masks" # Name
lottie["ix"] = idx # Index
lottie["v"] = {} # value
gen_properties_value(lottie["v"], 0, index.inc(), 0, settings.NO_INFO)
def fill_path(self, lottie, key):
"""
Fill's the lottie dictionary with the path of the parameter
"""
if self.param[0].tag in settings.CONVERT_METHODS:
expression = "var $bm_rt; $bm_rt = {expr}"
expression = expression.format(expr=self.expression)
if self.dimension == 1:
val = 1
else:
val = [1, 1]
gen_properties_value(lottie[key], val, 0, 0, expression)
if "ef" not in self.get_layer().get_lottie_layer().keys():
self.get_layer().get_lottie_layer()["ef"] = []
self.get_layer().get_lottie_layer()["ef"].extend(
self.expression_controllers)
else:
lottie[key] = copy.deepcopy(self.path)
def gen_effects_color(lottie, layer, idx):
"""
Generates the dictionary corresponding to effects/color.json
Args:
lottie (dict) : Lottie format effects stored in this
layer (lxml.etree._Element) : Synfig format layer
idx (int) : Index/Count of effect
Returns:
(None)
"""
index = Count()
lottie["ty"] = settings.EFFECTS_COLOR # Effect type
lottie["nm"] = "Color" # Name
lottie["ix"] = idx # Index
lottie["v"] = {} # Value of color
for child in layer:
if child.tag == "param":
if child.attrib["name"] == "color":
is_animate = is_animated(child[0])
if is_animate == 2:
gen_value_Keyframed(lottie["v"], child[0], index.inc())
else:
if is_animate == 0:
val = child[0]
else:
val = child[0][0][0]
red = float(val[0].text)
green = float(val[1].text)
blue = float(val[2].text)
red, green, blue = red ** (1/settings.GAMMA), green **\
(1/settings.GAMMA), blue ** (1/ settings.GAMMA)
alpha = float(val[3].text)
gen_properties_value(lottie["v"],
[red, green, blue, alpha],
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
def generate_dimensions_dict(lottie, idx, direction):
"""
This function will be called for filling blur layer properties
Args:
lottie (dict) : Lottie Dictionary for blur layer properties
idx (int) : Stores the index(number of) of blur layer properties
direction (string) : Indicates the direction of blurring
Returns:
(None)
"""
lottie["ty"] = 7
lottie["nm"] = "Blur Dimensions"
lottie["mn"] = "Gaussian Blur 2"
lottie["ix"] = idx
lottie["v"] = {}
if direction == "horizontal":
lottie["nm"] = "Blur Dimensions"
lottie["mn"] = "Gaussian Blur 2"
gen_properties_value(lottie["v"], 2, idx, settings.DEFAULT_ANIMATED,
settings.NO_INFO)
elif direction == "vertical":
lottie["nm"] = "Blur Dimensions"
lottie["mn"] = "Gaussian Blur 2"
gen_properties_value(lottie["v"], 3, idx, settings.DEFAULT_ANIMATED,
settings.NO_INFO)
else:
lottie["nm"] = "Repeat Edge Pixels"
lottie["mn"] = "Gaussian Blur 3"
gen_properties_value(lottie["v"], 0, idx, settings.DEFAULT_ANIMATED,
settings.NO_INFO)
def blurriness(lottie, parameter, idx, direction):
"""
This function will be called for blur layer direction to create the blurriness
value dictionary
Args:
lottie (dict) : Lottie Dictionary for blurriness
parameter (common.Param.Param) : Synfig format param for blur size
idx (int) : Stores the index(number of) of blurriness
direction (string) : Indicates the direction of blurring
Returns:
(None)
"""
lottie["ty"] = 0
lottie["nm"] = "Blurriness"
lottie["mn"] = "Gaussian Blur 1"
lottie["ix"] = idx
lottie["v"] = {}
is_animate = is_animated(parameter[0])
if is_animate == settings.ANIMATED:
if direction == "horizontal":
parameter[0].attrib['type'] = 'blur_anim_x'
gen_value_Keyframed(lottie["v"], parameter[0], 1)
else:
parameter[0].attrib['type'] = 'blur_anim_y'
gen_value_Keyframed(lottie["v"], parameter[0], 1)
else:
if is_animate == settings.NOT_ANIMATED:
if direction == "horizontal":
val = float(parameter[0][0].text) * 100
else:
val = float(parameter[0][1].text) * 100
else:
if direction == "horizontal":
val = float(parameter[0][0][0].text) * 100
else:
val = float(parameter[0][0][1].text) * 100
gen_properties_value(lottie["v"], val, 1, settings.DEFAULT_ANIMATED,
settings.NO_INFO)
def gen_helpers_transform(lottie,
layer,
pos=settings.DEFAULT_POSITION,
anchor=settings.DEFAULT_ANCHOR,
scale=settings.DEFAULT_SCALE,
rotation=settings.DEFAULT_ROTATION,
opacity=settings.DEFAULT_OPACITY):
"""
Generates the dictionary corresponding to helpers/transform.json
Args:
lottie (dict) : Lottie format layer
layer (lxml.etree._Element) : Synfig format layer
pos (:obj: `list | lxml.etree._Element`, optional) : position of layer
anchor (:obj: `list | lxml.etree._Element`, optional) : anchor point of layer
scale (:obj: `list | lxml.etree._Element`, optional) : scale of layer
rotation (:obj: `float | lxml.etree._Element`, optional) : rotation of layer
opacity (:obj: `float | lxml.etree._Element`, optional) : Opacity of layer
Returns:
(None)
"""
index = Count()
lottie["o"] = {} # opacity/Amount
lottie["r"] = {} # Rotation of the layer
lottie["p"] = {} # Position of the layer
lottie["a"] = {} # Anchor point of the layer
lottie["s"] = {} # Scale of the layer
# setting the position
if isinstance(pos, list):
gen_properties_value(lottie["p"], pos, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
else:
is_animate = is_animated(pos)
if is_animate == 2:
gen_properties_multi_dimensional_keyframed(lottie["p"], pos,
index.inc())
else:
x_val, y_val = 0, 0
if is_animate == 0:
x_val = float(pos[0].text) * settings.PIX_PER_UNIT
y_val = float(pos[1].text) * settings.PIX_PER_UNIT
else:
x_val = float(pos[0][0][0].text) * settings.PIX_PER_UNIT
y_val = float(pos[0][0][1].text) * settings.PIX_PER_UNIT
gen_properties_value(lottie["p"], change_axis(x_val, y_val, True),
index.inc(), settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# setting the opacity
if isinstance(opacity, (float, int)):
gen_properties_value(lottie["o"], opacity, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
else:
is_animate = is_animated(opacity)
if is_animate == 2:
opacity.attrib["type"] = "opacity"
gen_value_Keyframed(lottie["o"], opacity, index.inc())
else:
if is_animate == 0:
val = float(
opacity.attrib["value"]) * settings.OPACITY_CONSTANT
else:
val = float(
opacity[0][0].attrib["value"]) * settings.OPACITY_CONSTANT
gen_properties_value(lottie["o"], val, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# setting the rotation
if isinstance(rotation, (float, int)):
gen_properties_value(lottie["r"], rotation, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
else:
is_animate = is_animated(rotation)
if is_animate == 2:
gen_value_Keyframed(lottie["r"], rotation, index.inc())
else:
theta = 0 # default rotation
if is_animate == 0:
theta = (float(rotation.attrib["value"]))
else:
theta = (float(rotation[0][0].attrib["value"]))
gen_properties_value(lottie["r"], theta, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# setting the anchor point
if isinstance(anchor, list):
gen_properties_value(lottie["a"], anchor, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
else:
is_animate = is_animated(anchor)
if is_animate == 2:
gen_properties_multi_dimensional_keyframed(lottie["a"], anchor,
index.inc())
else:
x_val, y_val = 0, 0
if is_animate == 0:
x_val = float(anchor[0].text) * settings.PIX_PER_UNIT
y_val = float(anchor[1].text) * settings.PIX_PER_UNIT
else:
x_val = float(anchor[0][0][0].text) * settings.PIX_PER_UNIT
y_val = float(anchor[0][0][1].text) * settings.PIX_PER_UNIT
gen_properties_value(lottie["a"], change_axis(x_val, y_val, True),
index.inc(), settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# setting the scale
if isinstance(scale, list):
gen_properties_value(lottie["s"], scale, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# This means scale parameter is animated
else:
is_animate = is_animated(scale)
if is_animate == 2:
gen_value_Keyframed(lottie["s"], scale, index.inc())
else:
zoom = 0
if is_animate == 0:
zoom = float(scale.attrib["value"])
else:
zoom = float(scale[0][0].attrib["value"])
zoom = (math.e**zoom) * 100
gen_properties_value(lottie["s"], [zoom, zoom], index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
def gen_bline_outline_constant(lottie, bline_point, layer, transformation, idx):
"""
"""
index = Count()
lottie["ty"] = "gr"
lottie["nm"] = "Shape "+ str(idx)
lottie["np"] = 3
lottie["cix"] = 2
lottie["bm"] = 0
lottie["ix"] = idx
lottie["mn"] = "ADBE Vector Group " +str(idx)
lottie["hd"] = "false"
lottie["it"] = []
lottie["it"].append({})
lottie["it"].append({})
lottie["it"].append({})
bline = Bline(bline_point[0], bline_point)
#Creating transformation dictionary
lottie["it"][2]["ty"] = "tr"
lottie["it"][2]["nm"] = "Transform"
lottie["it"][2].update(transformation)
#Creating stroke dictionary
lottie["it"][1]["ty"] = "st"
lottie["it"][1]["lc"] = 2
lottie["it"][1]["lj"] = 1
lottie["it"][1]["ml"] = 37
lottie["it"][1]["bm"] = 0
lottie["it"][1]["nm"] = "Stroke " + str(idx)
lottie["it"][1]["mn"] = "ADBE Vector Graphic - Stroke " +str(idx)
lottie["it"][1]["hd"] = "false"
lottie["it"][1]["c"] = {}
lottie["it"][1]["o"] = {}
lottie["it"][1]["w"] = {}
#Color
color = layer.get_param("color").get()
is_animate = is_animated(color[0])
if is_animate == settings.ANIMATED:
gen_value_Keyframed(lottie["it"][1]["c"], color[0], index.inc())
else:
if is_animate == settings.NOT_ANIMATED:
val = color[0]
else:
val = color[0][0][0]
red = float(val[0].text)
green = float(val[1].text)
blue = float(val[2].text)
red, green, blue = red ** (1/settings.GAMMA[0]), green ** (1/settings.GAMMA[1]), blue ** (1/ settings.GAMMA[2])
alpha = float(val[3].text)
gen_properties_value(lottie["it"][1]["c"],
[red, green, blue, alpha],
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
#Opacity
opacity = layer.get_param("amount")
opacity.animate("opacity")
opacity.fill_path(lottie["it"][1],"o")
#Constant width
loop = bline.get_loop()
width = layer.get_param("width")
width.scale_convert_link(1)
width.animate("real")
width.fill_path(lottie["it"][1],"w")
#Creating shape dictionary
lottie["it"][0]["ind"] = 0
lottie["it"][0]["ty"] = "sh"
lottie["it"][0]["ix"] = 1
lottie["it"][0]["ks"] = {}
lottie["it"][0]["nm"] = "Path 1"
lottie["it"][0]["mn"] = "ADBE Vector Shape - Group"
lottie["it"][0]["hd"] = "false"
lottie["it"][0]["ks"]["a"] = 1
lottie["it"][0]["ks"]["ix"] = lottie["it"][0]["ix"] + 1
lottie["it"][0]["ks"]["k"] = []
window = {}
window["first"] = sys.maxsize
window["last"] = -1
for entry in bline.get_entry_list():
pos = entry["point"]
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")
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)
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
frames = list(set(settings.WAYPOINTS_LIST))
length = bline.get_len()
flag = False
if loop:
flag = True
for fr in frames:
if fr!=1:
st_val = insert_dict_at(lottie["it"][0]["ks"]["k"], -1, fr, flag,True)
cur_origin = origin.get_value(fr)
for point in range(0,length):
pos_ret, width, t1, t2, split_r_val, split_a_val = get_outline_param_at_frame(bline[point],fr)
cubic_to(pos_ret,t1,t2,st_val,cur_origin,False,True)
def gen_helpers_transform(lottie, pos=settings.DEFAULT_POSITION, anchor=settings.DEFAULT_ANCHOR, scale=settings.DEFAULT_SCALE, rotation=settings.DEFAULT_ROTATION, opacity=settings.DEFAULT_OPACITY, skew=settings.DEFAULT_SKEW):
"""
Generates the dictionary corresponding to helpers/transform.json
Args:
lottie (dict) : Lottie format layer
pos (:obj: `list | lxml.etree._Element`, optional) : position of layer
anchor (:obj: `list | lxml.etree._Element`, optional) : anchor point of layer
scale (:obj: `list | lxml.etree._Element`, optional) : scale of layer
rotation (:obj: `float | lxml.etree._Element`, optional) : rotation of layer
opacity (:obj: `float | lxml.etree._Element`, optional) : Opacity of layer
Returns:
(None)
"""
index = Count()
lottie["o"] = {} # opacity/Amount
lottie["r"] = {} # Rotation of the layer
lottie["p"] = {} # Position of the layer
lottie["a"] = {} # Anchor point of the layer
lottie["s"] = {} # Scale of the layer
lottie["sk"] = {} # skew of the layer
lottie["sa"] = {} # skew axis of the layer
# setting the position
if isinstance(pos, list):
gen_properties_value(lottie["p"],
pos,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
else:
pos.fill_path(lottie, "p")
# setting the opacity
if isinstance(opacity, (float, int)):
gen_properties_value(lottie["o"],
opacity,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
else:
opacity.fill_path(lottie, "o")
# setting the rotation
if isinstance(rotation, (float, int)):
gen_properties_value(lottie["r"],
rotation,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
else:
rotation.fill_path(lottie, "r")
# setting the anchor point
if isinstance(anchor, list):
gen_properties_value(lottie["a"],
anchor,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
else:
anchor.fill_path(lottie, "a")
# setting the scale
if isinstance(scale, list):
gen_properties_value(lottie["s"],
scale,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# This means scale parameter is animated
else:
scale.fill_path(lottie, "s")
# setting the skew angle
if isinstance(skew, (float, int)):
gen_properties_value(lottie["sk"],
skew,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
else:
skew.fill_path(lottie, "sk")
# setting the skew axis
gen_properties_value(lottie["sa"],
0,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
def gen_shapes_star(lottie, layer, idx):
"""
Generates the dictionary corresponding to shapes/star.json
Args:
lottie (dict) : The lottie generated star layer will be stored in it
layer (common.Layer.Layer) : Synfig format star layer
idx (int) : Stores the index of the star layer
Returns:
(None)
"""
index = Count()
lottie["ty"] = "sr" # Type: star
lottie["pt"] = {} # Number of points on the star
lottie["p"] = {} # Position of star
lottie["r"] = {} # Angle / Star's rotation
lottie["ir"] = {} # Inner radius
lottie["or"] = {} # Outer radius
lottie["is"] = {} # Inner roundness of the star
lottie["os"] = {} # Outer roundness of the star
regular_polygon = {"prop": "false"}
# Regular polygon
rp = layer.get_param("regular_polygon").get()
is_animate = is_animated(rp[0])
if is_animate == settings.ANIMATED:
regular_polygon["prop"] = "changing"
regular_polygon["animated"] = rp[0]
elif is_animate == settings.SINGLE_WAYPOINT:
regular_polygon["prop"] = rp[0][0][0].attrib["value"]
else:
regular_polygon["prop"] = rp[0].attrib["value"]
regular_polygon["animate"] = is_animate
# Points
points = layer.get_param("points").get()
is_animate = is_animated(points[0])
if is_animate == settings.ANIMATED:
# To uniquely identify the points, attribute type is changed
points[0].attrib['type'] = 'points'
gen_value_Keyframed(lottie["pt"], points[0], index.inc())
else:
num_points = 3 # default number of points
if is_animate == settings.NOT_ANIMATED:
num_points = int(points[0].attrib["value"])
else:
num_points = int(points[0][0][0].attrib["value"])
gen_properties_value(lottie["pt"], num_points, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# Angle
angle = layer.get_param("angle").get()
is_animate = is_animated(angle[0])
if is_animate == settings.ANIMATED:
gen_value_Keyframed(lottie["r"], angle[0], index.inc())
else:
theta = 0 # default angle for the star
if is_animate == settings.NOT_ANIMATED:
theta = get_angle(float(angle[0].attrib["value"]))
else:
theta = get_angle(float(angle[0][0][0].attrib["value"]))
gen_properties_value(lottie["r"], theta, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# Radius1
radius1 = layer.get_param("radius1").get()
is_animate = is_animated(radius1[0])
if is_animate == settings.ANIMATED:
gen_value_Keyframed(lottie["or"], radius1[0], index.inc())
else:
r_outer = 0 # default value for outer radius
if is_animate == settings.NOT_ANIMATED:
r_outer = float(radius1[0].attrib["value"])
else:
r_outer = float(radius1[0][0][0].attrib["value"])
gen_properties_value(lottie["or"],
int(settings.PIX_PER_UNIT * r_outer), index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# Radius2
radius2 = layer.get_param("radius2").get()
is_animate = is_animated(radius2[0])
if is_animate == settings.ANIMATED:
gen_value_Keyframed(lottie["ir"], radius2[0], index.inc())
else:
r_inner = 0 # default value for inner radius
if is_animate == settings.NOT_ANIMATED:
r_inner = float(radius2[0].attrib["value"])
else:
r_inner = float(radius2[0][0][0].attrib["value"])
gen_properties_value(lottie["ir"],
int(settings.PIX_PER_UNIT * r_inner), index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# Origin
origin = layer.get_param("origin").get()
is_animate = is_animated(origin[0])
if is_animate == settings.ANIMATED:
gen_properties_multi_dimensional_keyframed(lottie["p"], origin[0],
index.inc())
else:
x_val, y_val = 0, 0
if is_animate == settings.NOT_ANIMATED:
x_val = float(origin[0][0].text) * settings.PIX_PER_UNIT
y_val = float(origin[0][1].text) * settings.PIX_PER_UNIT
else:
x_val = float(origin[0][0][0][0].text) * settings.PIX_PER_UNIT
y_val = float(origin[0][0][0][1].text) * settings.PIX_PER_UNIT
gen_properties_value(lottie["p"], change_axis(x_val,
y_val), index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# If not animated, then go to if, else
if regular_polygon["animate"] in {0, 1}:
if regular_polygon["prop"] == "false":
lottie["sy"] = 1 # Star Type
# inner property is only needed if type is star
gen_properties_value(lottie["is"], 0, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
else:
lottie["sy"] = 2 # Polygon Type
# for polygon type, "ir" and "is" must not be present
del lottie["ir"]
# If animated, it will always be of type star
else:
lottie["sy"] = 1
gen_properties_value(lottie["is"], 0, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
gen_properties_value(lottie["os"], 0, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
lottie["ix"] = idx
def gen_shapes_rectangle(lottie, layer, idx):
"""
Generates the dictionary corresponding to shapes/rect.json
Args:
lottie (dict) : The lottie generated rectangle layer will be stored in it
layer (lxml.etree._Element): Synfig format rectangle layer
idx (int) : Stores the index of the rectangle layer
Returns:
(None)
"""
index = Count()
lottie["ty"] = "rc" # Type: rectangle
lottie["p"] = {} # Position of rectangle
lottie["d"] = settings.DEFAULT_DIRECTION
lottie["s"] = {} # Size of rectangle
lottie["ix"] = idx # setting the index
lottie["r"] = {} # Rounded corners of rectangle
points = {}
bevel_found = False
expand_found = False # For filled rectangle layers
for child in layer:
if child.tag == "param":
if child.attrib["name"] == "point1":
points["1"] = child # Store address of child here
elif child.attrib["name"] == "point2":
points["2"] = child # Store address of child here
elif child.attrib["name"] == "expand":
expand_found = True
param_expand = child
elif child.attrib["name"] == "bevel":
bevel_found = True
is_animate = is_animated(child[0])
if is_animate == 2:
gen_value_Keyframed(lottie["r"], child[0], index.inc())
else:
bevel = get_child_value(is_animate, child, "value")
bevel *= settings.PIX_PER_UNIT
gen_properties_value(lottie["r"], bevel, index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
if not bevel_found: # For rectangle layer in stable version 1.2.2
bevel = 0
gen_properties_value(lottie["r"], bevel, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
if not expand_found: # Means filled rectangle layer, gen expand param
st = "<param name='expand'><real value='0.0'/></param>"
param_expand = etree.fromstring(st)
# If expand parameter is not animated
param_expand = gen_dummy_waypoint(param_expand, "param", "real")
# expand parameter needs to be positive: required by Synfig
make_positive_valued(param_expand)
# If p1 not animated
points["1"] = gen_dummy_waypoint(points["1"], "param", "vector")
# If p2 not animated
points["2"] = gen_dummy_waypoint(points["2"], "param", "vector")
both_points_animated(points["1"], points["2"], param_expand, lottie, index)
def gen_shapes_circle(lottie, layer, idx):
"""
Generates the dictionary corresponding to shapes/ellipse.json where ellipse
will always be considered as circle
Args:
lottie (dict) : The lottie generated circle layer will be stored in it
layer (lxml.etree._Element): Synfig format circle layer
idx (int) : Stores the index of the circle layer
Returns:
(None)
"""
index = Count()
lottie["ty"] = "el" # Type: circle
lottie["p"] = {} # Position of circle
lottie["d"] = settings.DEFAULT_DIRECTION
lottie["s"] = {} # Size of circle
lottie["ix"] = idx # setting the index
for child in layer:
if child.tag == "param":
if child.attrib["name"] in {"origin", "center"}:
is_animate = is_animated(child[0])
if is_animate == 2:
gen_properties_multi_dimensional_keyframed(
lottie["p"], child[0], index.inc())
else:
x_val, y_val = 0, 0
if is_animate == 0:
x_val = float(child[0][0].text) * settings.PIX_PER_UNIT
y_val = float(child[0][1].text) * settings.PIX_PER_UNIT
else:
x_val = float(
child[0][0][0][0].text) * settings.PIX_PER_UNIT
y_val = float(
child[0][0][0][1].text) * settings.PIX_PER_UNIT
gen_properties_value(lottie["p"],
change_axis(x_val,
y_val), index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# This will be exported as size of ellipse in lottie format
elif child.attrib["name"] == "radius":
is_animate = is_animated(child[0])
if is_animate == 2:
child[0].attrib['type'] = "circle_radius"
gen_value_Keyframed(lottie["s"], child[0], index.inc())
else:
radius = 0 # default value for radius
if is_animate == 0:
radius = float(child[0].attrib["value"])
else:
radius = float(child[0][0][0].attrib["value"])
radius_pix = int(settings.PIX_PER_UNIT) * radius
diam = radius_pix * 2
gen_properties_value(lottie["s"], [diam, diam],
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
def gen_shapes_star(lottie, layer, idx):
"""
Generates the dictionary corresponding to shapes/star.json
Args:
lottie (dict) : The lottie generated star layer will be stored in it
layer (lxml.etree._Element): Synfig format star layer
idx (int) : Stores the index of the star layer
Returns:
(None)
"""
index = Count()
lottie["ty"] = "sr" # Type: star
lottie["pt"] = {} # Number of points on the star
lottie["p"] = {} # Position of star
lottie["r"] = {} # Angle / Star's rotation
lottie["ir"] = {} # Inner radius
lottie["or"] = {} # Outer radius
lottie["is"] = {} # Inner roundness of the star
lottie["os"] = {} # Outer roundness of the star
regular_polygon = {"prop": "false"}
for child in layer:
if child.tag == "param":
if child.attrib["name"] == "regular_polygon":
is_animate = is_animated(child[0])
if is_animate == 2:
regular_polygon["prop"] = "changing"
# Copy the child address to dictionary
regular_polygon["animated"] = child[0]
elif is_animate == 1:
regular_polygon["prop"] = child[0][0][0].attrib["value"]
else:
regular_polygon["prop"] = child[0].attrib["value"]
regular_polygon["animate"] = is_animate
elif child.attrib["name"] == "points":
is_animate = is_animated(child[0])
if is_animate == 2:
# To uniquely identify the points, attribute type is changed
child[0].attrib['type'] = 'points'
gen_value_Keyframed(lottie["pt"], child[0], index.inc())
else:
num_points = 3 # default number of points
if is_animate == 0:
num_points = int(child[0].attrib["value"])
else:
num_points = int(child[0][0][0].attrib["value"])
gen_properties_value(lottie["pt"], num_points, index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
elif child.attrib["name"] == "angle":
is_animate = is_animated(child[0])
if is_animate == 2:
gen_value_Keyframed(lottie["r"], child[0], index.inc())
else:
theta = 0 # default angle for the star
if is_animate == 0:
theta = get_angle(float(child[0].attrib["value"]))
else:
theta = get_angle(float(
child[0][0][0].attrib["value"]))
gen_properties_value(lottie["r"], theta, index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
elif child.attrib["name"] == "radius1":
is_animate = is_animated(child[0])
if is_animate == 2:
gen_value_Keyframed(lottie["or"], child[0], index.inc())
else:
r_outer = 0 # default value for outer radius
if is_animate == 0:
r_outer = float(child[0].attrib["value"])
else:
r_outer = float(child[0][0][0].attrib["value"])
gen_properties_value(lottie["or"],
int(settings.PIX_PER_UNIT * r_outer),
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
elif child.attrib["name"] == "radius2":
is_animate = is_animated(child[0])
if is_animate == 2:
gen_value_Keyframed(lottie["ir"], child[0], index.inc())
else:
r_inner = 0 # default value for inner radius
if is_animate == 0:
r_inner = float(child[0].attrib["value"])
else:
r_inner = float(child[0][0][0].attrib["value"])
gen_properties_value(lottie["ir"],
int(settings.PIX_PER_UNIT * r_inner),
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
elif child.attrib["name"] == "origin":
is_animate = is_animated(child[0])
if is_animate == 2:
gen_properties_multi_dimensional_keyframed(
lottie["p"], child[0], index.inc())
else:
x_val, y_val = 0, 0
if is_animate == 0:
x_val = float(child[0][0].text) * settings.PIX_PER_UNIT
y_val = float(child[0][1].text) * settings.PIX_PER_UNIT
else:
x_val = float(
child[0][0][0][0].text) * settings.PIX_PER_UNIT
y_val = float(
child[0][0][0][1].text) * settings.PIX_PER_UNIT
gen_properties_value(lottie["p"],
change_axis(x_val,
y_val), index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# If not animated, then go to if, else
if regular_polygon["animate"] in {0, 1}:
if regular_polygon["prop"] == "false":
lottie["sy"] = 1 # Star Type
# inner property is only needed if type is star
gen_properties_value(lottie["is"], 0, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
else:
lottie["sy"] = 2 # Polygon Type
# for polygon type, "ir" and "is" must not be present
del lottie["ir"]
# If animated, it will always be of type star
else:
polygon_correction(lottie, regular_polygon["animated"])
lottie["sy"] = 1
gen_properties_value(lottie["is"], 0, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
gen_properties_value(lottie["os"], 0, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
lottie["ix"] = idx
def gen_radial_gradient(lottie, layer, idx):
"""
Generates the dictionary correspnding to shapes/gFill.json but with radial gradient
Args:
"""
index = Count()
lottie["ty"] = "gf"
lottie["r"] = 1 # Don't know it's meaning yet, but works without this also
lottie["o"] = {} # Opacity of the gradient layer
lottie["nm"] = layer.get_description()
lottie["t"] = 2 # 2 means radial gradient layer
lottie["s"] = {} # Starting point of gradient
lottie["e"] = {} # Ending point of gradient
lottie["g"] = {} # Gradient information is stored here
# Color Opacity
opacity = layer.get_param("amount").get()
is_animate = is_animated(opacity[0])
if is_animate == settings.ANIMATED:
# Telling the function that this is for opacity
opacity[0].attrib['type'] = 'opacity'
gen_value_Keyframed(lottie["o"], opacity[0], index.inc())
else:
if is_animate == settings.NOT_ANIMATED:
val = float(opacity[0].attrib["value"]) * settings.OPACITY_CONSTANT
else:
val = float(
opacity[0][0][0].attrib["value"]) * settings.OPACITY_CONSTANT
gen_properties_value(lottie["o"], val, index.inc(),
settings.DEFAULT_ANIMATED, settings.NO_INFO)
# Gradient colors
lottie["g"]["k"] = {}
lottie["g"]["ix"] = index.inc()
gradient = layer.get_param("gradient")
modify_gradient(gradient)
gradient.animate(
"gradient") # To find the lottie path of the modified gradient
lottie["g"]["p"] = len(gradient.get()[0][0][0])
gradient.fill_path(lottie["g"], "k")
modify_gradient_according_to_latest_version(lottie["g"]["k"])
# Starting point and Ending points need to be retrieved from center and radius
center = layer.get_param("center")
center.animate("vector")
center.fill_path(lottie, "s")
radius = layer.get_param("radius")
radius.animate("real")
# Ending point will be (start[0] + radius, start[1])
# Below is just a modification of fill_path function
expression = "var $bm_rt; $bm_rt = {expr}"
x_expr = "sum(" + center.expression + "[0], " + radius.expression + ")"
y_expr = center.expression + "[1]"
expr = "[" + x_expr + ", " + y_expr + "]"
expression = expression.format(expr=expr)
gen_properties_value(lottie["e"], [1, 1], 0, 0, expression)
if "ef" not in center.get_layer().get_lottie_layer().keys():
center.get_layer().get_lottie_layer()["ef"] = []
# If center has any expression controllers, then they would have been pushed earlier by fill_path, hence no need
# center.get_layer().get_lottie_layer()["ef"].extend(center.expression_controllers)
center.get_layer().get_lottie_layer()["ef"].extend(
radius.expression_controllers)
def gen_helpers_transform(lottie, layer, pos=[0, 0], anchor=[0, 0, 0], scale=[100, 100, 100]):
"""
Generates the dictionary corresponding to helpers/transform.json
Args:
lottie (dict) : Lottie format layer
layer (lxml.etree._Element) : Synfig format layer
pos (:obj: `list | lxml.etree._Element`, optional) : position of layer
anchor (:obj: `list`) : anchor point of layer
scale (:obj: `list | lxml.etree._Element`, optional) : scale of layer
Returns:
(None)
"""
index = Count()
lottie["o"] = {} # opacity/Amount
lottie["r"] = {} # Rotation of the layer
lottie["p"] = {} # Position of the layer
lottie["a"] = {} # Anchor point of the layer
lottie["s"] = {} # Scale of the layer
# setting the default location
if isinstance(pos, list):
gen_properties_value(lottie["p"],
pos,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
else:
gen_properties_multi_dimensional_keyframed(lottie["p"],
pos,
index.inc())
# setting the default opacity i.e. 100
gen_properties_value(lottie["o"],
settings.DEFAULT_OPACITY,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# setting the rotation
gen_properties_value(lottie["r"],
settings.DEFAULT_ROTATION,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# setting the anchor point
gen_properties_value(lottie["a"],
anchor,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# setting the scale
if isinstance(scale, list):
gen_properties_value(lottie["s"],
scale,
index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
# This means scale parameter is animated
else:
gen_value_Keyframed(lottie["s"], scale, index.inc())
def gen_shapes_rectangle(lottie, layer, idx):
"""
Generates the dictionary corresponding to shapes/rect.json
Args:
lottie (dict) : The lottie generated rectangle layer will be stored in it
layer (lxml.etree._Element): Synfig format rectangle layer
idx (int) : Stores the index of the rectangle layer
Returns:
(None)
"""
index = Count()
lottie["ty"] = "rc" # Type: rectangle
lottie["p"] = {} # Position of rectangle
lottie["d"] = settings.DEFAULT_DIRECTION
lottie["s"] = {} # Size of rectangle
lottie["ix"] = idx # setting the index
lottie["r"] = {} # Rounded corners of rectangle
points = {}
for child in layer:
if child.tag == "param":
if child.attrib["name"] == "point1":
points["1"] = child # Store address of child here
elif child.attrib["name"] == "point2":
points["2"] = child # Store address of child here
elif child.attrib["name"] == "expand":
expand_animate = is_animated(child[0])
param_expand = child
elif child.attrib["name"] == "bevel":
is_animate = is_animated(child[0])
if is_animate == 2:
gen_value_Keyframed(lottie["r"], child[0], index.inc())
else:
bevel = get_child_value(is_animate, child, "value")
bevel *= settings.PIX_PER_UNIT
gen_properties_value(lottie["r"], bevel, index.inc(),
settings.DEFAULT_ANIMATED,
settings.NO_INFO)
p1_animate = is_animated(points["1"][0])
p2_animate = is_animated(points["2"][0])
# If expand parameter is not animated
if expand_animate in {0, 1}:
param_expand = gen_dummy_waypoint(param_expand, expand_animate, "real")
# p1 not animated and p2 not animated
if p1_animate in {0, 1} and p2_animate in {0, 1}:
points["1"] = gen_dummy_waypoint(points["1"], p1_animate, "vector")
points["2"] = gen_dummy_waypoint(points["2"], p2_animate, "vector")
# p1 is animated and p2 is not animated
elif p1_animate == 2 and p2_animate in {0, 1}:
points["2"] = gen_dummy_waypoint(points["2"], p2_animate, "vector")
# p1 is not animated and p2 is animated
elif p1_animate in {0, 1} and p2_animate == 2:
points["1"] = gen_dummy_waypoint(points["1"], p1_animate, "vector")
both_points_animated(points["1"], points["2"], param_expand, lottie, index)
