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https://github.com/OpenVGLab/OmniLottie.git
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Initial Commit
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OmniLottie
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import warnings
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from .base import LottieObject, LottieProp, PseudoBool, LottieEnum
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from .effects import Effect
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from .helpers import Transform, Mask
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from .shapes import ShapeElement
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from .text import TextAnimatorData
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from .properties import Value
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## @ingroup Lottie
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class BlendMode(LottieEnum):
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Normal = 0
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Multiply = 1
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Screen = 2
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Overlay = 3
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Darken = 4
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Lighten = 5
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ColorDodge = 6
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ColorBurn = 7
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HardLight = 8
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SoftLight = 9
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Difference = 10
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Exclusion = 11
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Hue = 12
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Saturation = 13
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Color = 14
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Luminosity = 15
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## @ingroup Lottie
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## @todo SVG masks
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class MatteMode(LottieEnum):
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Normal = 0
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Alpha = 1
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InvertedAlpha = 2
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Luma = 3
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InvertedLuma = 4
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## @ingroup Lottie
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class Layer(LottieObject):
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_props = [
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LottieProp("threedimensional", "ddd", PseudoBool, False),
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LottieProp("hidden", "hd", bool, False),
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LottieProp("type", "ty", int, False),
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LottieProp("name", "nm", str, False),
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LottieProp("parent_index", "parent", int, False),
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LottieProp("stretch", "sr", float, False),
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LottieProp("transform", "ks", Transform, False),
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LottieProp("auto_orient", "ao", PseudoBool, False),
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LottieProp("in_point", "ip", float, False),
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LottieProp("out_point", "op", float, False),
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LottieProp("start_time", "st", float, False),
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LottieProp("blend_mode", "bm", BlendMode, False),
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LottieProp("matte_mode", "tt", MatteMode, False),
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LottieProp("index", "ind", int, False),
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#LottieProp("css_class", "cl", str, False),
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LottieProp("layer_html_id", "ln", str, False),
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LottieProp("has_masks", "hasMask", bool, False),
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LottieProp("masks", "masksProperties", Mask, True),
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LottieProp("effects", "ef", Effect, True),
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LottieProp("matte_target", "td", int, False),
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]
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## %Layer type.
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## @see https://github.com/bodymovin/bodymovin-extension/blob/master/bundle/jsx/enums/layerTypes.jsx
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type = None
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_classses = {}
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@property
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def has_masks(self):
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"""!
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Whether the layer has some masks applied
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"""
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return bool(self.masks) if getattr(self, "masks") is not None else None
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def __init__(self):
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## Transform properties
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self.transform = Transform()
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## Auto-Orient along path AE property.
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self.auto_orient = False
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## 3d layer flag
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self.threedimensional = False
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## Hidden layer
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self.hidden = None
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## Layer index in AE. Used for parenting and expressions.
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self.index = None
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"""
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# Parsed layer name used as html class on SVG/HTML renderer
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#self.css_class = ""
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# Parsed layer name used as html id on SVG/HTML renderer
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#self.layer_html_id = ""
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"""
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## In Point of layer. Sets the initial frame of the layer.
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self.in_point = None
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## Out Point of layer. Sets the final frame of the layer.
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self.out_point = None
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## Start Time of layer. Sets the start time of the layer.
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self.start_time = 0
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## After Effects Layer Name. Used for expressions.
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self.name = None
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## List of Effects
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self.effects = None
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## Layer Time Stretching
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self.stretch = 1
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## Layer Parent. Uses ind of parent.
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self.parent_index = None
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## List of Masks
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self.masks = None
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## Blend Mode
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self.blend_mode = BlendMode.Normal
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## Matte mode, the layer will inherit the transparency from the layer above
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self.matte_mode = None
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self.matte_target = None
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## Composition owning the layer, set by add_layer
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self.composition = None
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def add_child(self, layer):
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if not self.composition or self.index is None:
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raise Exception("Must set composition / index first")
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self._child_inout_auto(layer)
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self.composition.add_layer(layer)
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layer.parent_index = self.index
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return layer
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def _child_inout_auto(self, layer):
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if layer.in_point is None:
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layer.in_point = self.in_point
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if layer.out_point is None:
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layer.out_point = self.out_point
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@property
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def parent(self):
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if self.parent_index is None:
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return None
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return self.composition.layer(self.parent_index)
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@parent.setter
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def parent(self, layer):
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if layer is None:
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self.parent_index = None
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else:
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self.parent_index = layer.index
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layer._child_inout_auto(self)
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@property
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def children(self):
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for layer in self.composition.layers:
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if layer.parent_index == self.index:
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yield layer
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@classmethod
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def _load_get_class(cls, lottiedict):
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if not Layer._classses:
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Layer._classses = {
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sc.type: sc
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for sc in Layer.__subclasses__()
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}
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type_id = lottiedict["ty"]
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if type_id not in Layer._classses:
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warnings.warn("Unknown layer type: %s" % type_id)
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return Layer
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return Layer._classses[type_id]
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def __repr__(self):
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return "<%s %s %s>" % (type(self).__name__, self.index, self.name)
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def __str__(self):
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return "%s %s" % (
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self.name or super().__str__(),
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self.index if self.index is not None else ""
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)
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def remove(self):
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"""!
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@brief Removes this layer from the componsitin
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"""
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self.composition.remove_layer(self)
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## @ingroup Lottie
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class NullLayer(Layer):
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"""!
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Layer with no data, useful to group layers together
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"""
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## %Layer type.
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type = 3
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def __init__(self):
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Layer.__init__(self)
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## @ingroup Lottie
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class TextLayer(Layer):
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_props = [
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LottieProp("data", "t", TextAnimatorData, False),
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]
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## %Layer type.
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type = 5
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def __init__(self):
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Layer.__init__(self)
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## Text Data
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self.data = TextAnimatorData()
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## @ingroup Lottie
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class ShapeLayer(Layer):
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"""!
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Layer containing ShapeElement objects
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"""
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_props = [
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LottieProp("shapes", "shapes", ShapeElement, True),
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]
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## %Layer type.
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type = 4
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def __init__(self):
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Layer.__init__(self)
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## Shape list of items
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self.shapes = [] # ShapeElement
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def add_shape(self, shape):
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self.shapes.append(shape)
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return shape
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def insert_shape(self, index, shape):
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self.shapes.insert(index, shape)
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return shape
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## @ingroup Lottie
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## @todo SIF I/O
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class ImageLayer(Layer):
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_props = [
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LottieProp("image_id", "refId", str, False),
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]
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## %Layer type.
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type = 2
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def __init__(self, image_id=""):
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Layer.__init__(self)
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## id pointing to the source image defined on 'assets' object
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self.image_id = image_id
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## @ingroup Lottie
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class PreCompLayer(Layer):
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_props = [
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LottieProp("reference_id", "refId", str, False),
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LottieProp("time_remapping", "tm", Value, False),
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LottieProp("width", "w", int, False),
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LottieProp("height", "h", int, False),
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]
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## %Layer type.
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type = 0
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def __init__(self, reference_id=""):
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Layer.__init__(self)
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## id pointing to the source composition defined on 'assets' object
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self.reference_id = reference_id
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## Comp's Time remapping
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self.time_remapping = None
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## Width
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self.width = 512
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## Height
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self.height = 512
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## @ingroup Lottie
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class SolidColorLayer(Layer):
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"""!
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Layer with a solid color rectangle
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"""
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_props = [
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LottieProp("color", "sc", str, False),
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LottieProp("height", "sh", float, False),
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LottieProp("width", "sw", float, False),
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]
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## %Layer type.
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type = 1
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def __init__(self, color="", width=512, height=512):
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Layer.__init__(self)
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## Color of the layer as a @c \#rrggbb hex
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# @todo Convert NVector to string
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self.color = color
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## Height of the layer.
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self.height = height
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## Width of the layer.
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self.width = width
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