mirror of
https://github.com/OpenVGLab/OmniLottie.git
synced 2026-09-16 23:26:26 +00:00
124 lines
4.1 KiB
Python
124 lines
4.1 KiB
Python
from .base import LottieObject, LottieProp, PseudoBool, Index
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from .layers import Layer
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from .assets import Asset, Chars, Precomp
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from .text import FontList
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from .composition import Composition
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##\defgroup Lottie Lottie
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#
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# Objects of the lottie file structure.
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## \defgroup LottieCheck Lottie (to check)
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#
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# Lottie objects that have not been tested
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## @ingroup Lottie
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class Animation(Composition):
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"""!
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Top level object, describing the animation
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@see http://docs.aenhancers.com/items/compitem/
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"""
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_props = [
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LottieProp("version", "v", str, False),
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LottieProp("frame_rate", "fr", float, 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("width", "w", int, False),
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LottieProp("height", "h", int, False),
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LottieProp("name", "nm", str, False),
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LottieProp("threedimensional", "ddd", PseudoBool, False),
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LottieProp("assets", "assets", Asset, True),
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#LottieProp("comps", "comps", Animation, True),
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LottieProp("fonts", "fonts", FontList),
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LottieProp("chars", "chars", Chars, True),
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#LottieProp("markers", "markers", Marker, True),
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#LottieProp("motion_blur", "mb", MotionBlur, False),
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]
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_version = "5.5.2"
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def __init__(self, n_frames=60, framerate=60):
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super().__init__()
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## The time when the composition work area begins, in frames.
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self.in_point = 0
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## The time when the composition work area ends.
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## Sets the final Frame of the animation
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self.out_point = n_frames
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## Frames per second
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self.frame_rate = framerate
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## Composition Width
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self.width = 512
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## Composition has 3-D layers
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self.threedimensional = False
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## Composition Height
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self.height = 512
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## Bodymovin Version
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self.version = self._version
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## Composition name
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self.name = None
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## source items that can be used in multiple places. Comps and Images for now.
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self.assets = [] # Image, Precomp
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## source chars for text layers
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self.chars = None
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## Available fonts
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self.fonts = None
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def precomp(self, name):
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for ass in self.assets:
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if isinstance(ass, Precomp) and ass.id == name:
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return ass
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return None
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def _on_prepare_layer(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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def tgs_sanitize(self):
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"""!
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Cleans up some things to ensure it works as a telegram sticker
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"""
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if self.width != 512 or self.height != 512:
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scale = min(512/self.width, 512/self.height)
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self.width = self.height = 512
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for layer in self.layers:
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if layer.parent_index:
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continue
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if layer.transform.scale.animated:
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for kf in layer.transform.scale.keyframes:
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if kf.start is not None:
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kf.start *= scale
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if kf.end is not None:
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kf.end *= scale
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else:
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layer.transform.scale.value *= scale
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if layer.transform.position.animated:
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for kf in layer.transform.position.keyframes:
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if kf.start is not None:
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kf.start *= scale
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if kf.end is not None:
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kf.end *= scale
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else:
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layer.transform.position.value *= scale
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if self.frame_rate < 45:
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self.frame_rate = 30
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else:
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self.frame_rate = 60
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def _fixup(self):
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super()._fixup()
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if self.assets:
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for ass in self.assets:
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if isinstance(ass, Precomp):
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ass.animation = self
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ass._fixup()
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def __str__(self):
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return self.name or super().__str__()
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