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65 lines
1.4 KiB
65 lines
1.4 KiB
from dataclasses import dataclass
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from typing import Union
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from enum import IntEnum
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@dataclass(init=False)
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class Color:
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"""
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8-bit RGB color with alpha channel.
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All values are ints from 0 to 255.
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"""
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r: int
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g: int
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b: int
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a: int = 0
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def __init__(self, r: int, g: int, b: int, a: int = 0):
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for value in r, g, b, a:
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if value not in range(256):
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raise ValueError("Color channels must have values 0-255")
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self.r = r
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self.g = g
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self.b = b
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self.a = a
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class Alignment(IntEnum):
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"""
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An integer enum specifying text alignment
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The integer values correspond to Advanced SubStation Alpha definition (like on numpad).
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Note that the older SubStation Alpha (SSA) specification used different numbering schema.
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"""
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BOTTOM_LEFT = 1
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BOTTOM_CENTER = 2
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BOTTOM_RIGHT = 3
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MIDDLE_LEFT = 4
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MIDDLE_CENTER = 5
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MIDDLE_RIGHT = 6
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TOP_LEFT = 7
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TOP_CENTER = 8
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TOP_RIGHT = 9
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@classmethod
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def from_ssa_alignment(cls, alignment: int) -> "Alignment":
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"""Convert SSA alignment to ASS alignment"""
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return Alignment(SSA_ALIGNMENT.index(alignment) + 1)
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def to_ssa_alignment(self) -> int:
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"""Convert ASS alignment to SSA alignment"""
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return SSA_ALIGNMENT[self.value - 1]
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SSA_ALIGNMENT = (1, 2, 3, 9, 10, 11, 5, 6, 7)
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#: Version of the pysubs2 library.
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VERSION = "1.6.1"
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IntOrFloat = Union[int, float]
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