jack
54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
from __future__ import annotations
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from pygui.backend.models.frame import Frame
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from pygui.backend.wafer.zwafer_models import ZWaferData
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def frames_from_wafer_data(data: ZWaferData, records) -> list[Frame]:
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"""Build Frames from parsed DataRecords (records = list[DataRecord].)"""
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return [Frame(seq=i, time=r.time, values=list(r.values)) for i, r in enumerate(records)]
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class FramePlayer:
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def __init__(self) -> None:
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self._frames: list[Frame] =[]
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self._i =0
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def load(self, frames: list[Frame]) -> "FramePlayer":
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self._frames = frames
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self._i = 0
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return self
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@property
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def total(self) -> int:
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return len(self._frames)
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@property
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def index(self) -> int:
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return self._i
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@property
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def at_end(self) -> bool:
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return self._i >= len(self._frames) -1
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def current(self) -> Frame | None:
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if not self._frames:
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return None
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return self._frames[self._i]
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def _clamp(self, i:int):
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return max(0, min(i, len(self._frames) - 1)) if self._frames else 0
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def step(self, delta: int) -> "FramePlayer":
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self._i = self._clamp(self._i + delta)
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return self
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def seek(self, i: int) -> "FramePlayer":
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self._i = self._clamp(i)
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return self
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def next_frame_ms(self) -> float:
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"""Wall-clock ms until the next frame based on recorded timestamps; 0 if at end."""
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if self._i + 1 >= len(self._frames):
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return 0.0
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return (self._frames[self._i + 1].time - self._frames[self._i].time) * 1000.0
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