37 lines
955 B
Python
37 lines
955 B
Python
from logging import getLogger
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from typing import Optional
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from PIL import Image
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from ..params import ImageParams, StageParams
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from ..server import ServerContext
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from ..worker import ProgressCallback, WorkerContext
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from .base import BaseStage
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from .result import StageResult
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logger = getLogger(__name__)
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class BlendLinearStage(BaseStage):
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def run(
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self,
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_worker: WorkerContext,
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_server: ServerContext,
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_stage: StageParams,
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_params: ImageParams,
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sources: StageResult,
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*,
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alpha: float,
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stage_source: Optional[Image.Image] = None,
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_callback: Optional[ProgressCallback] = None,
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**kwargs,
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) -> StageResult:
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logger.info("blending source images using linear interpolation")
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return StageResult(
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images=[
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Image.blend(source, stage_source, alpha)
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for source in sources.as_image()
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]
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)
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