30 lines
729 B
Python
30 lines
729 B
Python
from logging import getLogger
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from typing import List, Optional
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from PIL import Image
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from ..image import valid_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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logger = getLogger(__name__)
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def blend_linear(
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_job: WorkerContext,
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_server: ServerContext,
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_stage: StageParams,
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_params: ImageParams,
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*,
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alpha: float,
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sources: Optional[List[Image.Image]] = None,
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_callback: Optional[ProgressCallback] = None,
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**kwargs,
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) -> Image.Image:
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logger.info("blending image using linear interpolation")
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resized = [valid_image(s) for s in sources]
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return Image.blend(resized[1], resized[0], alpha)
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