55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
from logging import getLogger
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from typing import Optional, Tuple
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from PIL import Image
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from ..output import save_image
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from ..params import ImageParams, StageParams
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from ..server import ServerContext
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from ..utils import is_debug
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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 BlendMaskStage(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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dims: Tuple[int, int, int],
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stage_source: Optional[Image.Image] = None,
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stage_mask: Optional[Image.Image] = None,
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tile_mask: 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 image using mask")
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mask_source = tile_mask or stage_mask
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mult_mask = Image.new(mask_source.mode, mask_source.size, color="black")
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mult_mask = Image.alpha_composite(mult_mask, mask_source)
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mult_mask = mult_mask.convert("L")
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left, top, tile = dims
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stage_source_tile = stage_source.crop((left, top, left + tile, top + tile))
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if is_debug():
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save_image(server, "last-mask.png", mask_source)
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save_image(server, "last-mult-mask.png", mult_mask)
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save_image(server, "last-stage-source.png", stage_source_tile)
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return StageResult.from_images(
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[
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Image.composite(stage_source_tile, source, mult_mask)
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for source in sources.as_images()
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],
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metadata=sources.metadata,
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)
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