65 lines
1.7 KiB
Python
65 lines
1.7 KiB
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 ..params import ImageParams, Size, SizeChart, 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 BlendGridStage(BaseStage):
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max_tile = SizeChart.max
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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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height: int,
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width: int,
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# rows: Optional[List[str]] = None,
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# columns: Optional[List[str]] = None,
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# title: Optional[str] = None,
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order: Optional[List[int]] = None,
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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("combining source images using grid layout")
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images = sources.as_images()
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ref_image = images[0]
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size = Size(*ref_image.size)
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output = Image.new(ref_image.mode, (size.width * width, size.height * height))
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# TODO: labels
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if order is None:
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order = range(len(images))
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for i in range(len(order)):
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x = i % width
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y = i // width
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n = order[i]
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output.paste(images[n], (x * size.width, y * size.height))
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result = StageResult(source=sources)
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result.push_image(output, sources.metadata[0])
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return result
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def outputs(
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self,
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_params: ImageParams,
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sources: int,
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) -> int:
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return sources + 1
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