cesnimda
52 lines
3.2 KiB
Python
52 lines
3.2 KiB
Python
"""Separate DOM Range/PDF character-cell metrics from visible raster ink alignment.
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This leaves the original 2mm fidelity oracle and all its failures unchanged.
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"""
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import argparse
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import json
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import math
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import re
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from pathlib import Path
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from PIL import Image
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("directory", type=Path)
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args = parser.parse_args()
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source = json.loads((args.directory / "measurements.json").read_text(encoding="utf-8"))
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oracle = json.loads((args.directory / "fidelity-results.json").read_text(encoding="utf-8"))
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results = []
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for fixture in source["fixtures"]:
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directory = args.directory / fixture["fixture"]
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marker = next(item for item in fixture["measured"]["tokens"] if item["token"] == "S01")
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rect = next(item for item in fixture["measured"]["nameLines"] if item["text"] == "S01")
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foreground = tuple(map(int, re.findall(r"\d+", marker["color"])[:3]))
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bounds = (math.floor(rect["x"]), math.floor(rect["y"]), math.ceil(rect["x"] + rect["width"]), math.ceil(rect["y"] + rect["height"] + 12))
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boxes = {}
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for kind, filename in (("preview", "preview-1.png"), ("pdf", "pdf-1.png")):
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with Image.open(directory / filename) as image:
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crop = image.convert("RGB").crop(bounds)
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pixels = [(x, y) for y in range(crop.height) for x in range(crop.width)
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if max(abs(a - b) for a, b in zip(crop.getpixel((x, y)), foreground)) <= 50]
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if not pixels:
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raise ValueError(f"No foreground ink for {fixture['fixture']} {kind}")
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boxes[kind] = [min(x for x, y in pixels) + bounds[0], min(y for x, y in pixels) + bounds[1],
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max(x for x, y in pixels) + bounds[0], max(y for x, y in pixels) + bounds[1]]
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crop.resize((crop.width * 4, crop.height * 4)).save(directory / f"S01-{kind}-ink.png")
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original = next(item for item in oracle["fixtures"] if item["fixture"] == fixture["fixture"])
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comparison = next(item for item in original["comparisons"] if item["token"] == "S01")
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results.append({"fixture": fixture["fixture"], "domRange": rect, "foregroundRgb": foreground,
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"originalOracleRangeVsPdfCharacterCellDeltaMm": comparison["deltaYmm"],
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"visibleInkBoundsPx": boxes, "visibleInkTopDeltaPx": abs(boxes["preview"][1] - boxes["pdf"][1]),
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"visibleInkTopDeltaMm": abs(boxes["preview"][1] - boxes["pdf"][1]) * 25.4 / 96})
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report = {"qualification": "Separate diagnostic measurements only. Pixels within 50 per RGB channel of the recorded foreground identify visible ink in the S01 ROI. Original fidelity tolerances/failures are unchanged.",
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"fixtures": results, "maxVisibleInkTopDeltaPx": max(item["visibleInkTopDeltaPx"] for item in results)}
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(args.directory / "name-box-metrics.json").write_text(json.dumps(report, ensure_ascii=False, indent=2), encoding="utf-8")
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print(f"S01 raster-ink diagnostic: {len(results)} documents, max top delta {report['maxVisibleInkTopDeltaPx']}px; original oracle unchanged")
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if __name__ == "__main__":
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main()
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