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wushenghua
65887b171e
Add layered forest clearings, a responsive chat scene strip, larger companions and transparent nine-slice wooden frames. Export artwork for phone pixel density and preserve compact navigation, drafts, default appearance and existing session actions.
30 lines
1.4 KiB
Python
30 lines
1.4 KiB
Python
#!/usr/bin/env python3
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"""Re-export the reviewed transparent wood frame; never generates new artwork."""
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import hashlib
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import json
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from pathlib import Path
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from PIL import Image
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ROOT = Path(__file__).resolve().parents[3]
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SPEC_PATH = ROOT / "docs/design/forest-adventure-rich-art/frame-export.json"
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spec = json.loads(SPEC_PATH.read_text())
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source = ROOT / spec["source"]
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if hashlib.sha256(source.read_bytes()).hexdigest() != spec["sourceSha256"]:
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raise ValueError("Frame source changed; review its transparent center and slice boundaries")
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frame = Image.open(source)
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if frame.mode != "RGBA":
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raise ValueError("Frame requires genuine alpha transparency")
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frame.putalpha(frame.getchannel("A").point(lambda value: 0 if value < spec["alphaNoiseThreshold"] else value))
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frame = frame.resize(tuple(spec["size"]), Image.Resampling.LANCZOS)
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width, height = frame.size
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if frame.getchannel("A").crop((width // 4, height // 4, width * 3 // 4, height * 3 // 4)).getextrema() != (0, 0):
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raise ValueError("Frame center contains a matte or unexpected artwork")
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target = ROOT / spec["file"]
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frame.save(target, "WEBP", quality=spec["quality"], method=6, exact=True)
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if target.stat().st_size != spec["bytes"]:
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raise ValueError("Frame export changed; review and update the export record")
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print(json.dumps({"file": spec["file"], "bytes": target.stat().st_size, "transparentCenter": True}))
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