| """Rebuild lossless QOI runtime copies from the preserved original artwork (requires Pillow).""" | |
| from pathlib import Path | |
| from PIL import Image | |
| import hashlib | |
| import json | |
| root=Path(__file__).resolve().parents[1] | |
| original=root/"assets/snapkitty" | |
| manifest=json.loads((original/"runtime-manifest.json").read_text()) | |
| for entry in manifest: | |
| src=root/entry["source"] | |
| if hashlib.sha256(src.read_bytes()).hexdigest()!=entry["sha256"]: | |
| raise ValueError("Source changed: "+str(src)) | |
| image=Image.open(src).convert("RGBA") | |
| output=root/entry["runtime"] | |
| output.parent.mkdir(parents=True,exist_ok=True) | |
| image.save(output,format="QOI") | |
| with Image.open(output) as check: | |
| assert image.tobytes()==check.convert("RGBA").tobytes() | |
| print("Four pixel-identical QOI textures prepared. Original images preserved.") | |