SHA256
Yuvomi Mobile Contributors
69c48169e2
Require iOS 18.4 for explicit upload denial in the isolated authentication window. Add origin-bound generated download policy, app-switcher privacy, typed metadata regressions and original community icon assets. Seven portable tests and Swift formatting checks pass; Apple SDK validation remains external.
39 lines
1.7 KiB
Python
39 lines
1.7 KiB
Python
#!/usr/bin/env python3
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"""Generate the original community Y mark (not the upstream logo), without dependencies."""
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import json
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from pathlib import Path
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import struct
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import zlib
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ROOT = Path(__file__).resolve().parents[1]
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def png(size):
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raw = bytearray()
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segments = [(32, 29, 54, 54), (54, 54, 76, 29), (54, 54, 54, 80)]
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for y in range(size):
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raw.append(0)
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for x in range(size):
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coverage = 0
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for dx, dy in [(0.25, 0.25), (0.75, 0.25), (0.25, 0.75), (0.75, 0.75)]:
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px, py = (x + dx) * 108 / size, (y + dy) * 108 / size
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for ax, ay, bx, by in segments:
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projection = max(0, min(1, ((px-ax)*(bx-ax)+(py-ay)*(by-ay))/((bx-ax)**2+(by-ay)**2)))
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if (px-ax-projection*(bx-ax))**2 + (py-ay-projection*(by-ay))**2 <= 4.5**2:
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coverage += 1
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break
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raw.extend(round(background + (255-background)*coverage/4) for background in (108, 58, 237))
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def chunk(name, data):
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return struct.pack(">I", len(data)) + name + data + struct.pack(">I", zlib.crc32(name+data))
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return b"\x89PNG\r\n\x1a\n" + chunk(b"IHDR", struct.pack(">IIBBBBB", size, size, 8, 2, 0, 0, 0)) + chunk(b"IDAT", zlib.compress(raw, 9)) + chunk(b"IEND", b"")
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if __name__ == "__main__":
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folder = ROOT / "ios/Sources/Assets.xcassets/AppIcon.appiconset"
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folder.mkdir(parents=True, exist_ok=True)
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(folder / "AppIcon.png").write_bytes(png(1024))
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(folder / "Contents.json").write_text(json.dumps({"images": [
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{"filename": "AppIcon.png", "idiom": "universal", "platform": "ios", "size": "1024x1024"}
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], "info": {"author": "Yuvomi Mobile contributors", "version": 1}}, indent=2) + "\n")
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