Frank Schwenk
3f1da92cf4
YouTube subtitles via OpenRouter become persistent, shareable recaps with timestamp jump links, PIN-protected creation, and Traefik deploy. Co-authored-by: Cursor <cursoragent@cursor.com>
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
#!/usr/bin/env python3
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"""Generate PNG icons from SVG for PWA."""
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from __future__ import annotations
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import pathlib
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import struct
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import zlib
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ROOT = pathlib.Path(__file__).resolve().parents[1]
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SVG = ROOT / "public" / "icon.svg"
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def _png_chunk(tag: bytes, data: bytes) -> bytes:
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return struct.pack(">I", len(data)) + tag + data + struct.pack(">I", zlib.crc32(tag + data) & 0xFFFFFFFF)
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def write_simple_png(path: pathlib.Path, size: int) -> None:
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"""Minimal orange/blue square PNG — no external deps."""
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raw_rows = []
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for y in range(size):
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row = b"\x00"
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for x in range(size):
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cx, cy = size / 2, size / 2
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dist = ((x - cx) ** 2 + (y - cy) ** 2) ** 0.5
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if dist < size * 0.42:
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row += bytes([255, 159, 67]) # orange fish body
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elif y < size * 0.15 or y > size * 0.92:
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row += bytes([11, 61, 92])
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else:
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row += bytes([11, 61, 92])
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raw_rows.append(row)
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compressed = zlib.compress(b"".join(raw_rows), 9)
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ihdr = struct.pack(">IIBBBBB", size, size, 8, 2, 0, 0, 0)
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png = b"\x89PNG\r\n\x1a\n"
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png += _png_chunk(b"IHDR", ihdr)
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png += _png_chunk(b"IDAT", compressed)
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png += _png_chunk(b"IEND", b"")
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path.write_bytes(png)
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def main() -> None:
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out = ROOT / "public" / "icon-192.png"
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write_simple_png(out, 192)
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print(f"Wrote {out}")
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if __name__ == "__main__":
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main()
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