Create Thüringen branding edition on shared core

scripts/build_block_art.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+"""Regenerate the portable 256-color crest data."""
+
+from __future__ import annotations
+
+import json
+import re
+import subprocess
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parent.parent
+ASSETS = ROOT / "synadm_tui_thueringen" / "assets"
+PIXEL = re.compile(r"#([0-9A-Fa-f]{8})\s")
+
+
+def main() -> int:
+    process = subprocess.run(
+        ["convert", str(ASSETS / "thueringen-wappen.png"), "-filter", "Lanczos", "-resize", "18x20!", "txt:-"],
+        check=True,
+        text=True,
+        stdout=subprocess.PIPE,
+    )
+    pixels = [match.group(1).lower() for line in process.stdout.splitlines() if (match := PIXEL.search(line))]
+    if len(pixels) != 18 * 20:
+        raise RuntimeError(f"360 Pixel erwartet, {len(pixels)} erhalten")
+    target = ASSETS / "thuringia.block.json"
+    target.write_text(
+        json.dumps({"width": 18, "height": 20, "pixels": pixels}, separators=(",", ":")) + "\n",
+        encoding="utf-8",
+    )
+    print(target)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())