From ceb45d4006426d616aef099aaf16f5c1d827e816 Mon Sep 17 00:00:00 2001
From: "Somhairle H. Marisol" <muqiu-han@outlook.com>
Date: Mon, 28 Sep 2026 15:58:43 +0800
Subject: test(p39): 摆放/光晕/奇偶 spacing 回归 + 运行时证据帧
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- P39ArtTests 9 例：桥/船/灯笼/摊位/芦苇地形与确定性、NightLightTilesIncludeRoadLanterns、
  StallsAndLanternsDoNotOverlapForOddAndEvenSpacing（奇 {3,5,7,11,13}/偶 {2,4,6,8,12}）、
  DegenerateSpacingPlacesNothing（{0,1,-3} 返回空集）
- AssetPackTests 更新为 19 格 + 新索引；fsproj 注册 P39ArtTests
- scripts/make-p39-closeups.py：2x NEAREST 特写
- docs/维护说明.md 追加 P39 小节；证据 5 帧白块检查 0 命中，重复运行 byte-identical
- Release 全量 Desktop 195/195、Kernel 119/119
---
 scripts/make-p39-closeups.py | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 scripts/make-p39-closeups.py

(limited to 'scripts/make-p39-closeups.py')

diff --git a/scripts/make-p39-closeups.py b/scripts/make-p39-closeups.py
new file mode 100644
index 0000000..750b181
--- /dev/null
+++ b/scripts/make-p39-closeups.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+"""P39 evidence: NEAREST 2x close-ups of the new Jiangnan elements.
+
+Takes the real 1280x720 game frames captured by the `LV_P39_SHOT=1` hook and
+crops the new-element regions, upscaling exactly 2x with NEAREST so pixel edges
+stay sharp (no mixed colours). Deterministic: fixed crop boxes, pure function of
+the input PNGs, so running twice yields byte-identical output.
+
+Usage:
+    python3 scripts/make-p39-closeups.py <record-dir> <out-dir>
+"""
+
+import sys
+from pathlib import Path
+
+from PIL import Image
+
+# (source frame, crop box x0,y0,x1,y1, output name)
+CROPS = [
+    ("p39-day.png", (500, 180, 820, 420), "p39-closeup-2x.png"),
+    ("p39-lantern-night.png", (150, 270, 470, 450), "p39-closeup-lantern-2x.png"),
+]
+
+
+def main(argv):
+    if len(argv) != 3:
+        sys.stderr.write(__doc__)
+        return 2
+    record_dir = Path(argv[1])
+    out_dir = Path(argv[2])
+    out_dir.mkdir(parents=True, exist_ok=True)
+    for source_name, box, out_name in CROPS:
+        source = Image.open(record_dir / source_name).convert("RGBA")
+        crop = source.crop(box)
+        doubled = crop.resize((crop.width * 2, crop.height * 2), Image.NEAREST)
+        doubled.save(out_dir / out_name)
+        print(f"ok {out_name} {doubled.width}x{doubled.height} from {source_name} box={box}")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main(sys.argv))
-- 
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