视觉审核完成30%

design-pipeline/scripts/rebuild_a01_buttons.py

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+"""Rebuild A01 button skins with deterministic horizontal three-slice scaling."""
+
+import argparse
+import json
+from pathlib import Path
+
+from PIL import Image, PngImagePlugin
+
+
+def rebuild_button(
+    source_path: Path,
+    output_path: Path,
+    *,
+    output_size: tuple[int, int],
+    trim: int,
+    padding: int,
+    cap_width: int,
+) -> None:
+    """Trim contaminated edges, preserve both caps, and stretch only the center."""
+    with Image.open(source_path) as opened:
+        source = opened.convert("RGBA")
+
+    if trim < 0 or trim * 2 >= min(source.size):
+        raise ValueError(f"invalid trim {trim} for source size {source.size}")
+    if trim:
+        source = source.crop((trim, trim, source.width - trim, source.height - trim))
+
+    if cap_width <= 0 or cap_width * 2 >= source.width:
+        raise ValueError(f"invalid capWidth {cap_width} for cropped width {source.width}")
+
+    output_width, output_height = output_size
+    inner_width = output_width - padding * 2
+    inner_height = output_height - padding * 2
+    if inner_width <= 0 or inner_height <= 0:
+        raise ValueError(f"padding {padding} leaves no drawable area in {output_size}")
+
+    target_cap_width = max(1, round(cap_width * inner_height / source.height))
+    if target_cap_width * 2 >= inner_width:
+        raise ValueError("scaled caps leave no room for the center slice")
+
+    left = source.crop((0, 0, cap_width, source.height))
+    center = source.crop((cap_width, 0, source.width - cap_width, source.height))
+    right = source.crop((source.width - cap_width, 0, source.width, source.height))
+
+    resampling = Image.Resampling.LANCZOS
+    left = left.resize((target_cap_width, inner_height), resampling)
+    center = center.resize((inner_width - target_cap_width * 2, inner_height), resampling)
+    right = right.resize((target_cap_width, inner_height), resampling)
+
+    output = Image.new("RGBA", output_size, (0, 0, 0, 0))
+    output.alpha_composite(left, (padding, padding))
+    output.alpha_composite(center, (padding + target_cap_width, padding))
+    output.alpha_composite(right, (output_width - padding - target_cap_width, padding))
+
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    png_info = PngImagePlugin.PngInfo()
+    png_info.add(b"sRGB", b"\x00")
+    output.save(output_path, format="PNG", optimize=True, pnginfo=png_info)
+
+
+def rebuild_manifest(manifest_path: Path, workspace_root: Path) -> None:
+    manifest = json.loads(manifest_path.read_text(encoding="utf-8"))
+    for asset in manifest["assets"]:
+        processing = asset["processing"]
+        alpha = asset["alpha"]
+        pixels = asset["outputPixels"]
+        source = workspace_root / asset["source"]
+        output = workspace_root / asset["output"]
+        rebuild_button(
+            source,
+            output,
+            output_size=(pixels["width"], pixels["height"]),
+            trim=processing["trim"],
+            padding=alpha["transparentOuterPadding"],
+            cap_width=processing["capWidth"],
+        )
+        print(f"REBUILT {asset['id']} -> {asset['output']}")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("manifest", type=Path)
+    parser.add_argument("--workspace", type=Path, required=True)
+    args = parser.parse_args()
+    rebuild_manifest(args.manifest.resolve(), args.workspace.resolve())
+
+
+if __name__ == "__main__":
+    main()