验收完成40%

design-pipeline/scripts/build_g01_backgrounds.py

@@ -35,9 +35,11 @@ def process_chroma_image(source: Image.Image, config: dict[str, Any]) -> Image.I
     return output
 
 
-def process_opaque_image(source: Image.Image) -> Image.Image:
+def process_opaque_image(source: Image.Image, output_size: tuple[int, int] | None = None) -> Image.Image:
     """Normalize a paper-backed master to deterministic opaque RGBA."""
     output = source.convert("RGBA")
+    if output_size is not None and output.size != output_size:
+        output = output.resize(output_size, Image.Resampling.LANCZOS)
     output.putalpha(255)
     return output
 
@@ -83,8 +85,12 @@ def build(manifest_path: Path, workspace: Path, report_path: Path) -> list[dict[
                 )
             if candidate["processingMode"] == "chroma-key":
                 output = process_chroma_image(opened, chroma)
-            elif candidate["processingMode"] == "opaque-paper":
-                output = process_opaque_image(opened)
+            elif candidate["processingMode"] in {"opaque-paper", "opaque-paper-resize"}:
+                output_size = None
+                if candidate["processingMode"] == "opaque-paper-resize":
+                    target = candidate["outputPixels"]
+                    output_size = (target["width"], target["height"])
+                output = process_opaque_image(opened, output_size)
             else:
                 raise ValueError(f"unsupported processingMode: {candidate['processingMode']}")