Updates build_whitelabel to regenerate album art for android auto app

build_whitelabel.py

@@ -256,6 +256,75 @@ def generate_icon(theme: dict, dry_run: bool = False) -> None:
         print("  [icon] Install cairosvg (`pip install cairosvg`) or rsvg-convert")
 
 
+def generate_android_auto_art(theme: dict, dry_run: bool = False) -> None:
+    """Decode embedded hero_icon (JPEG, PNG, or SVG) and write kryz_auto_art.png."""
+    embedded = theme["images_embedded"]
+    hero_data = embedded["hero_icon"]["data"]
+    hero_content_type = embedded["hero_icon"].get("content_type", "")
+    print("  [android-auto-art] Using 'hero_icon' from images_embedded")
+
+    raw_bytes = base64.b64decode(hero_data)
+    icon_path = os.path.join(PROJECT_ROOT, "android", "app", "src", "main", "res", "drawable-nodpi", "kryz_auto_art.png")
+
+    if dry_run:
+        print(f"  [android-auto-art] Would generate PNG from embedded {hero_content_type or 'image'} at android/app/src/main/res/drawable-nodpi/kryz_auto_art.png")
+        return
+
+    # --- JPEG / PNG: convert to PNG via Pillow, or write as-is ---
+    if hero_content_type in ("image/jpeg", "image/png"):
+        try:
+            from PIL import Image
+            import io
+            img = Image.open(io.BytesIO(raw_bytes)).convert("RGBA")
+            img = img.resize((1024, 1024), Image.LANCZOS)
+            img.save(icon_path, "PNG")
+            print(f"  [android-auto-art] Converted {hero_content_type} → PNG (Pillow, 1024×1024)")
+            return
+        except ImportError:
+            pass
+        except Exception as e:
+            print(f"  [android-auto-art] Pillow conversion failed: {e} — writing raw bytes")
+
+        # Fallback: write raw bytes directly
+        if hero_content_type == "image/jpeg":
+            fallback = os.path.join(PROJECT_ROOT, "android", "app", "src", "main", "res", "drawable-nodpi", "kryz_auto_art.jpg")
+        else:
+            fallback = icon_path
+        with open(fallback, "wb") as f:
+            f.write(raw_bytes)
+        print(f"  [android-auto-art] Wrote embedded {hero_content_type} (no Pillow — using raw bytes)")
+        if fallback != icon_path:
+            os.replace(fallback, icon_path)
+        return
+
+    # --- SVG: render to PNG via cairosvg or rsvg-convert ---
+    try:
+        import cairosvg
+        cairosvg.svg2png(bytestring=raw_bytes, write_to=icon_path, output_width=1024, output_height=1024)
+        print("  [android-auto-art] Rendered SVG → PNG (cairosvg)")
+        return
+    except ImportError:
+        pass
+    except Exception as e:
+        print(f"  [android-auto-art] cairosvg failed: {e} — trying rsvg-convert")
+
+    try:
+        import tempfile
+        with tempfile.NamedTemporaryFile(suffix=".svg", delete=False) as tmp:
+            tmp.write(raw_bytes)
+            tmp_path = tmp.name
+        subprocess.run(
+            ["rsvg-convert", "-w", "1024", "-h", "1024", "-o", icon_path, tmp_path],
+            check=True,
+            capture_output=True,
+        )
+        os.unlink(tmp_path)
+        print("  [android-auto-art] Rendered SVG → PNG (rsvg-convert)")
+    except Exception as e:
+        print(f"  [android-auto-art] WARNING: Could not render icon: {e}")
+        print("  [android-auto-art] Install cairosvg (`pip install cairosvg`) or rsvg-convert")
+
+
 # ---------------------------------------------------------------------------
 # Native file patching
 # ---------------------------------------------------------------------------
@@ -467,6 +536,10 @@ def main():
     print()
     generate_icon(theme, dry_run=args.dry_run)
 
+    # Generate Android Auto album art
+    print()
+    generate_android_auto_art(theme, dry_run=args.dry_run)
+
     # Patch native files
     print()
     patch_android_manifest(theme, dry_run=args.dry_run)