Filtre les collages globaux sur les personnages multi-variations

lib/plots/minifig_character_collages.py

@@ -121,3 +121,41 @@ def build_character_collages(
             )
         )
     return generated
+
+
+def filter_characters_with_variations(
+    grouped_entries: Dict[str, Sequence[dict]],
+    min_variations: int = 2,
+) -> Dict[str, Sequence[dict]]:
+    """Conserve uniquement les personnages ayant un nombre minimal de variations (fig_num distincts)."""
+    filtered: Dict[str, Sequence[dict]] = {}
+    for character, entries in grouped_entries.items():
+        variations = {entry["fig_num"] for entry in entries}
+        if len(variations) >= min_variations:
+            filtered[character] = entries
+    return filtered
+
+
+def stack_collages(
+    source_dir: Path,
+    destination_path: Path,
+    spacing: int = 18,
+    allowed_stems: Set[str] | None = None,
+) -> None:
+    """Superpose verticalement toutes les frises présentes dans un dossier."""
+    images: List[Image.Image] = []
+    for path in sorted(source_dir.glob("*.png")):
+        if allowed_stems is not None and path.stem not in allowed_stems:
+            continue
+        images.append(Image.open(path).convert("RGB"))
+    if not images:
+        return
+    max_width = max(image.width for image in images)
+    total_height = sum(image.height for image in images) + spacing * (len(images) - 1)
+    canvas = Image.new("RGB", (max_width, total_height), (255, 255, 255))
+    y = 0
+    for image in images:
+        canvas.paste(image, (0, y))
+        y += image.height + spacing
+    ensure_parent_dir(destination_path)
+    canvas.save(destination_path)