feat: add ratio size

server.py

@@ -232,6 +232,7 @@ def create_app() -> Flask:
     def generate_passport():
         data = request.get_json()
         bg_color_name = data.get('bg_color_name', 'white')
+        output_size = data.get('output_size', (600, 800))
         if not data.get("raw_photo"):
             return jsonify({"error": "Missing required field: 'raw_photo'"}), 400
         response = requests.get(data['raw_photo'], stream=True)
@@ -262,8 +263,9 @@ def create_app() -> Flask:
             angle = info.get("chin_angle", 0.0)
 
             # 4. Process
+            # TODO: adjust bg color and size based on visa requirements
             selected_bg = PASSPORT_COLORS.get(bg_color_name, (255, 255, 255))
-            cropper = PassportCropper(output_size=(600, 800), bg_color=selected_bg)
+            cropper = PassportCropper(output_size=output_size, bg_color=selected_bg)
             
             img_clean = cropper.composite(img_rgb, mask)
             img_rot, rot_box = cropper.rotate_and_expand_face(img_clean, angle, (x,y,x+w,y+h))