feat: XYWHRect __add__ __sub__ support

src/arcaea_offline_ocr/types.py

@@ -1,4 +1,5 @@
-from typing import NamedTuple
+from collections.abc import Iterable
+from typing import NamedTuple, Tuple, Union
 
 import numpy as np
 
@@ -11,3 +12,15 @@ class XYWHRect(NamedTuple):
     y: int
     w: int
     h: int
+
+    def __add__(self, other: Union["XYWHRect", Tuple[int, int, int, int]]):
+        if not isinstance(other, Iterable) or len(other) != 4:
+            raise ValueError()
+
+        return self.__class__(*[a + b for a, b in zip(self, other)])
+
+    def __sub__(self, other: Union["XYWHRect", Tuple[int, int, int, int]]):
+        if not isinstance(other, Iterable) or len(other) != 4:
+            raise ValueError()
+
+        return self.__class__(*[a - b for a, b in zip(self, other)])