add crop infor for lama

lama_cleaner/tests/test_boxes_from_mask.py

@@ -0,0 +1,15 @@
+import cv2
+import numpy as np
+
+from lama_cleaner.helper import boxes_from_mask
+
+
+def test_boxes_from_mask():
+    mask = cv2.imread("mask.jpg", cv2.IMREAD_GRAYSCALE)
+    mask = mask[:, :, np.newaxis]
+    mask = (mask / 255).transpose(2, 0, 1)
+    boxes = boxes_from_mask(mask)
+    print(boxes)
+
+
+test_boxes_from_mask()