added crop

configs/augmentations.json

@@ -441,5 +441,43 @@
         "defaults": "image_half_width"
       }
     }
+  ],
+  "Crop": [
+    {
+      "param_name": [
+        "x_min",
+        "x_max"
+      ],
+      "type": "min_max",
+      "placeholder": {
+        "limits_list": [
+          0,
+          "image_width"
+        ],
+        "defaults_list": [
+          0,
+          "image_half_width"
+        ]
+      },
+      "min_diff" : 1
+    },
+    {
+      "param_name": [
+        "y_min",
+        "y_max"
+      ],
+      "type": "min_max",
+      "placeholder": {
+        "limits_list": [
+          0,
+          "image_height"
+        ],
+        "defaults_list": [
+          0,
+          "image_half_height"
+        ]
+      },
+      "min_diff" : 1
+    }
   ]
 }

src/control.py

@@ -28,9 +28,18 @@ def select_several_ints(
     return tuple(result)
 
 
-def select_min_max(param_name, limits_list, defaults_list, **kwargs):
+def select_min_max(param_name, limits_list, defaults_list, min_diff=0, **kwargs):
     assert len(param_name) == 2
-    return select_int_interval(' & '.join(param_name), limits_list, defaults_list)
+    result = list(select_int_interval(" & ".join(param_name), limits_list, defaults_list))
+    if result[1] - result[0] < min_diff:
+        diff = min_diff - result[1] + result[0]
+        if result[1] + diff <= limits_list[1]:
+            result[1] = result[1] + diff
+        elif result[0] - diff >= limits_list[0]:
+            result[0] = result[0] - diff
+        else:
+            result = limits_list
+    return tuple(result)
 
 
 def select_RGB(param_name, **kwargs):