diff --git a/headers/private/interface/clipping.h b/headers/private/interface/clipping.h
index 65ee86c91a..02d8e797a5 100644
--- a/headers/private/interface/clipping.h
+++ b/headers/private/interface/clipping.h
@@ -94,7 +94,7 @@ valid_rect(clipping_rect rect)
 
 
 static inline bool
-rects_intersects(clipping_rect rectA, clipping_rect rectB)
+rects_intersect(clipping_rect rectA, clipping_rect rectB)
 {
 	return valid_rect(sect_rect(rectA, rectB));
 }
@@ -114,4 +114,17 @@ rect_height(clipping_rect rect)
 }
 
 
+static inline clipping_rect
+rect_offset(clipping_rect rect, int32 x, int32 y)
+{
+	clipping_rect offRect;
+
+	offRect.left = rect.left + x;
+	offRect.top = rect.top + y;
+	offRect.right = rect.right + x;
+	offRect.bottom = rect.bottom + y;
+
+	return offRect;
+}
+
 #endif // __CLIPPING_H