commit adds setWidth & setHeight to extend bounds of rect

svn-id: r18283

common/rect.h

@@ -72,6 +72,14 @@ struct Rect {
 	}
 	int16 width() const { return right - left; }
 	int16 height() const { return bottom - top; }
+	
+	void setWidth(int16 width) {
+		right = left + width;
+	}
+
+	void setHeight(int16 height) {
+		bottom = top + height;
+	}
 
 	/*!	@brief check if given position is inside this rectangle