serialization for scene items

1 files changed, 15 insertions, 1 deletions

diff --git a/src/main/python/shapes/line.py b/src/main/python/shapes/line.py
index dc0a09c..b798dff 100644
--- a/src/main/python/shapes/line.py
+++ b/src/main/python/shapes/line.py
@@ -893,4 +893,18 @@ class Line(QGraphicsPathItem):
         addLableAction = contextMenu.addAction("add Label")
         action = contextMenu.exec_(event.screenPos())
         if action == addLableAction:
-            self.label.append(LineLabel(event.scenePos(), self))
\ No newline at end of file
+            self.label.append(LineLabel(event.scenePos(), self))
+    def setPenStyle(self, style):
+        """change current pen style for line"""
+        self.penStyle = style
+
+    def __getstate__(self):
+        return {
+            "_classname_": self.__class__.__name__,
+            "startPoint": (self.startPoint.x(), self.startPoint.y()),
+            "endPoint": (self.endPoint.x(), self.endPoint.y()),
+            "points": [(point.x(), point.y()) for point in self.points]
+        }
+    
+    def __setstate__(self, dict):
+        self.points = [QPointF(x, y) for x, y in dict["points"]]