- fix bug

  修复重绘模式，有时候不显示提示线的问题。

Author: yatengLG

ISAT/widgets/canvas.py

@@ -189,9 +189,9 @@ def change_mode_to_repaint(self):
         self.mode = STATUSMode.REPAINT
         self.repaint_start_vertex = None
         self.repaint_end_vertex = None
-
-        self.current_line = Line()  # 重绘部分，由起始点开始的线段显示
-        self.addItem(self.current_line)
+        if self.current_line is None:
+            self.current_line = Line()  # 重绘部分，由起始点开始的线段显示
+            self.addItem(self.current_line)
 
         if self.image_item is not None:
             self.image_item.setCursor(QtGui.QCursor(QtCore.Qt.CursorShape.CrossCursor))

ISAT/widgets/polygon.py

@@ -363,6 +363,7 @@ def __init__(self):
         pen = QtGui.QPen(self.color, self.line_width)
         pen.setStyle(QtCore.Qt.PenStyle.DotLine)
         self.setPen(pen)
+        self.setZValue(1e5)
 
     def addPoint(self, point):
         self.points.append(point)