- fix bug

  修复多边形移动时可能超出图片范围的问题。

Author: yatengLG

ISAT/widgets/canvas.py

@@ -4,16 +4,12 @@
 from PyQt5 import QtWidgets, QtGui, QtCore
 from ISAT.widgets.polygon import Polygon, Vertex, PromptPoint, Line
 from ISAT.configs import STATUSMode, CLICKMode, DRAWMode, CONTOURMode
-from PIL import Image
 import numpy as np
 import cv2
 import time  # 拖动鼠标描点
 import shapely
 
 
-
-
-
 class AnnotationScene(QtWidgets.QGraphicsScene):
     def __init__(self, mainwindow):
         super(AnnotationScene, self).__init__()

ISAT/widgets/polygon.py

@@ -179,7 +179,7 @@ def itemChange(self, change: 'QGraphicsItem.GraphicsItemChange', value: typing.A
                     self.scene().selected_polygons_list.remove(self)
             self.scene().mainwindow.annos_dock_widget.set_selected(self) # 更新label面板
 
-        if change == QtWidgets.QGraphicsItem.GraphicsItemChange.ItemPositionHasChanged:  # ItemPositionHasChanged
+        if change == QtWidgets.QGraphicsItem.GraphicsItemChange.ItemPositionChange: # ItemPositionHasChanged
             bias = value
             l, t, b, r = self.boundingRect().left(), self.boundingRect().top(), self.boundingRect().bottom(), self.boundingRect().right()
             if l + bias.x() < 0: bias.setX(-l)