- 性能优化

  QGraphicsView使用opengl渲染，在存在大量标注目标时，略微提升交互速度。

- 修复图片跳转功能
  在调整失败时，现在会正确定位到当前图像。

Author: yatengLG

ISAT/widgets/canvas.py

@@ -1058,6 +1058,9 @@ def __init__(self, parent=None):
         self.setDragMode(QtWidgets.QGraphicsView.DragMode.ScrollHandDrag)
         self.factor = 1.2
 
+        self.setViewport(QtWidgets.QOpenGLWidget())
+        self.setRenderHint(QtGui.QPainter.Antialiasing, False)
+
     def wheelEvent(self, event: QtGui.QWheelEvent):
         angel = event.angleDelta()
         angelX, angelY = angel.x(), angel.y()

ISAT/widgets/files_dock_widget.py

@@ -58,7 +58,6 @@ def set_select(self, row):
 
     def listwidget_doubleclick(self):
         row = self.listWidget.currentRow()
-        self.mainwindow.current_index = row
         self.mainwindow.show_image(row)
 
     def dragEnterEvent(self, event):

ISAT/widgets/mainwindow.py

@@ -1112,24 +1112,22 @@ def prev_image(self):
             return
         if self.current_index is None:
             return
-        self.current_index = self.current_index - 1
-        if self.current_index < 0:
-            self.current_index = 0
+        current_index = self.current_index - 1
+        if current_index < 0:
             QtWidgets.QMessageBox.warning(self, 'Warning', 'This is the first picture.')
         else:
-            self.show_image(self.current_index)
+            self.show_image(current_index)
 
     def next_image(self):
         if self.scene.mode != STATUSMode.VIEW:
             return
         if self.current_index is None:
             return
-        self.current_index = self.current_index + 1
-        if self.current_index > len(self.files_list) - 1:
-            self.current_index = len(self.files_list)-1
+        current_index = self.current_index + 1
+        if current_index > len(self.files_list) - 1:
             QtWidgets.QMessageBox.warning(self, 'Warning', 'This is the last picture.')
         else:
-            self.show_image(self.current_index)
+            self.show_image(current_index)
 
     def jump_to(self):
         index = self.files_dock_widget.lineEdit_jump.text()