实验性功能：新增了<数据预处理>使用vispy绘图时的参考图例显示

func/Module_preprocess.py

@@ -20,6 +20,7 @@ from func.utils.PublicFunc import PublicFunc
 from func.utils.Constants import Constants
 from func.Filters.Preprocessing import Butterworth_for_BCG_PreProcess, Butterworth_for_ECG_PreProcess
 from func.utils.Result import Result
+from func.utils.FloatingImagePanel import add_floating_image_panel
 
 from ui.MainWindow.MainWindow_preprocess import Ui_MainWindow_preprocess
 from ui.setting.preprocess_input_setting import Ui_MainWindow_preprocess_input_setting
@@ -187,6 +188,12 @@ class MainWindow_preprocess(QMainWindow):
         self.progressbar = None
         PublicFunc.add_progressbar(self)
 
+        self.image_overlay = add_floating_image_panel(
+            self.centralWidget(),
+            title="参考图例",
+            img_path=r"image\legend_preprocess.png"
+        )
+
         self.plot_mode = plot_mode
         if self.plot_mode == "matplotlib":
             #初始化画框
@@ -492,6 +499,18 @@ class MainWindow_preprocess(QMainWindow):
             self.ax0.grid(True)
             self.ax0.xaxis.set_major_formatter(Params.FORMATTER)
 
+    def update_overlay_position(self):
+        """手动定位函数"""
+        margin = 20
+        x = self.width() - self.image_overlay.width() - margin
+        y = margin
+        self.image_overlay.move(x, y)
+
+    def resizeEvent(self, event):
+        """确保窗口变大小时，悬浮窗依然在右上角"""
+        super().resizeEvent(event)
+        self.update_overlay_position()
+
 
 class Data: