删除所有外部旧引用

app/views/panels/single_step_panel.py

@@ -13,7 +13,8 @@ from tkinter import filedialog, messagebox
 import ttkbootstrap as ttk
 from PIL import Image
 
-from drivers.ucd_helpers import get_current_resolution
+
+
 
 
 _DEFAULT_SAMPLES = [
@@ -387,9 +388,9 @@ def _format_float(value):
 
 
 def _build_color_patch(self, hex_value):
-    if not getattr(self, "ucd", None) or not self.ucd.status:
+    if not self.signal_service.is_connected:
         raise RuntimeError("请先连接 UCD323 设备")
-    width, height = get_current_resolution(self.ucd)
+    width, height = self.signal_service.current_resolution()
     rgb = tuple(int(hex_value[i:i + 2], 16) for i in (1, 3, 5))
     temp_dir = os.path.join(tempfile.gettempdir(), "pq_single_step_patches")
     os.makedirs(temp_dir, exist_ok=True)