为什么这个 Python 代码在扩展屏下不会重绘水印？

代码如下：

import tkinter as tk import win32api import win32con import pywintypes import os import threading import time from screeninfo import get_monitors from PIL import Image, ImageDraw, ImageFont,ImageTk def get_total_screen_size(): mOnitors= get_monitors() width = sum(monitor.width for monitor in monitors) height = max(monitor.height for monitor in monitors) return width, height font_family = "msyh.ttf" # Replace with your actual font filename font_size = 36 def generate_watermark(text, width, height,color='#d5d5d5', opacity=0, lines=10, angle=0): get_total_screen_size() spacing = 100 # 创建一个 Image 对象，用于绘制水印 img = Image.new('RGBA', (width, height), (255, 255, 255, 0)) draw = ImageDraw.Draw(img) fOnt= ImageFont.truetype(font_family, font_size) # 将文本拆分成多行 text_lines = text.split('\n') if text else lines # 计算每个水印的宽度和高度 bbox = draw.textbbox((0, 0), text_lines[0], fOnt=font) text_width, text_height = bbox[2] - bbox[0] + spacing, bbox[3] - bbox[1] + spacing # 计算每行可以容纳的水印数量 watermarks_per_row = width // (text_width + spacing) total_rows = (height - 50) // (text_height + spacing) # 设置初始位置 x = 50 y = 30 for row in range(0,total_rows): x = 50 # 每行重新从左侧开始 y = 50 + row * (text_height + spacing) for col in range(0,watermarks_per_row): rotated_text = Image.new('RGBA', (text_width, text_height), (255, 255, 255, 0)) rotated_draw = ImageDraw.Draw(rotated_text) rotated_draw.text((0, 0), text_lines[row % len(text_lines)], fOnt=font, fill=color) rotated_text = rotated_text.rotate(angle, expand=True) # 将旋转后的文本粘贴到主图像上 img.paste(rotated_text, (x, y), rotated_text) x += text_width + spacing tk_img = ImageTk.PhotoImage(img) # 创建一个 Label 并显示图片 label = tk.Label(image=tk_img,bg="white") label.image = tk_img # 保持引用，防止垃圾回收 label.pack() def create_watermark_window(text, **kwargs): root = tk.Tk() def generate_watermark_with_size(): screen_width, screen_height = get_total_screen_size() generate_watermark(text, screen_width, screen_height, **kwargs) def monitor_resolution_changes(): nonlocal generate_watermark_with_size prev_monitor_count = len(get_monitors()) while True: current_monitor_count = len(get_monitors()) if current_monitor_count != prev_monitor_count: generate_watermark_with_size() prev_monitor_count = current_monitor_count time.sleep(3) monitor_thread = threading.Thread(target=monitor_resolution_changes) monitor_thread.daemon = True monitor_thread.start() # 使用 after 方法延迟执行生成水印函数 root.after(100, generate_watermark_with_size) root.overrideredirect(True) root.lift() root.attributes('-alpha', 0.3) # 设置透明度 root.wm_attributes('-topmost', True) root.wm_attributes('-disabled', True) root.wm_attributes('-transparentcolor',"white") hWindow = pywintypes.HANDLE(int(root.frame(), 16)) exStyle = win32con.WS_EX_COMPOSITED | win32con.WS_EX_LAYERED | win32con.WS_EX_NOACTIVATE | win32con.WS_EX_TOPMOST | win32con.WS_EX_TRANSPARENT win32api.SetWindowLong(hWindow, win32con.GWL_EXSTYLE, exStyle) root.mainloop() # 使用示例 if __name__ == '__main__': # 获取当前用户名 username = os.getlogin() # 组合文本 mytext = f"Allianz\n{username}" # 使用 f-string 格式化字符串 angle = 45 # 旋转角度 create_watermark_window(mytext, angle=angle, lines=10) 

这个代码在切换一次外接屏幕后，只绘制了主屏幕，副屏不能绘制。Windows 11 系统 恳请各位赐教一下