content: import cv2
  import numpy as np
  
  def txt_to_img(text, font=cv2.FONT_HERSHEY_SIMPLEX, font_scale=1, font_thickness=2, img_width=1000, img_height=100, text_color=(0, 0, 0), bg_color=(255, 255, 255)):
      lines = text.split('\n')
      img_lines = []
      for line in lines:
          # 计算每行文本的尺寸
          line_size, _ = cv2.getTextSize(line, font, font_scale, font_thickness)
          line_width, line_height = line_size
          # 创建包含当前行的图像画布
          img_line = np.full((int(line_height*1.5) , img_width, 3), bg_color, dtype=np.uint8)
          text_x, text_y = 0, line_height
          cv2.putText(img_line, line, (text_x, text_y), font, font_scale, text_color, font_thickness, cv2.LINE_AA)
          
          img_lines.append(img_line)
  
  
      # 垂直堆叠所有行图像
      img = np.vstack(img_lines)
      return img