import pygame
import cv2
 
FONT_SIZE = 18 # 字体大小，可自行调整
WIN_SIZE = (1440, 1000) # 窗口大小，可自行调整
VIDEO_SIZE = (30, 30) # 视频大小，可自行调整
VIDEO_PATH = './cat.gif' # 视频文件（可以为常见的视频格式和gif）
STR_TEXT = '假装失智' # 替换字符，可自定义，没有长度限制，但至少得有一个
 
 
def video2imgs(video_name, size):
 img_list = []
 cap = cv2.VideoCapture(video_name)
 
 while cap.isOpened():
  ret, frame = cap.read()
  if ret:
   img = cv2.resize(frame, size, interpolation=cv2.INTER_AREA)
   img_list.append(img)
  else:
   break
 cap.release()
 
 return img_list
 
 
# 初始化pygame
def main():
 pygame.init()
 
 winSur = pygame.display.set_mode(WIN_SIZE)
 
 imgs = video2imgs(VIDEO_PATH, VIDEO_SIZE)
 
 btnFont = pygame.font.SysFont("fangsong", FONT_SIZE)
 
 btnFont.set_bold(True)
 
 # 生成surface
 sur_list = []
 for img in imgs:
  height, width, color = img.shape
  surface = pygame.Surface(WIN_SIZE)
  a = 0
  x, y = 0, 0
  for row in range(height):
   x = 0
   for col in range(width):
    # 获取当前像素RGB
    rgb = img[row][col]
    rgb[0], rgb[2] = rgb[2], rgb[0]
    text_texture = btnFont.render(STR_TEXT[a], True, rgb)
    a = a + 1
    a = a % len(STR_TEXT)
    surface.blit(text_texture, (x, y))
    x = x + FONT_SIZE
   y = y + FONT_SIZE
  sur_list.append(surface)
 
 # 游戏主循环
 current_frame = 0
 while True:
 
  for event in pygame.event.get():
   if event.type == pygame.QUIT:
    exit()
 
  pygame.time.delay(int(1000 / 24))
  winSur.fill((0, 0, 0))
  winSur.blit(sur_list[current_frame], [0, 0])
  current_frame += 1
  current_frame %= len(sur_list)
  # 刷新界面
  pygame.display.flip()
 
 
if __name__ == '__main__':
 main()