from PIL import Image, ImageDraw, ImageFont

 font_size = 7 #This var can change the Word's blank size.

 text = "我的小猪!" #filled with those word

 img_path = "F://SD.jpg"#image path

 img_raw = Image.open(img_path)#open the image

 img_array = img_raw.load()

 img_new = Image.new("RGB", img_raw.size, (0, 0, 0))

 draw = ImageDraw.Draw(img_new)

 font = ImageFont.truetype('C:/Windows/fonts/Dengl.ttf', font_size)#Create a empty image

 def character_generator(text):#filled the font

     while True:

         for i in range(len(text)):

             yield text[i]

 ch_gen = character_generator(text)

 for y in range(0, img_raw.size[1], font_size):

     for x in range(0, img_raw.size[0], font_size):

         draw.text((x, y), next(ch_gen), font=font, fill=img_array[x, y], direction=None)

 img_new.convert('RGB').save("F://SunJJ.jpg")