# 導(dǎo)入pycryptodome庫(kù)
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad
import base64
 
# 定義加密函數(shù)
def aes_encrypt(key, data):
    # 將key和iv轉(zhuǎn)換成bytes類型
    key = bytes(key, encoding='utf-8')
    iv = bytes(key, encoding='utf-8')
    # 使用AES算法進(jìn)行加密
    cipher = AES.new(key, AES.MODE_CBC, iv)
    # 對(duì)數(shù)據(jù)進(jìn)行補(bǔ)位
    data = pad(data, AES.block_size)
    # 加密
    ciphertext = cipher.encrypt(data)
    # 將加密后的數(shù)據(jù)進(jìn)行base64編碼
    return base64.b64encode(ciphertext).decode('utf-8')
 
# 定義解密函數(shù)
def aes_decrypt(key, data):
    # 將key和iv轉(zhuǎn)換成bytes類型
    key = bytes(key, encoding='utf-8')
    iv = bytes(key, encoding='utf-8')
    # 使用AES算法進(jìn)行解密
    cipher = AES.new(key, AES.MODE_CBC, iv)
    # 對(duì)數(shù)據(jù)進(jìn)行解碼
    data = base64.b64decode(data)
    # 解密
    plaintext = cipher.decrypt(data)
    # 對(duì)解密后的數(shù)據(jù)進(jìn)行去補(bǔ)位操作
    return unpad(plaintext, AES.block_size)
 
# 加密圖片文件
with open('test.jpg', 'rb') as f:
    data = f.read()
    # 加密圖片數(shù)據(jù)
    encrypted_data = aes_encrypt('1234567890123456', data)
    # 保存加密后的圖片數(shù)據(jù)
    with open('test_encrypted.jpg', 'wb') as f1:
        f1.write(bytes(encrypted_data, encoding='utf-8'))
 
# 解密圖片文件
with open('test_encrypted.jpg', 'rb') as f:
    encrypted_data = f.read()
    # 解密圖片數(shù)據(jù)
    decrypted_data = aes_decrypt('1234567890123456', encrypted_data)
    # 保存解密后的圖片數(shù)據(jù)
    with open('test_decrypted.jpg', 'wb') as f1:
        f1.write(decrypted_data)

from PIL import Image, ImageDraw, ImageFont
 
# 打開(kāi)圖片文件
img = Image.open('test.jpg')
 
# 創(chuàng)建繪圖對(duì)象
draw = ImageDraw.Draw(img)
 
# 設(shè)置水印文字
text = 'Watermark'
 
# 設(shè)置水印字體
font = ImageFont.truetype('arial.ttf', 36)
 
# 設(shè)置水印顏色
color = (255, 255, 255, 128)
 
# 設(shè)置水印位置
position = (img.size[0]-200, img.size[1]-50)
 
# 添加水印文字
draw.text(position, text, font=font, fill=color)
 
# 保存水印圖片文件
img.save('test_watermarked.jpg')

import qrcode
 
# 打開(kāi)圖片文件
img = Image.open('test.jpg')
 
# 創(chuàng)建二維碼對(duì)象
qr = qrcode.QRCode(version=1, box_size=10, border=2)
qr.add_data('https://www.example.com')
qr.make(fit=True)
 
# 生成二維碼圖片
qr_img = qr.make_image(fill_color="black", back_color="white")
 
# 計(jì)算二維碼位置
pos_x = img.size[0]-qr_img.size[0]-10
pos_y = img.size[1]-qr_img.size[1]-10
position = (pos_x, pos_y)
 
# 添加二維碼水印
img.paste(qr_img, position)
 
# 保存水印圖片文件
img.save('test_qrcode.jpg')