Python 給圖片添加水印

#!/usr/bin/env python # -*- coding: UTF-8 -*- from PIL import Image, ImageDraw, ImageFont import time def add_text_to_image(image, text): / font = ImageFont.truetype("/Library/Fonts/Songti.ttc", 36) # 添加背景 new_img = Image.new('RGBA', (image.size[0] * 3, image.size[1] * 3), (0, 0, 0, 0)) new_img.paste(image, image.size) # 添加水印 font_len = len(text) rgba_image = new_img.convert('RGBA') text_overlay = Image.new('RGBA', rgba_image.size, (255, 255, 255, 0)) image_draw = ImageDraw.Draw(text_overlay) i_length = rgba_image.size[0] j_length = rgba_image.size[1] for i in range(0, i_length, font_len * 40 + 100): for j in range(0, j_length, 200): image_draw.text((i, j), text, font=font, fill=(0, 0, 0, 100)) text_overlay = text_overlay.rotate(45) image_with_text = Image.alpha_composite(rgba_image, text_overlay) # 裁切圖片 image_with_text = image_with_text.crop((image.size[0], image.size[1], image.size[0] * 2, image.size[1] * 2)) image_with_text.save(time.strftime('%Y%m%d%H%M%S.png')) if __name__ == '__main__': image = Image.open('test.jpg') add_text_to_image(image, u'僅供xxxx使用，他用無效')