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Age-Watermark.py
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Age-Watermark.py
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from PIL import Image, ImageDraw, ImageFont
from PIL.ExifTags import TAGS
from datetime import datetime, timedelta, date
import os
import msvcrt #只适用于Windows程序实现按任意键退出,Linux和macOS需要sys,tty,termios和其他的代码
# 获取图像的 EXIF 数据
def get_exif_data(image):
exif_data = {}
try:
exif_info = image._getexif()
if exif_info:
for tag, value in exif_info.items():
decoded = TAGS.get(tag, tag)
exif_data[decoded] = value
except AttributeError:
pass
return exif_data
# 获取图像的拍摄日期
def get_date_taken(image):
exif_data = get_exif_data(image)
date_string = exif_data.get('DateTimeOriginal', None)
if date_string:
date_taken = datetime.strptime(date_string, '%Y:%m:%d %H:%M:%S')
return date_taken.date()
return None
# 处理图像
def process_image(image_path, output_dir, target_date, font=None):
with Image.open(image_path) as image:
date_taken = get_date_taken(image)
if not date_taken:
return
img_width, img_height = image.size
longside = max(img_height, img_width)
font_size = int(longside / 40) #控制字体大小,此数值越大,字体显示越小
target_date = datetime.strptime(target_date, '%Y-%m-%d').date()
formatted_date = target_date.strftime('%Y-%m-%d')
# 计算天数、月数和年数
delta = date_taken - target_date
days = delta.days
if days < 0:
text = f'{formatted_date}之前的照片'
elif days == 0:
text = '我出生啦'
elif days <= 100:
text = f'{days}天'
elif days < 365:
months = days // 30
days = days % 30
if days == 0:
text = f'{months}个月'
else:
text = f'{months}个月{days}天'
else:
years = days // 365
months = (days % 365) // 30
days = (days % 365) % 30
if months == 0 and days == 0:
text = f'{years}岁'
elif months == 0:
text = f'{years}岁零{days}天'
elif days == 0:
text = f'{years}岁{months}个月'
else:
text = f'{years}岁{months}个月{days}天'
# 在图像上添加文本
draw = ImageDraw.Draw(image)
if font is None:
font = ImageFont.truetype('msyh.ttc', size=font_size) # 此处指定字体为雅黑
text_bbox = font.getbbox(text)
text_width, text_height = text_bbox[2], text_bbox[3]
x = img_width - text_width - 200 # 右侧预留200像素,否则天数较小情况下日期显示不全
y = img_height - text_height * 2 - 50 # 下侧预留50像素
draw.text((x + text_width//2, y + text_height//2), str(date_taken), fill='magenta', anchor='mm', font=font)
draw.text((x + text_width//2, y + text_height*3//2), text, fill='magenta', anchor='mm', font=font)
# 将处理后的图像保存到指定的输出目录
output_path = os.path.join(output_dir, os.path.relpath(image_path, input_dir))
output_dir = os.path.dirname(output_path)
os.makedirs(output_dir, exist_ok=True)
exif_info = image.info.get('exif') # 获取原图像的EXIF信息
image.save(output_path, quality=95, exif=exif_info) # 将原图像的EXIF信息赋值给新保存的图像
if __name__ == '__main__':
while True:
date_str = input("请输入一个日期(比如小孩的生日),格式为:20200321:")
try:
target_date = datetime.strptime(date_str, '%Y%m%d').date().strftime('%Y-%m-%d')
break
except ValueError:
print("输入日期格式不正确,请重新输入")
input_dir = os.getcwd()
output_dir = 'D:\\已处理\\'
for root, dirs, files in os.walk(input_dir):
for file in files:
if file.lower().endswith(('.jpg', '.jpeg')):
image_path = os.path.join(root, file)
print(f"正在处理图片: {file}")
process_image(image_path, output_dir, target_date)
print("处理完毕,按任意键退出本程序并打开 D:\\已处理")
msvcrt.getch()
os.system('start "" "D:\\已处理"')