安装必要库

pip install Pillow

代码

import os
import glob
import time
from sys import argv
from PIL import Image

# 多少张图片合成一张
merge_count = 2
merge_queue = []
min_width = 9999999
min_height = 99999999

if len(argv) <= 1:
    exit()

if not os.path.exists("output"):
    os.makedirs("output")

for _file in glob.glob(os.path.join(argv[1], "*.jpg")):
    img = Image.open(_file)
    if img.width > img.height:
        continue
    min_width = min(min_width, img.width)
    min_height = min(min_height, img.height)
    if len(merge_queue)+1 == merge_count:
        # merge image
        target = Image.new('RGB', (min_width*merge_count*merge_count, min_height))
        if abs(img.height - min_height) > 100:
            img = img.resize((int((img.width / img.height) * min_height), min_height))
        target.paste(img, (0,0))
        _tmpWidth = img.width
        for _tmpFile in merge_queue:
            _tmpImage = Image.open(_tmpFile)
            if abs(_tmpImage.height - min_height) > 100:
                _tmpImage = _tmpImage.resize((int((_tmpImage.width / _tmpImage.height) * min_height), min_height))
            target.paste(_tmpImage, (_tmpWidth, 0))
            _tmpWidth += _tmpImage.width
            _tmpImage.close()
        target = target.crop((0, 0, _tmpWidth, min_height))
        target.save("output/%d.jpg" % int(time.time()*1000))
        
        # reset count
        merge_queue = []
        min_width = 999999
        min_height = 999999
    else:
        merge_queue.append(img.filename)
    img.close()

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