PIL's image tool image reduction and splicing.

Due to the research, Taobao teachers need to splice and cut detailed pictures
So use PIL Wrote a little program , If you need it, you can copy it .

Things are things that people use .
Get a friend to order a collection if you are useful

# -*- codeing = utf-8 -*-
# @Time : 2021/5/12
# @Author : ckw
# @File : 1.py
# @Software :PyCharm

from PIL import Image
import os
import glob


def pinjie(dirpath):
    paths = glob.glob(dirpath + "/*.jpg")
    paths.sort()
    files = paths
    width = 750
    x = width
    y = 0
    for path_base in files:
        img = Image.open(path_base)
        size = img.size
        if size[0] <= width:
            pass
        else:
            size[0] > width
            hight = int(width / (size[0] / size[1]))
            img = img.resize((width, hight))
        y += img.size[1]
        img.close()
    new_img = Image.new('RGB', (x, y), (255, 255, 255))  #  Get the splice length 
    x = 0
    y = 0
    for path_base in files:
        img = Image.open(path_base)
        size = img.size
        x = 0
        if size[0] <= width:
            new_img.paste(img, (x, y + 1))
            y = y + img.size[1]
        else:
            size[0] > width
            hight = int(width / (size[0] / size[1]))
            img_1 = img.resize((width, hight))
            new_img.paste(img_1, (x, y + 1))
            y = y + img_1.size[1]
        img.close()
    # dirpath = os.path.dirname(dirpath)
    usefilepath = dirpath + '\\' + ' Splicing synthesis '
    if os.path.exists(usefilepath):
        print(' file already exist ')
    else:
        os.mkdir(usefilepath)
        print(' Generate file directory ')
    path_m = usefilepath + '\\' + '1.jpg'
    new_img.save(path_m)
    new_img.close
    print(' Picture splicing is completed ')


def qiepian(path, h):
    if os.path.exists(path):
        new_img = Image.open(path)
        x1 = 0
        y1 = 0
        x2 = 0
        y2 = 0
        n = 1
        v = -(-new_img.size[1] // h)
        y2 = h
        usefilepath = os.path.dirname(path) + '\\' + ' Slice segmentation '
        if os.path.exists(usefilepath):
            print(' file already exist ')
        else:
            os.mkdir(usefilepath)
            print(' Generate file directory ')
        for n in range(v):
            x2 = new_img.size[0]
            if y2 > new_img.size[1]:
                y2 = new_img.size[1]
            box = (x1, y1, x2, y2)
            img = new_img.crop(box)
            y1 = y2 + 1
            y2 = y2 + 1 + h
            path_3 = usefilepath + '\\' + '%d.jpg' % n
            img.save(path_3)
            img = 0
            n += 1
        print(' Slice successfully , Generate the file ')
    else:
        print(' No documents found , Please re-enter ')

def chongsu(dirpath,width,hight):
    paths = glob.glob(dirpath + "/*.jpg")
    paths.sort()
    files = paths
    # width = 750
    x = width
    y = 0
    for path_base in files:
        img = Image.open(path_base)
        size = img.size
        if size[0] <= width:
            pass
        else:
            size[0] > width
            hight = int(width / (size[0] / size[1]))
            img = img.resize((width, hight))
        y += img.size[1]
        img.close()
    new_img = Image.new('RGB', (x, y), (255, 255, 255))  #  Get the splice length 
    x = 0
    y = 0
    for path_base in files:
        img = Image.open(path_base)
        size = img.size
        x = 0
        if size[0] <= width:
            new_img.paste(img, (x, y + 1))
            y = y + img.size[1]
        else:
            size[0] > width
            hight = int(width / (size[0] / size[1]))
            img_1 = img.resize((width, hight))
            new_img.paste(img_1, (x, y + 1))
            y = y + img_1.size[1]
        img.close()
    x1 = 0
    y1 = 0
    x2 = 0
    y2 = 0
    n = 1
    h=hight
    v = -(-new_img.size[1] // h)
    y2 = h
    usefilepath = os.path.dirname(dirpath) + '\\' + ' Slice segmentation '
    if os.path.exists(usefilepath):
        print(' file already exist ')
    else:
        os.mkdir(usefilepath)
        print(' Generate file directory ')
    for n in range(v):
        x2 = new_img.size[0]
        if y2 > new_img.size[1]:
            y2 = new_img.size[1]
        box = (x1, y1, x2, y2)
        img = new_img.crop(box)
        y1 = y2 + 1
        y2 = y2 + 1 + h
        path_3 = usefilepath + '\\' + '%d.jpg' % n
        img.save(path_3)
        img = 0
        n += 1
    print(' Slice successfully , Generate the file ')

def zypinjie(dirpath,width):
    paths = glob.glob(dirpath + "/*.jpg")
    paths.sort()
    files = paths
    x = width
    y = 0
    for path_base in files:
        img = Image.open(path_base)
        size = img.size
        if size[0] <= width:
            pass
        else:
            size[0] > width
            hight = int(width / (size[0] / size[1]))
            img = img.resize((width, hight))
        y += img.size[1]
        img.close()
    new_img = Image.new('RGB', (x, y), (255, 255, 255))  #  Get the splice length 
    x = 0
    y = 0
    for path_base in files:
        img = Image.open(path_base)
        size = img.size
        x = 0
        if size[0] <= width:
            new_img.paste(img, (x, y + 1))
            y = y + img.size[1]
        else:
            size[0] > width
            hight = int(width / (size[0] / size[1]))
            img_1 = img.resize((width, hight))
            new_img.paste(img_1, (x, y + 1))
            y = y + img_1.size[1]
        img.close()
    # dirpath = os.path.dirname(dirpath)
    usefilepath = dirpath + '\\' + ' Splicing synthesis '
    if os.path.exists(usefilepath):
        print(' file already exist ')
    else:
        os.mkdir(usefilepath)
        print(' Generate file directory ')
    path_m = usefilepath + '\\' + '1.jpg'
    new_img.save(path_m)
    new_img.close
    print(' Picture splicing is completed ')


def main():
    print(' The main menu :\n 1. File slice \n\n 2. Picture splicing \n\n 3. Reshape cutting \n\n 4. Free stitching \n\n 5. Shut down the program \n\n')
    insel = input(' Please enter the required function :')
    if insel == '1':
        jpgpath = input(' Please enter the path of the image you want to slice ：')
        if jpgpath=='':
            main()
        hight = int(input(' Enter the image height you want :'))
        if hight=='':
            main()
        qiepian(jpgpath, hight)
        main()
    elif insel == '2':
        dirpath = input(' Please enter the folder location to be spliced ：')
        if dirpath=='':
            main()
        pinjie(dirpath)
        main()
    elif insel == '3':
        dirpath = input(' Please enter the folder location to be spliced ：')
        width = int(input(' Please enter the required file width ：'))
        hight = int(input(' Please enter the height of the file to be segmented ：'))
        if dirpath=='':
            main()
        if width=='':
            main()
        if width=='':
            main()
        chongsu(dirpath,width,hight)
        main()
    elif insel == '4':
        dirpath = input(' Please enter the folder location to be spliced ：')
        width = int(input(' Please enter the required file width ：'))
        if dirpath=='':
            main()
        if width=='':
            main()
        zypinjie(dirpath,width)
        main()
    elif insel == '5':
        quit()

if __name__ == '__main__':
    main()