[原]多张图片排列合成一张.可随意定制行数和列数

from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
import glob
import os

class MergePIC:
    def __init__(self, row = 1, col = 1, pages = 1):
        self.row = row
        self.col = col
        self.pages = pages
    def domerge(self, headname, outname):
        #find size in a pic
        im1 = Image.open(headname)
        im_w, im_h = im1.size
        #creat new img size fit row, col
        new_img = Image.new('RGB', (im_w*self.col+1, im_h*self.row+1), (255, 255, 255))

        #get head num
        headnum = int(headname.split("_")[1][:3])
        endnum = headnum + self.row*self.col
        pastname = headname
#        print(type(self.row) == type(1), self.row, self.col)
        for i in range(0,self.row):
            for k in range(0,self.col):
                new_img.paste(im1, (0+(k*im_w), 0+(i*im_h)))
                if headnum < endnum:
                    headnum += 1
                    str_head = "%03d" % headnum
                    pastname = headname.split("_")[0] + "_" + str_head + ".jpg"
                    if os.path.exists(pastname) == False:
                        print("unable to past %s \n please check file" % pastname)
                        im1 = Image.new('RGB', (im_w, im_h), (255, 255, 255))
                    elif headnum > self.pages:
                        print("%s num is %d, out of need pages %d" % (pastname, headnum, self.pages))
                        im1 = Image.new('RGB', (im_w, im_h), (255, 255, 255))
                    else:
                        im1 = Image.open(pastname)

        #save the img
        #fullFile = outname + "_" + headname.split("_")[1]
        #new_img.save(fullFile)
        new_img.save(outname)
    def pastPIC(self, inname, i, k):
        pass
#        new_img.paste(inname, (0, 60))

    def listPIC(self, dir):
        self.files = glob.glob(dir+"full*.jpg")
        #check files and number
        print("== check file full ==")
        print("Your files all : %s \nYour request is : %d" % (len(self.files), self.pages))

        if len(self.files) == self.pages:
            print("check page num pass")
        else:
            print("Please confirm the number of files again")

        # for i in range(0,self.pages):
        #     print(self.files[i][2::])
    def doloop(self):
        num = 1
        for i in range(0, self.pages, self.row*self.col):
            inname = self.files[i][2::]
            outnum = inname.split("_")[0][-3::]
            str_i = "%03d" % num
            num += 1
            outname = "merge" + outnum + "_" + str_i + ".jpg"
            self.domerge(inname, outname)


if __name__ == '__main__':
    foo = MergePIC(2,4,140)

    foo.listPIC("./")
    foo.doloop()