Python拼接图像 Pillow

拼接指定的图像

from PIL import Image
import os


def GetFileFromThisRootDir(dir, ext=None):
    allfiles = []
    needExtFilter = (ext != None)
    for root, dirs, files in os.walk(dir):
        for filespath in files:
            filepath = os.path.join(root, filespath)
            extension = os.path.splitext(filepath)[1][1:]
            if needExtFilter and extension in ext:
                allfiles.append(filepath)
            elif not needExtFilter:
                allfiles.append(filepath)
    return allfiles


# im = Image.open("TxSc_Bio_Forest_Tree_04_d.tga")
# im3 = im.crop(((im.width/2, 0), (3*im.width/4,0), (im.width/2, 1), (3*im.width/4,1)))
# im3.save("1.tga")

def crop_tex(path):
    with Image.open(path) as im:

        # The crop method from the Image module takes four coordinates as input.
        # The right can also be represented as (left+width)
        # and lower can be represented as (upper+height).
        (left, upper, right, lower) = (im.width/2, 0, im.width * 3/4, im.height)

        # Here the image "im" is cropped and assigned to new variable im_crop
        im_crop = im.crop((left, upper, right, lower))

        # im_crop.save(path.split('.')[1].replace('\\','') + "_crop.tga")
        return im_crop

allfile = GetFileFromThisRootDir(".", "tga")
# for each in allfile:
#     crop_tex(each)

im_combine = Image.new('RGBA', (2048, 2048))
im0 = crop_tex(allfile[0])
im1 = crop_tex(allfile[1])
im2 = crop_tex(allfile[2])
im3 = crop_tex(allfile[3])

im_combine.paste(im0, (0, 0, im0.width, im0.height))
im_combine.paste(im1, (im1.width    , 0, im1.width * 2, im1.height))
im_combine.paste(im2, (im2.width * 2, 0, im2.width * 3, im2.height))
im_combine.paste(im3, (im3.width * 3, 0, im3.width * 4, im3.height))
im_combine.save(allfile[0].split('.')[1].replace('\\','') + "_crop.tga")

混合图像Alpha (类似于PS的新建图层)

from PIL import Image
import os


def GetFileFromThisRootDir(dir, ext=None):
    allfiles = []
    needExtFilter = (ext != None)
    for root, dirs, files in os.walk(dir):
        for filespath in files:
            filepath = os.path.join(root, filespath)
            extension = os.path.splitext(filepath)[1][1:]
            if needExtFilter and extension in ext:
                allfiles.append(filepath)
            elif not needExtFilter:
                allfiles.append(filepath)
    return allfiles

def crop_tex(path):
    with Image.open(path) as im:

        (left, upper, right, lower) = (0, 0, im.width, im.height)

        # Here the image "im" is cropped and assigned to new variable im_crop
        im_crop = im.crop((left, upper, right, lower))

        return im_crop

allfile = GetFileFromThisRootDir(".", "tga")
for each in allfile:
    print(each)

im_combine = Image.new('RGBA', (2048, 2048))
im0 = crop_tex(allfile[0])
im1 = crop_tex(allfile[1])

im0 = Image.composite(im1, im0, im1)


im0.save(allfile[0].split('.')[1].replace('\\','') + "_crop_final.tga")

偏移图像

from PIL import Image
import os


def GetFileFromThisRootDir(dir, ext=None):
    allfiles = []
    needExtFilter = (ext != None)
    for root, dirs, files in os.walk(dir):
        for filespath in files:
            filepath = os.path.join(root, filespath)
            extension = os.path.splitext(filepath)[1][1:]
            if needExtFilter and extension in ext:
                allfiles.append(filepath)
            elif not needExtFilter:
                allfiles.append(filepath)
    return allfiles


# im = Image.open("TxSc_Bio_Forest_Tree_04_d.tga")
# im3 = im.crop(((im.width/2, 0), (3*im.width/4,0), (im.width/2, 1), (3*im.width/4,1)))
# im3.save("1.tga")

def crop_tex(path):
    with Image.open(path) as im:

        # The crop method from the Image module takes four coordinates as input.
        # The right can also be represented as (left+width)
        # and lower can be represented as (upper+height).
        (left, upper, right, lower) = (im.width/2, 0, im.width * 5/8, im.height)

        # Here the image "im" is cropped and assigned to new variable im_crop
        im_crop = im.crop((left, upper, right, lower))

        # im_crop.save(path.split('.')[1].replace('\\','') + "_crop.tga")
        return im_crop

allfile = GetFileFromThisRootDir(".", "tga")
for each in allfile:
    print(each)

im_combine = Image.new('RGBA', (2048, 2048))
im0 = crop_tex(allfile[0])
im1 = crop_tex(allfile[1])
im2 = crop_tex(allfile[2])
im3 = crop_tex(allfile[3])

# im_black = Image.new('RGBA', (2048, 2048), (255, 255, 255))
width = int(2048 / 4)

offset = im0.width

left = 0 + offset
im_combine.paste(im0, (left, 0, left + im0.width, im0.height))
left = left + offset + im0.width
im_combine.paste(im1, (left, 0, left + im0.width, im1.height))
left = left + offset + im0.width
im_combine.paste(im2, (left, 0, left + im0.width, im2.height))
left = left + offset + im0.width
im_combine.paste(im3, (left, 0, left + im0.width, im3.height))


im_combine.save(allfile[0].split('.')[1].replace('\\','') + "_crop_n.tga")

合并操作

三种操作合起来

from PIL import Image
import os

# 需要修改diffuse的文件名为1 2 3 4
def GetFileFromThisRootDir(dir, ext=None):
    allfiles = []
    needExtFilter = (ext != None)
    for root, dirs, files in os.walk(dir):
        for filespath in files:
            filepath = os.path.join(root, filespath)
            extension = os.path.splitext(filepath)[1][1:]
            if needExtFilter and extension in ext:
                allfiles.append(filepath)
            elif not needExtFilter:
                allfiles.append(filepath)
    return allfiles

def crop_tex(path):
    with Image.open(path) as im:

        # The crop method from the Image module takes four coordinates as input.
        # The right can also be represented as (left+width)
        # and lower can be represented as (upper+height).
        (left, upper, right, lower) = (im.width/2, 0, im.width * 5/8, im.height)

        # Here the image "im" is cropped and assigned to new variable im_crop
        im_crop = im.crop((left, upper, right, lower))

        # im_crop.save(path.split('.')[1].replace('\\','') + "_crop.tga")
        return im_crop

allfile = GetFileFromThisRootDir(".", "tga")
for each in allfile:
    print(each)


# diffuse
im_combine1 = Image.new('RGBA', (2048, 2048))
im0 = crop_tex(allfile[0])
im1 = crop_tex(allfile[1])
im2 = crop_tex(allfile[2])
im3 = crop_tex(allfile[3])

width = int(2048 / 4)

offset = im0.width

left = 0
im_combine1.paste(im0, (left, 0, left + im0.width, im0.height))
left = left + offset + im0.width
im_combine1.paste(im1, (left, 0, left + im0.width, im1.height))
left = left + offset + im0.width
im_combine1.paste(im2, (left, 0, left + im0.width, im2.height))
left = left + offset + im0.width
im_combine1.paste(im3, (left, 0, left + im0.width, im3.height))

# normal
im_combine2 = Image.new('RGBA', (2048, 2048))
im0 = crop_tex(allfile[4])
im1 = crop_tex(allfile[5])
im2 = crop_tex(allfile[6])
im3 = crop_tex(allfile[7])

left = 0 + offset

im_combine2.paste(im0, (left, 0, left + im0.width, im0.height))
left = left + offset + im0.width
im_combine2.paste(im1, (left, 0, left + im0.width, im1.height))
left = left + offset + im0.width
im_combine2.paste(im2, (left, 0, left + im0.width, im2.height))
left = left + offset + im0.width
im_combine2.paste(im3, (left, 0, left + im0.width, im3.height))


# blend
im_combine1 = Image.composite(im_combine1, im_combine2, im_combine1)

im_combine1.save(allfile[0].split('.')[1].replace('\\','') + "_crop_final.tga")