python Python小工具合集

Posted 2021-05-09

# 修改图片背景

from PIL import Image
im = Image.open('sdf.png') 
x,y = im.size 
try: 
    # 使用白色来填充背景 from：www.outofmemory.cn
    # (alpha band as paste mask). 
    p = Image.new('RGBA', im.size, (255,255,255)) 
    p.paste(im, (0, 0, x, y), im) 
    p.save('sdf.png') 
except: 
    pass 
from PIL import Image
import os, time
 
timer1 = os.stat(r"C:\Users\dell\Downloads\sdf.png").st_mtime
 
while True:
    time.sleep(0.5)
    timer2 = os.stat(r"C:\Users\dell\Downloads\sdf.png").st_mtime
 
    if timer1 == timer2:
        pass
    else:
        im = Image.open('sdf.png') 
        x,y = im.size 
        try: 
            p = Image.new('RGBA', im.size, (255,255,255)) 
            p.paste(im, (0, 0, x, y), im) 
            p.save('sdf.png') 
        except: 
            pass
    timer1 = timer2

from PIL import Image, ImageChops, ImageGrab

def trim(im):
    bg = Image.new(im.mode, im.size, im.getpixel((0,0)))
    diff = ImageChops.difference(im, bg)
    diff = ImageChops.add(diff, diff, 2.0, -100)
    bbox = diff.getbbox()
    if bbox:
        return im.crop(bbox)

# im = Image.open("sssddd.png")
im = ImageGrab.grabclipboard()  # 从剪贴板中获取图片
im = trim(im)
im.show()