为图片添加Logo
使用PIL为图片添加Logo，主要使用Image的paste函数。paste函数可以向图片中粘贴其他的图片。代码实例如下，使用PIL模块为图片批量添加Logo
# _*_ coding: utf-8 -*-
# version 2.7.13
# osx
import os
from PIL import Image
import Tkinter
import tkFileDialog
import tkMessageBox
class Window:
def __init__(self):
self.root = root = Tkinter.Tk()
self.Image = Tkinter.StringVar()
self.status = Tkinter.StringVar()
self.mstatus = Tkinter.IntVar()
self.fstatus = Tkinter.IntVar()
self.pstatus = Tkinter.IntVar()
self.Image.set('bmp')
self.mstatus.set(0)
self.fstatus.set(0)
self.pstatus.set(0)
label = Tkinter.Label(root, text='Logo')
label.place(x=5, y=5)
self.entryLogo = Tkinter.Entry(root)
self.entryLogo.place(x=55, y=5)
self.buttonBrowserLogo = Tkinter.Button(
root, text='浏览', command=self.BrowserLogo)
self.buttonBrowserLogo.place(x=200, y=5)
self.checkM = Tkinter.Checkbutton(root, text='批量转换',
command=self.OnCheckM,
variable=self.mstatus,
onvalue=1,
offvalue=0)
self.checkM.place(x=5, y=30)
label = Tkinter.Label(root, text='选择文件')
label.place(x=5, y=55)
self.entryFile = Tkinter.Entry(root)
self.entryFile.place(x=55, y=55)
self.buttonBrowserFile = Tkinter.Button(root, text='浏览',
command=self.BrowserFile)
self.buttonBrowserFile.place(x=200, y=55)
label = Tkinter.Label(root, text='选择目录')
label.place(x=5, y=80)
self.entryDir = Tkinter.Entry(root, state=Tkinter.DISABLED)
self.entryDir.place(x=55, y=80)
self.buttonBrowserDir = Tkinter.Button(root, text='浏览',
command=self.BrowserDir,
state=Tkinter.DISABLED)
self.buttonBrowserDir.place(x=200, y=80)
self.checkF = Tkinter.Checkbutton(root, text='改变文件格式',
command=self.OnCheckF,
variable=self.fstatus,
onvalue=1,
offvalue=0)
self.checkF.place(x=5, y=110)
frame = Tkinter.Frame(root)
frame.place(x=10, y=130)
labelTo = Tkinter.Label(frame, text='格式')
labelTo.pack(anchor='w')
self.rBmp = Tkinter.Radiobutton(frame, variable=self.Image,
value='bmp',
text='BMP',
state=Tkinter.DISABLED)
self.rBmp.pack(anchor='w')
self.rJpg = Tkinter.Radiobutton(frame, variable=self.Image,
value='jpg',
text='JPG',
state=Tkinter.DISABLED)
self.rJpg.pack(anchor='w')
self.rGif = Tkinter.Radiobutton(frame, variable=self.Image,
value='gif',
text='GIF',
state=Tkinter.DISABLED)
self.rGif.pack(anchor='w')
self.rPng = Tkinter.Radiobutton(frame, variable=self.Image,
value='png',
text='PNG',
state=Tkinter.DISABLED)
self.rPng.pack(anchor='w')
pframe = Tkinter.Frame(root)
pframe.place(x=70, y=130)
labelPos = Tkinter.Label(pframe, text='位置')
labelPos.pack(anchor='w')
self.rLT = Tkinter.Radiobutton(
pframe, variable=self.pstatus, value=0, text='左上角')
self.rLT.pack(anchor='w')
self.rRT = Tkinter.Radiobutton(
pframe, variable=self.pstatus, value=1, text='右上角')
self.rRT.pack(anchor='w')
self.rLB = Tkinter.Radiobutton(
pframe, variable=self.pstatus, value=2, text='左下角')
self.rLB.pack(anchor='w')
self.rRB = Tkinter.Radiobutton(
pframe, variable=self.pstatus, value=3, text='左上角')
self.rRB.pack(anchor='w')
self.buttonAdd = Tkinter.Button(root, text='添加', command=self.Add)
self.buttonAdd.place(x=180, y=175)
self.labelStatus = Tkinter.Label(root, textvariable=self.status)
self.labelStatus.place(x=150, y=205)
def MainLoop(self): # 进入消息循环
self.root.minsize(250, 250)
self.root.maxsize(250, 250)
self.root.mainloop()
def BrowserLogo(self):
file = tkFileDialog.askopenfilename(title='Python Music Player', filetypes=[(
'JPG', '*.jpg'), ('BMP', '*.bmp'), ('PNG', '*.png'), ('GIF', '*.gif')])
if file:
self.entryLogo.delete(0, Tkinter.END)
self.entryLogo.insert(Tkinter.END, file)
def BrowserDir(self):
directory = tkFileDialog.askdirectory(title='Python')
if directory:
self.entryDir.delete(0, Tkinter.END)
self.entryDir.insert(Tkinter.END, directory)
def BrowserFile(self):
file = tkFileDialog.askopenfilename(title='Python Music Player', filetypes=[(
'JPG', '*.jpg'), ('BMP', '*.bmp'), ('PNG', '*.png'), ('GIF', '*.gif')])
if file:
self.entryFile.delete(0, Tkinter.END)
self.entryFile.insert(Tkinter.END, file)
def OnCheckM(self): # 设置组件状态
if not self.mstatus.get():
self.entryDir.config(state=Tkinter.DISABLED)
self.entryFile.config(state=Tkinter.NORMAL)
self.buttonBrowserDir.config(state=Tkinter.DISABLED)
self.buttonBrowserFile.config(state=Tkinter.NORMAL)
else:
self.entryDir.config(state=Tkinter.NORMAL)
self.entryFile.config(state=Tkinter.DISABLED)
self.buttonBrowserDir.config(state=Tkinter.NORMAL)
self.buttonBrowserFile.config(state=Tkinter.DISABLED)
def OnCheckF(self): # 设置组件状态
if not self.fstatus.get():
self.rBmp.config(state=Tkinter.DISABLED)
self.rJpg.config(state=Tkinter.DISABLED)
self.rGif.config(state=Tkinter.DISABLED)
self.rPng.config(state=Tkinter.DISABLED)
else:
self.rBmp.config(state=Tkinter.NORMAL)
self.rJpg.config(state=Tkinter.NORMAL)
self.rGif.config(state=Tkinter.NORMAL)
self.rPng.config(state=Tkinter.NORMAL)
def Add(self):
n = 0
if self.mstatus.get():
path = self.entryDir.get()
if path == '':
tkMessageBox.showerror('Python Tkinter', '请输入路径')
return
filenames = os.listdir()
if self.fstatus.get():
f = self.Image.get()
for filename in filenames:
if filename[-3:] in ('bmp', 'jpg', 'gif', 'png'):
self.addlogo(path + '/' + filename, f)
n = n + 1
else:
for filename in filenames:
if filename[-3:] in ('bmp', 'jpg', 'gif', 'png'):
self.addlogo(path + '/' + filename)
n = n + 1
else:
file = self.entryFile.get()
if file == '':
tkMessageBox.showerror('Python Tkinter', '请选择文件')
return
if self.fstatus.get():
f = self.Image.get()
self.addlogo(file, f)
n = n + 1
else:
self.addlogo(file)
n = n + 1
self.status.set('成功添加%d图片' % n)
def addlogo(self, file, format=None):
logo = self.entryLogo.get()
if logo == '':
tkMessageBox.showerror('Python Tkinter', '请选择logo')
im = Image.open(file)
lo = Image.open(logo)
imwidth, imheight = im.size
lowidth, loheight = lo.size
pos = self.pstatus.get()
if pos == 0:
left = 0
top = 0
right = lowidth
bottom = loheight
elif pos == 1:
left = imwidth - lowidth
top = 0
right = imwidth
bottom = loheight
elif pos == 2:
left = 0
top = imheight - loheight
right = lowidth
bottom = imheight
else:
left = imwidth - lowidth
top = imheight - loheight
right = imwidth
bottom = imheight
im.paste(lo, (left, top, right, bottom))
if format:
im.save(file[:len(file)-4] + '_logo.' + format)
else:
im.save(file[:len(file)-4] + '_logo' + file[-4:])
window = Window()
window.MainLoop()
运行后效果如下
