我只是想知道,在python的tkinter中,有没有什么方法可以用鼠标来调整图片的大小/重新缩放图片(类似于在google docs中重新缩放图片的方式)?到目前为止,我的代码如下:
def addImage(self, docx):
filename = filedialog.askopenfile(title="Select a file")
myImage = ImageTk.PhotoImage(Image.open(filename.name))
position = docx.index(INSERT)
docx.image_create(position, image=myImage)
docx.photo = myImage
# here I want to be able to resize the image I have put in my document with the mouse
提前感谢
发布于 2021-02-08 06:42:55
我已经试过了
from tkinter import *
from PIL import Image,ImageTk
class Resizable:
def __init__(self,label,image):
self.label=label
self.image=image
self.label.master.bind('<Motion>',self.position)
self.flag=False
def position(self,event):
self.dimentions=(self.label.winfo_width(),self.label.winfo_height())
self.x,self.y = event.x,event.y
if (
self.x in range (self.dimentions[0]-5,self.dimentions[0],1) and
self.y in range (self.dimentions[1]-5,self.dimentions[1],1)
):
self.label.config(cursor='sizing')
self.label.master.bind('<ButtonRelease-1>',self.end)
self.label.bind('<Button-1>',self.start)
else:
self.label.config(cursor='')
self.label.unbind('<Button-1>')
def end(self,event):
self.flag=True
self.label.master.unbind('<ButtonRelease-1>')
def start(self,event):
self.flag=False
self.resize()
def resize(self):
if not self.flag:
self.label.config(cursor='sizing')
try:
self.photoimage=ImageTk.PhotoImage(self.image.resize((self.x,self.y),Image.ANTIALIAS))
except:
pass
self.label.config(image=self.photoimage)
self.label.update()
self.label.after(1,self.resize)
root=Tk()
root.geometry('400x300')
img_label=Label(bd=0)
img_label.pack()
image=Image.open('sample.png')
photoimage=ImageTk.PhotoImage(image.resize((100,100),Image.ANTIALIAS))
img_label.config(image=photoimage)
Resizable(img_label,image)
root.mainloop()
我相信你有一种不同的方式来插入你的图像,但你可以根据你的需要修改和改进这种方法。
https://stackoverflow.com/questions/66092803
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