rectangle in tkinter
from tkinter import *
root = Tk()
c = Canvas(root)
c.pack()
c.create_rectangle(100, 100, 200, 200)
root.mainloop()rectangle in tkinter
from tkinter import *
root = Tk()
c = Canvas(root)
c.pack()
c.create_rectangle(100, 100, 200, 200)
root.mainloop()draw box with mouse on image in canvas tkinter
import PIL.Image
import Image
import ImageTk
from Tkinter import *
class ExampleApp(Frame):
def __init__(self,master):
Frame.__init__(self,master=None)
self.x = self.y = 0
self.canvas = Canvas(self, cursor="cross")
self.sbarv=Scrollbar(self,orient=VERTICAL)
self.sbarh=Scrollbar(self,orient=HORIZONTAL)
self.sbarv.config(command=self.canvas.yview)
self.sbarh.config(command=self.canvas.xview)
self.canvas.config(yscrollcommand=self.sbarv.set)
self.canvas.config(xscrollcommand=self.sbarh.set)
self.canvas.grid(row=0,column=0,sticky=N+S+E+W)
self.sbarv.grid(row=0,column=1,stick=N+S)
self.sbarh.grid(row=1,column=0,sticky=E+W)
self.canvas.bind("<ButtonPress-1>", self.on_button_press)
self.canvas.bind("<B1-Motion>", self.on_move_press)
self.canvas.bind("<ButtonRelease-1>", self.on_button_release)
self.rect = None
self.start_x = None
self.start_y = None
self.im = PIL.Image.open("logo.png")
self.wazil,self.lard=self.im.size
self.canvas.config(scrollregion=(0,0,self.wazil,self.lard))
self.tk_im = ImageTk.PhotoImage(self.im)
self.canvas.create_image(0,0,anchor="nw",image=self.tk_im)
def on_button_press(self, event):
# save mouse drag start position
self.start_x = self.canvas.canvasx(event.x)
self.start_y = self.canvas.canvasy(event.y)
# create rectangle if not yet exist
if not self.rect:
self.rect = self.canvas.create_rectangle(self.x, self.y, 1, 1, outline='red')
def on_move_press(self, event):
curX = self.canvas.canvasx(event.x)
curY = self.canvas.canvasy(event.y)
w, h = self.canvas.winfo_width(), self.canvas.winfo_height()
if event.x > 0.9*w:
self.canvas.xview_scroll(1, 'units')
elif event.x < 0.1*w:
self.canvas.xview_scroll(-1, 'units')
if event.y > 0.9*h:
self.canvas.yview_scroll(1, 'units')
elif event.y < 0.1*h:
self.canvas.yview_scroll(-1, 'units')
# expand rectangle as you drag the mouse
self.canvas.coords(self.rect, self.start_x, self.start_y, curX, curY)
def on_button_release(self, event):
pass
if __name__ == "__main__":
root=Tk()
app = ExampleApp(root)
app.pack()
root.mainloop()Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
