tkinter example paintInCanvas (snippet)

Python tkinter (gui) example 'paintInCanvas'

Functions in program:

• def paint(event):

paintInCanvas

Python tkinter example: paintInCanvas

from tkinter import *

canvas_width = 500
canvas_height = 150


def paint(event):
    python_green = "#476042"
    x1, y1 = (event.x - 1), (event.y - 1)
    x2, y2 = (event.x + 1), (event.y + 1)
    w.create_oval(x1, y1, x2, y2, fill=python_green)


master = Tk()
master.title("Painting using Ovals")
w = Canvas(master,
           width=canvas_width,
           height=canvas_height)
w.pack(expand=YES, fill=BOTH)
w.bind("<B1-Motion>", paint)

message = Label(master, text="Press and Drag the mouse to draw")
message.pack(side=BOTTOM)

mainloop()

Useful links

• Learn Tkinter: https://pythonbasics.org/tkinter/
• Wikipedia tkinter: https://en.wikipedia.org/wiki/Tkinter