draw

from tkinter import *
from PIL import Image, ImageDraw
from tkinter import colorchooser
from tkinter.colorchooser import askcolor


line_id = None
line_points = []
#line_options = {}


def use_line():
    line_button.config(relief="sunken") # Кнопка зажата
  #  erase_button.config(relief="raised")
    hand_button.config(relief="raised")
    root.config(cursor='plus')
    canvas.bind('<B1-Motion>', create_line)
    canvas.bind('<ButtonPress-1>', on_start)
    canvas.bind('<ButtonRelease-1>', reset)


def on_start(event):
    global drawn, x1, y1
    drawn = None
    x1 = event.x
    y1 = event.y


def reset(event):
    global x, y
    x = 0
    y = 0


def create_line(event):
    global drawn
    if drawn:
        canvas.delete(drawn)
    objectid = canvas.create_line(x1, y1, event.x, event.y, fill=color, width=brush_size)
    drawn = objectid

def bg_color():
    c = askcolor()
    bg_col = c[1]
    canvas.configure(bg=bg_col)


def hand_line():
    root.config(cursor='arrow')
    hand_button.config(relief="sunken")
   # erase_button.config(relief="raised")
    line_button.config(relief="raised")
    canvas.bind('<B1-Motion>', draw_line)
    canvas.bind('<ButtonRelease-1>', end_line)
    canvas.bind('<Button-1>', set_start)


def choose_color():
    global color
    (rgb, hx) = colorchooser.askcolor()
    color = hx
    color_lab['bg'] = hx


def draw_line(event):
    global line_id
    line_points.extend((event.x, event.y))
    if line_id is not None:
        canvas.delete(line_id)
    line_id = canvas.create_line(line_points, width=brush_size, fill=color, capstyle=ROUND)


#def erase():  # Ластик берёт цвет фона
 #   erase_button.config(relief="sunken")
  #  hand_button.config(relief="raised")
   # line_button.config(relief="raised")
   # global color
   # prev_col = color
   # color = canvas['bg']
   # hand_line()
   # root.config(cursor='arrow')


def set_start(event):
    line_points.extend((event.x, event.y))


def end_line(event=None):
    global line_id
    line_points.clear()
    line_id = None


def select(value):
    global brush_size
    brush_size = int(value)


def clear_canvas():
    canvas.delete('all')
    canvas['bg'] = 'white'
    draw_img.rectangle((0,  0, 1280, 720), width=0, fill='white')


x = 0
y = 0

root = Tk()
root.title("Рисовалка")
root.geometry('1280x720')

brush_size = 10
color = 'black'


root.columnconfigure(5, weight=1)

root.rowconfigure(2, weight=1)

canvas = Canvas(root, bg='white')
canvas.grid(row=2, column=0, columnspan=7, padx=5, pady=5, sticky="news")


image1 = Image.new('RGB', (1280, 640), 'white')
draw_img = ImageDraw.Draw(image1)

Button(root, text='Выбрать цвет', width=11, command=choose_color).grid(row=0, column=0, padx=5)

color_lab = Label(root, bg=color, width=5)
color_lab.grid(row=0, column=1)

v = IntVar(value=10)
Scale(root, variable=v, from_=1, to=100, orient=HORIZONTAL, command=select).grid(row=0, column=2, padx=50)


#erase_button = Button(root, text='Ластик', width=10, command=erase)
#erase_button.grid(row=1, column=7)


hand_button = Button(root, text='Кисть', width=10, command=hand_line)
hand_button.grid(row=0, column=3, padx=5)

line_button = Button(root, text='Линия', width=10, command=use_line)
line_button.grid(row=0, column=4)

clear_button = Button(root, text='Очистить', width=10, command=clear_canvas)
clear_button.grid(row=0, column=5, sticky="e")

bg_button = Button(root, text='Залить фон', width=10, command=bg_color)
bg_button.grid(row=0, column=6, padx=5)


hand_line()
root.mainloop()