escritor tactil con Canvas en pycharm

       


from Tkinter import *

canvas_width = 500
canvas_height = 150

def paint(event):
    x1, y1 = (event.x - 1), (event.y - 1)
    x2, y2 = (event.x + 1), (event.y + 1)
    panel.create_oval(x1, y1, x2, y2, fill='black')

def borrartodo():
    panel.delete('all')

master=Tk()
master.title('pintar con el mouese')

panel = Canvas(master, width=canvas_width, height=canvas_height)
panel.pack(expand= YES,fill=BOTH)
panel.bind("", paint)
mensaje = Label(master, text="Presione o arrastre el mouse para dibujar")
mensaje.pack(side=BOTTOM)
boton= Button(master,text="Borrar imagen", command=borrartodo)
boton.pack(side=BOTTOM)

master.mainloop()