def ex64():
canvas = Canvas(width=400, height=600, bg='white')
left, right, top, num = 20, 50, 50, 15
for i in range(num):
canvas.create_oval(250 - right, 250 - left, 250 + right, 250 + left)
canvas.create_oval(250 - 20, 250 - top, 250 + 20, 250 + top)
canvas.create_rectangle(20 - 2 * i, 20 - 2 * i, 10 * (i + 2), 10 * (i + 2))
right += 5
left += 5
top += 10
canvas.pack()
mainloop()
def start():
window = Tk()
window.title("SYSC 3310 Final Project: State toggling")
window.geometry('325x150')
# Creates the buttons
backwards = Button(window,
text="Move Backwards",
command=lambda: sendCommand('1'))
forwards = Button(window,
text="Move Forwards",
command=lambda: sendCommand('2'))
reset = Button(window,
text="Reset Board",
command=lambda: sendCommand('0'))
backwards.grid(column=0, row=0, padx=5, pady=2)
forwards.grid(column=1, row=0, padx=5, pady=2)
reset.grid(column=2, row=0, padx=5, pady=2)
# Creates the boxes to display the current state
global lbl
lbl = Label(window, text="Just initialized")
currState = Label(window, text="Current State: ")
lbl.grid(column=1, row=1)
currState.grid(column=0, row=1)
# Creates the canvas, rectangle used for the UI display
global canvas
canvas = Canvas(window)
canvas = Canvas(width=75, height=100)
canvas.grid(column=0, row=4)
global rectangle1
global rectangle2
rectangle1 = canvas.create_rectangle(5, 25, 25, 45, fill='black')
rectangle2 = canvas.create_rectangle(30, 25, 50, 45, fill='black')
canvas.create_text(15, 10, fill="black", font="Times 8 bold", text="P1.0")
canvas.create_text(40, 10, fill="black", font="Times 8 bold", text="P2.0")
# Sets up the receive thread
receiveThread = threading.Thread(target=receiveState)
receiveThread.daemon = True
receiveThread.start()
# Returns the board to its base state (state 1)
# Optional
sendCommand(INITIAL_STATE)
window.mainloop()
def ex58():
root = Tk()
root.title('Canvas')
canvas = Canvas(root, width=400, height=400, bg='yellow')
x0 = y0 = 263
x1 = y1 = 275
for i in range(19):
canvas.create_rectangle(x0, y0, x1, y1)
x0 -= 5
y0 -= 5
x1 += 5
y1 += 5
canvas.pack()
mainloop()