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def reset(event):
global old_x, old_y
old_x = old_y = None
def undo_action():
if canvas_actions:
canvas.delete(canvas_actions.pop())
def save_canvas():
filename = asksaveasfilename(defaultextension='.png', filetypes=[('PNG files', '*.png'), ('All files', '*.*')])
if filename:
x, y = canvas.winfo_rootx(), canvas.winfo_rooty()
x1, y1 = x + canvas.winfo_width(), y + canvas.winfo_height()
ImageGrab.grab().crop((x, y, x1, y1)).save(filename)
def open_image():
filename = askopenfilename(filetypes=[('Image files', '*.png;*.jpg;*.jpeg'), ('All files', '*.*')])
if filename:
img = Image.open(filename)
img.thumbnail((canvas.winfo_width(), canvas.winfo_height()))
img_tk = ImageTk.PhotoImage(img)
canvas.create_image(0, 0, anchor=tk.NW, image=img_tk)
canvas.image = img_tk # Avoid garbage collection
def exit_app():
if messagebox.askokcancel("Quit", "Do you want to exit?"):
window.quit()
def add_tooltips(widget, text):
tooltip = tk.Toplevel(window, bg='yellow', padx=5, pady=3)
tooltip.withdraw()
label = tk.Label(tooltip, text=text, bg='yellow')
label.pack()
def show_tooltip(event):
tooltip.geometry(f"+{event.x_root + 10}+{event.y_root + 10}")
tooltip.deiconify()
def hide_tooltip(_):
tooltip.withdraw()
widget.bind("<Enter>", show_tooltip)
widget.bind("<Leave>", hide_tooltip)
window = tk.Tk()
window.title('Paint Application')
window.geometry('800x600')
menu_bar = tk.Menu(window)
file_menu = tk.Menu(menu_bar, tearoff=0)
menu_bar.add_cascade(label="File", menu=file_menu)
file_menu.add_command(label="Save", command=save_canvas)
file_menu.add_command(label="Open", command=open_image)
file_menu.add_separator()
file_menu.add_command(label="Exit", command=exit_app)
window.config(menu=menu_bar)
toolbar = tk.Frame(window, relief=tk.RIDGE, borderwidth=2)
toolbar.pack(side=tk.LEFT, fill=tk.Y)
pen_button = tk.Button(toolbar, text="Pen", command=use_pen)
pen_button.pack(pady=5)
brush_button = tk.Button(toolbar, text="Brush", command=use_brush)
brush_button.pack(pady=5)
eraser_button = tk.Button(toolbar, text="Eraser", command=use_eraser)
eraser_button.pack(pady=5)
color_button = tk.Button(toolbar, text="Color", command=choose_color)
color_button.pack(pady=5)
undo_button = tk.Button(toolbar, text="Undo", command=undo_action)
undo_button.pack(pady=5)
pen_size_label = tk.Label(toolbar, text="Pen Size")
pen_size_label.pack(pady=5)
choose_size_button = tk.Scale(toolbar, from_=1, to=10, orient=tk.VERTICAL)
choose_size_button.pack()
canvas = tk.Canvas(window, bg='white')
canvas.pack(fill=tk.BOTH, expand=True)
add_tooltips(pen_button, "Use the pen tool (P)")
add_tooltips(brush_button, "Use the brush tool (B)")
add_tooltips(eraser_button, "Use the eraser tool (E)")
add_tooltips(color_button, "Select a color")
add_tooltips(undo_button, "Undo the last action (Ctrl+Z)")
window.bind('<Control-z>', lambda _: undo_action())
window.bind('<p>', lambda _: use_pen())
window.bind('<b>', lambda _: use_brush())
window.bind('<e>', lambda _: use_eraser())
setup(canvas, choose_size_button)
window.mainloop()
window.mainloop()
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Nhà sáng tạo Đặng Thái Triềuwordpress
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