if __name__ == '__main__':
painting_options = PaintingOptions()
tool_controller = ToolController(None, None, painting_options)
canvas_controller = CanvasController(None, painting_options,
tool_controller)
root = Window(None, None, canvas_controller)
root.title('Paint')
root.minsize(800, 670)
toolbar = Toolbar(painting_options)
image = Image(painting_options)
image.bind("<B1-Motion>", canvas_controller.on_mouse_drag)
image.bind("<1>", canvas_controller.on_mouse_down)
image.bind("<Motion>", canvas_controller.on_mouse_move)
image.bind("<B1-ButtonRelease>", canvas_controller.on_mouse_up)
toolbar.eraser_button.configure(command=tool_controller.on_toggle_eraser)
toolbar.color_picker_button.configure(
command=tool_controller.on_change_color_click)
toolbar.brush_width_button.configure(
command=tool_controller.on_change_brush_width_click)
toolbar.canvas_color_picker_button.configure(
command=tool_controller.on_canvas_color_picker_click)
toolbar.save_as_button.configure(
command=tool_controller.on_save_as_button_click)
toolbar.blur_button.configure(command=tool_controller.on_blur_button_click)
toolbar.color_invert_button.configure(
