python canvas画布

image.png

"demo all basic canvas interfaces"

from tkinter import *

canvas = Canvas(width=525, height=300, bg='white') # 0,0 is top left corner canvas.pack(expand=YES, fill=BOTH) # increases down, right

canvas.create_line(100, 100, 200, 200) # fromX, fromY, toX, toY canvas.create_line(100, 200, 200, 300) # draw shapes for i in range(1, 20, 2): canvas.create_line(0, i, 50, i)

canvas.create_oval(10, 10, 200, 200, width=2, fill='blue') canvas.create_arc(200, 200, 300, 100) canvas.create_rectangle(200, 200, 300, 300, width=5, fill='red') canvas.create_line(0, 300, 150, 150, width=10, fill='green')

photo=PhotoImage(file='../gifs/ora-lp4e.gif') canvas.create_image(325, 25, image=photo, anchor=NW) # embed a photo

widget = Label(canvas, text='Spam', fg='white', bg='black') widget.pack() canvas.create_window(100, 100, window=widget) # embed a widget canvas.create_text(100, 280, text='Ham') # draw some text mainloop()