| """Draw on top of an image""" | |
| from tkinter import * | |
| import sys | |
| def main(): | |
| filename = sys.argv[1] | |
| root = Tk() | |
| img = PhotoImage(file=filename) | |
| w, h = img.width(), img.height() | |
| canv = Canvas(root, width=w, height=h) | |
| canv.create_image(0, 0, anchor=NW, image=img) | |
| canv.pack() | |
| canv.bind('<Button-1>', blob) | |
| root.mainloop() | |
| def blob(event): | |
| x, y = event.x, event.y | |
| canv = event.widget | |
| r = 5 | |
| canv.create_oval(x-r, y-r, x+r, y+r, fill='red', outline="") | |
| main() |