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| 1 | """Draw on top of an image"""
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| 2 |
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| 3 | from Tkinter import *
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| 4 | import sys
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| 5 |
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| 6 | def main():
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| 7 | filename = sys.argv[1]
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| 8 | root = Tk()
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| 9 | img = PhotoImage(file=filename)
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| 10 | w, h = img.width(), img.height()
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| 11 | canv = Canvas(root, width=w, height=h)
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| 12 | canv.create_image(0, 0, anchor=NW, image=img)
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| 13 | canv.pack()
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| 14 | canv.bind('<Button-1>', blob)
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| 15 | root.mainloop()
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| 16 |
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| 17 | def blob(event):
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| 18 | x, y = event.x, event.y
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| 19 | canv = event.widget
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| 20 | r = 5
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| 21 | canv.create_oval(x-r, y-r, x+r, y+r, fill='red', outline="")
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| 22 |
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| 23 | main()
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