Peter Otten wrote:
W. eWatson wrote:
r wrote:
Change this line:
draw.line((0,0),(20,140), fill=128)
To This:
draw.line((0,0, 20,140), fill=128)
And you should be good to go. Like you said, if you need to combine 2
tuples you can do:
(1,2)+(3,4)
Yes, that's true, but the big question is how to "see" the final image?
Either one employees another module or writes the file into a folder, then
displays it with a paint program?
For debugging purposes you can just invoke the show() method
im = Image.open(...)
# modify image
im.show()
If you want to integrate the image into your own Tkinter program -- that is
explained here:
http://effbot.org/tkinterbook/photoimage.htm
Following these instruction you code might become
import Tkinter as tk
import Image
import ImageTk
import ImageDraw
import sys
filename = sys.argv[1]
im = Image.open(filename)
draw = ImageDraw.Draw(im)
draw.line((0, 0) + im.size, fill=128)
draw.line(((0,0),(20,140)), fill=128)
root = tk.Tk()
pi = ImageTk.PhotoImage(im)
label = tk.Label(root, image=pi)
label.pack()
root.mainloop()
Peter
My initial quest was to do it in PIL. That seems impossible, and the way out
is Tkinter. I'm not yet savvy enough with Pythons graphics. I was definitely
leaning towards PhotoImage as the way out. What module is show in?
Repairing my (0,0), ... to (0,0)+, and. replacing arg with ImageOPen,
produces a correct solution.
My NM Tech pdf misses the boat on PhotoImage. I've seen your reference
before, but never looked at PhotoImage. I'll bookmark it. I sure wish it was
in pdf format.
Thanks.
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W. eWatson
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