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Diffstat (limited to 'Demo/tkinter/guido/paint.py')
| -rw-r--r-- | Demo/tkinter/guido/paint.py | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/Demo/tkinter/guido/paint.py b/Demo/tkinter/guido/paint.py deleted file mode 100644 index 65f2353..0000000 --- a/Demo/tkinter/guido/paint.py +++ /dev/null @@ -1,60 +0,0 @@ -""""Paint program by Dave Michell. - -Subject: tkinter "paint" example -From: Dave Mitchell <davem@magnet.com> -To: python-list@cwi.nl -Date: Fri, 23 Jan 1998 12:18:05 -0500 (EST) - - Not too long ago (last week maybe?) someone posted a request -for an example of a paint program using Tkinter. Try as I might -I can't seem to find it in the archive, so i'll just post mine -here and hope that the person who requested it sees this! - - All this does is put up a canvas and draw a smooth black line -whenever you have the mouse button down, but hopefully it will -be enough to start with.. It would be easy enough to add some -options like other shapes or colors... - - yours, - dave mitchell - davem@magnet.com -""" - -from tkinter import * - -"""paint.py: not exactly a paint program.. just a smooth line drawing demo.""" - -b1 = "up" -xold, yold = None, None - -def main(): - root = Tk() - drawing_area = Canvas(root) - drawing_area.pack() - drawing_area.bind("<Motion>", motion) - drawing_area.bind("<ButtonPress-1>", b1down) - drawing_area.bind("<ButtonRelease-1>", b1up) - root.mainloop() - -def b1down(event): - global b1 - b1 = "down" # you only want to draw when the button is down - # because "Motion" events happen -all the time- - -def b1up(event): - global b1, xold, yold - b1 = "up" - xold = None # reset the line when you let go of the button - yold = None - -def motion(event): - if b1 == "down": - global xold, yold - if xold is not None and yold is not None: - event.widget.create_line(xold,yold,event.x,event.y,smooth=TRUE) - # here's where you draw it. smooth. neat. - xold = event.x - yold = event.y - -if __name__ == "__main__": - main() |