[Image-SIG] Creating a Transparent Image and Placing it Over Another Image (txt)

[Fredrik Lundh]

On Wed, Apr 8, 2009 at 5:55 PM, Edward Cannon <cannon.el at gmail.com> wrote:
> Add the line
> from Tkinter import

Lost an asterisk there, I think:

   from Tkinter import *

</F>

>
>
>
> On Apr 7, 2009, at 10:21 PM, Wayne Watson <sierra_mtnview at sbcglobal.net>
> wrote:
>
>> This looks good, but there's a slight problem. It looks right, but I get
>> this when I try to run it:
>> Traceback (most recent call last):
>> File
>> "C:/Sandia_Meteors/Sentinel_Development/Development_Sentuser-Utilities/Playground/fun-move_object.py",
>> line 42, in <module>
>>  root=Tk()
>> NameError: name 'Tk' is not defined
>>
>> Howard Lightstone wrote:
>>>
>>> Here is a *dumb* example of what I think you want.  It can be elaborated
>>> with crosshairs, ring sizing, etc.
>>>
>>> import PIL
>>> import Image
>>> import ImageTk
>>>
>>> class data:
>>>   startx=0
>>>   starty=0
>>>
>>> def startmotioncallback(event):
>>>   data.startx=event.x
>>>   data.starty=event.y
>>>
>>>   def motioncallback(event):
>>>   deltax=event.x-data.startx
>>>   deltay=event.y-data.starty
>>>   data.startx=event.x
>>>   data.starty=event.y
>>>   # should put some limits on where the cirle is moved
>>>   # left as exercise.....
>>>   data.cnv.move(data.ring,deltax,deltay)
>>>   def Demo(root):
>>>   # resize window
>>>   root.geometry('400x400+0+0')
>>>   data.root=root
>>>   # make a canvas
>>>   cnv=Canvas(root)
>>>   cnv.pack(expand=1,fill=BOTH)
>>>   data.cnv=cnv
>>>   img=Image.open('white dragon.png')  # some image you have.....
>>>   data.img=ImageTk.PhotoImage(img)
>>>   data.photo=cnv.create_image(0,0,image=data.img,anchor='nw')
>>>   data.ring=cnv.create_oval((100,100,300,300))
>>>   cnv.bind("<B1-Motion>",motioncallback)
>>>   cnv.bind("<Button-1>",startmotioncallback)
>>>   root.mainloop()
>>>
>>> if __name__ == '__main__':
>>>
>>>   root=Tk()
>>>   Demo(root)
>>> _______________________________________________
>>> Image-SIG maillist  -  Image-SIG at python.org
>>> http://mail.python.org/mailman/listinfo/image-sig
>>>
>>>
>>
>> --
>>
>>         Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
>>
>>           (121.01 Deg. W, 39.26 Deg. N) GMT-8 hr std. time)****
>>
>>        "Less than all cannot satisfy Man." -- William Blake
>>
>>
>> _______________________________________________
>> Image-SIG maillist  -  Image-SIG at python.org
>> http://mail.python.org/mailman/listinfo/image-sig
>
> _______________________________________________
> Image-SIG maillist  -  Image-SIG at python.org
> http://mail.python.org/mailman/listinfo/image-sig
>