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

[Edward Cannon]

Add the line
from Tkinter import



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