In article ,
tjre...@udel.edu says...
[snip]
> > I made my 'root' Tk instance global, and
> > call root.update_idletasks() after the
> > .put
> I did not see the original post, but the alternative way to animate is
> to use root.after(milliseconds, callback, *args) at the end of callbacks
> t
On 10/21/2015 1:50 AM, Randy Day wrote:
When I read your post, I realized I'm doing
a crude animation. After a bit of searching
on 'python canvas animation', I found a
reference to how it's done:
I made my 'root' Tk instance global, and
call root.update_idletasks() after the
.put
I did not se
In article ,
em...@fenx.com says...
[snip]
> I have no idea why, but here are some ideas I'd try out.
> So is it refreshing upon completion of the loop, or upon exit from
> process()?
It turns out I need to call root.update_idletasks()
for my root Tk object to get it to refresh after
I put t
In article ,
illusiontechniq...@gmail.com says...
[snip]
> If you want to pass arguments to a command called when a button is
> clicked, you have to use 'lambda' in tkinter.
Thanks. I just skimmed over lambda before now...
> You can't expect a delay to happen during the mainloop() of the
> pr
>> def process(): # Ordinarily this would be process(photo,wdth,hgt)
>>global wdth # but I ran into problems calling it from a button
If you want to pass arguments to a command called when a button is
clicked, you have to use 'lambda' in tkinter.
>>global hgt #command with parameters...
>
On 10/20/2015 3:05 PM, Randy Day wrote:
I'm writing a simple image manipulation
on a PhotoImage (tkinter), and running
into an odd problem. The code below works,
except for one thing:
As the image is scanned, I'd like to
observe the pixels getting inverted on
the image (as a kind of progress bar
I'm writing a simple image manipulation
on a PhotoImage (tkinter), and running
into an odd problem. The code below works,
except for one thing:
As the image is scanned, I'd like to
observe the pixels getting inverted on
the image (as a kind of progress bar).
What happens is that the code run
