----- Original Message -----
> From: Martin Peach <[email protected]>
> To: Jonathan Wilkes <[email protected]>
> Cc: András Murányi <[email protected]>; pd-list <[email protected]>
> Sent: Friday, August 26, 2011 2:30 PM
> Subject: Re: [PD] [PD-dev] tkwidgets
>
> On 2011-08-26 11:31, Jonathan Wilkes wrote:
>> It might be a good idea to list the problems with tcl/tk so we can weigh
>> them against the difficulty of using a different GUI toolkit. The
>> problems I see are:
>> * difficult to implement a decent zoom function for a canvas
>> * can't display png without the Img library (included in 8.6)
>> * can't do alpha transparency
>>
>> Of the three I listed, I'm mostly interested in the first as it means
>> that (without prior planning) it's hard to take a patch you've been
>> working on at font size 10 and display it adequately over a projector,
>> for example. (If there's a work around I'd like to know it.)
>>
>> I'd like to hear others, but I'm mostly interested in problems with
>> tcl/tk >= 8.5 as the GUI.
>>
>
> * Because tcl/tk is an interpreted language it is a lot slower than a
> compiled
> language: you have a script in ASCII that has to go through a processor that
> interprets the script to call a lower-level machine that actually does the
> work,
> while Qt is compiled so it does what you ask it directly, more or less.
If there are any GUI developers out there, I'd love to see a few comparisons
between tk canvas and Qt graphics view-- say, moving a large number of
rectangles with the mouse, or creating/destroying a bunch of polygons, and
looking
at memory/cpu usage.
-Jonathan
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