best GUI library for vector drawing program

[chewie54]

On Aug 17, 9:27 am, chewie54 <dfabrizi... at gmail.com> wrote:
> Hello,
>
> What would be the best cross-platform GUI library to use for a vector
> based CAD program ( something like Visio on Windows )   WxWidgets,
> Tk,   PyQt,  Java Swing,  Java SWT,????   I need the capibility to
> draw and edit in a window that looks like a page of paper so WYSIWYG
> is very important,  and I need to save the drawings in vector based
> file formats like PS, EPS,  SVG, as well as image formats like jpg,
> png, and gif.  Also, the images need to be high resolution so that
> they can be pasted into various other programs in Windows OS,  and
> Linux OS,  and the Mac OS.
>
> Thanks in advance,
> Dan

Also,  I forgot to mention that it must have scripting capabilities so
and I would like to embed a Tcl or Python interpreter.