[Interest] What is the difference.

[Thiago Macieira]

On Monday 22 September 2014 11:25:11 william.crocker at analog.com wrote:
> > It creates a QApplication, which enables a bunch of backend things,
> > without
> > also connecting to the display server.
> 
> When my normally-GUI application is run "off-line"
> (to create plot images in files as opposed to drawing
> them on the screen) I found that I had to use the
> second option.
> 
> I do not remember the specifics... might have had something
> to do with fontconfig or the use of the QImage class.

Right, that would be part of the "bunch of backend things" I referred to :-)

> 
> > Note that this constructor is removed in Qt 5.
> 
> Is that another reason why I can never use Qt 5?

That depends. Do those things work in Qt 5 with a regular QCoreApplication?

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center