[vtkusers] Re: Using QTPainter with QVTKWidget

[Anja Ende]

Got it!

For anyone running into same problems, override as follows:

QPaintEngine* MyDerivedWidget::paintEngine() const
 {
            return QWidget::paintEngine();
 }

On 16/10/06, Anja Ende <anja.ende at googlemail.com> wrote:
>
> Looks like I must construct my own paint engine. The QVTKWidget
> implementation is:
>
> QPaintEngine* QVTKWidget::paintEngine() const
> {
>   return NULL;
> }
>
> Does anyone know how this could be created efficiently?
>
> Cheers,
> Anja
>
> On 16/10/06, Anja Ende <anja.ende at googlemail.com> wrote:
> >
> > Hi everyone,
> >
> > Has anyone been able to successfully use QPainter methods in QVTKWidget.
> >
> > So, I have derived a class from QVTKWidget and override the paintEvent
> > method as follows:
> >
> > void QTVTKWidget::paintEvent( QPaintEvent * event)
> > {
> >             QVTKWidget::paintEvent(event);
> >             QPainter painter(this);
> >             ....
> > }
> >
> > This however,  returns a run time error as in it could not create the
> > painter object. The error is:
> >
> > Painter::begin(), paintdevice returned engine == 0, type: 1
> >
> > Just wondering if someone has been able to use this successfully.
> >
> >
> > Cheers,
> >
> > Anja
>
>
>
>
> --
> Cheers,
>
> Anja




-- 
Cheers,

Anja
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